/VV*. v- P. A/V
APPINES (18-28 MARCH 1976) — RESULTS OF THE MUSORSTOM EXPEDITIONS. 1 — PHILIPPINES (18-28 MARCH 1976) — RESULTS OF THE
1 CRUSTACEA LIBRARY SMITHSONIAN INST. RETURN TO W-119 9 Decapod Crustacea : Alpheidae
Albert II. ;i nd Doni M. BAIN IN hlR*
A IiSTHA('.'I'
Dredgings made btj lite MI SOBSTOM L.rpedilion off Lubang Island. near Manila, Philijtpine Island*, and one dredging near Manila harbor produced 19 species of alpheid shrimp, all of which were either new to science or new records for Ihe I'hilippine Islands. The new genus and the new species are: Nennalpheus inarticuiatus gen. and sp. nor., Alpheus coinpressus s[>. nor., Alpheus foresti sp. nor. The new records are: Synalpheus albatrossi (1ouliere, S. <>Tacilirostris De Man, S. stiinpsonii (be Man), S. Iriaeanlhus be Man, S. trispinosus be Man; Alpheus acutocarinat us be Man, A. canaliculatus Banner and Manner, A. (list in^uendus De Man, A. hailstonei (Umliere, A. macroskeles AI cock and Anderson. A. malabaricus leptopus be Man. A. nonaller Kcnsleij, A. paraden- t ipes ("ouliere. A. proseuchirus De Man, A. puslulosus Manner and Banner and A. spatulatus Banner and Banner.
HKSTM K
Les chalulages effeclues au cours de la campagne M ( SO BS'I'OM, princijxilemenl an large del'ile Lubang, an siid-ouesl de la baie de Manille, iles Philippines, mil fourni I'd especes de crevelles alpheides qui, loules, sonl nou- velles pour la science ou pour les Philippines. L'une des especes nouvelles apparlienl d tin notiveau genre. Les formes nouvelles soitl: Nennalpheus inarticuiatus gen. el sp. nor., Alpheus rompressus sp. nor. el Alpheus foresti sp>. nor. Les especes signalees pour la premiere fois de la region sonl: Synalpheus albatrossi (Jouliere. S. ^racilirostris De Man. S. stiinpsonii (De Matt). S. t riacanthus De Mint. S. trispinosus De Man: Alpheus aeutocarinatus De Man, A. canaticulatus Baitner el Banner. A. (list in^uendus De Man, A. hailstonei Couliere. A. macroskeles Alcock el Anderson, A. malabaricus leptopus De Man, A. nonaller Kensleg, A. paradentipes ( t % H llairaii Institute of Marine Hiolot/ij, t nircrsihj of lluirnii, Honolulu, Ihuraii, I .S.A. JIlMJi contribution number 501. 21 Tlie MUSORSTOM Kxpedilion carried »m on each station are o-iven elsewhere in this volume. (lred^in List of Stations SI a I ion I. 1 8.3.7(1, 11"2S,0'N, 120" 12,0' K, 3(1 in: Station -2."). -2-2.3.7(1, U"()'2.7'N. I 20" -20.3' E, 20(1 in: Alpheus aciilncarinalus De Man, Alpheus ihsliiuiuenilus De Man, X ennui/iheus i ntuiiculalus sp. nov ., Sipialpheus Iriacanlhus Do, Alplieus malaharicus le/iln/ius De Man. Man, Al/ilieus foresti sp. now, Alpheus macrnsheles Alcock anil Andorson. SI al ion 2. 10..3.7(1, 11" 02,8'N, KM)" 18,8' K. 187 in: St/nal/iheus Iriacanlhus De Man. Station 2(1. 22.3.7(1, I 1" ()(l,(.)' N, 120" 1(1,8' I-:, 189 in: ( Sijnal/ilieus Iriacanlhus Do Man. Station 5. I .)..3.7(i, I t" 01,5' \. 120" 23,5' E, 215 in: Si/nul/)heus Iriacanlhus Do Man. Station 27. 22.3.7(1, 1 3" 59,8' N. 120" 18,(1' I-:, 192 in: Alpheus cnm/iressus sp. nov. Station 7. I<>.3.7(1, I 1° 1)1,()' N, 120" 2( 1,0' K, -20(1 in: Al/iheus furesli sp. now Station .30. 22.3.7(1, 11"(II,3'N, 120" 18.7' E. 18(1 in: Alplieus ctunpressus sp. now, Alpheus furesli sp. nov. Station 19.3.7(1, 11"01.8'N, 1 -20" 17,1')' K, 1 '.It in: Si/nal/)heus Iriacanlhus l)e Man, Al/iheus furrsli sp. now, Station 31. 22.3.7(1, 11"00,0'N, 120" I (1,0' E, 187 in: Alplieus nnnaller Konsloy. Alpheus furesli sp. now Station 10. 1<).3.7(1, 1 3" 5<),8' N, 1 -20" IS,-2' K, 187 in: Station 32. 23.3.7(1, 11" 02,2' N. 120" I 7,7' E. 103 in: Si/nal/iheus Iriacanlhus I >e Man, Alplieus furesli, sp. nov. Alpheus Iriacanlhus Do Man, Alpheus furesli sp. now Station It. 20.3.7(1, 150.8' N, 120" 23,7 K, -2:50 in: Station 3r>. 23.3.7(1, 13"59,0'N, 120" 18,5' E, 18(1 in: Sijualpheus Iriacanlhus De Man. Alpheus canaliciilalus Banner and Banner, At pheus nnnaller Konsloy. Station 11. 20.3.7(1, I t" 00,2' N, 1 -20" 1 7,"2' E. 101) m: Alpheus nuicmskeles Alcock and Anderson. Station 3(1. 23.3.7(1, 11"(I1,2'N, 120° 20,2' E, 210 in: Alpheus nnnaller Konsloy. Station IS. '21 ..3.7(1, 13" 5(1,3' N, I 20" I (1,2' E, 150 in: Sijnaljiheus albalrnssi Couliere, Sijualpheus nenmeris 'Do Man', Station 50. 2.").3.7(1, 1 3" I'.),2' N. I 20" 01,8' I-:. 115 in: Synat/iheus slinipsiiuii (Do Main, Si/nal/ilieus Iriacanlhus Do Al/iheus macmskeles Alcock and Andorson. Man. Station .">1. 25.3.7(1, I 3" 1!), I' N. I 20" 0 1,2' K, 200 in: Station -20. -21.3.7(1, 13" 59,2' N, I-2(1°-20,3' I-:, 20S in: Alpheus furesli sp. nov. Nennal/ilieus inarliculalus sp. now, Alpheus nnnaller Kensley. Station 5(1. 2(1.3.7(1, 1.3"53,1'N, 120" 08,9' E, 131 in: Station -21. -21.3.7G, 14" 01,0' N, 1 "20" 22,8' K, -2'23 ni: Sijualpheus nenmeris (Do Man., Sijnal/ilieus Irispinnsus Do Man, Sijualpheus Iriacanlhus Do Man. Al/)heus ;>mseuchirus Do Man, Alpheus /iiislulnsus Banner and Banner. Station -21. -2-2,3.7(1, I t" 00,1)' N, I -20" 18,0' E, 18!) in: Sijualpheus Iriacanlhus Do Man, Alpheus fnresli sp. nov., Station 57. 2(1.3.7(1, I3"53,1'N, 120" 13,2' K, 107 m: Alpheus nnnaller Konsloy. Sijnal/ilieus nenmeris Do Man,, Al/iheus [imseuchirus Do Man. : 1 j When we remarked in onr recenl paper that Al/ilien/isis sliearniii i Alcock and Andorson , colteoloil al 130 fathoms was tlit- «deepest record for any alpheid,» [B<.VB, 1977: 209 , wo had overlooked BATK'S report of Al/iheus anarus Kabricius "from off Japan; deptti 2.67F) fathoms; bottom, 1 >1 tic mud;" HATH, 1888: 5 11 . The specimen BATH SO determined was deft-olive, hut the other specimens tie recognized as .1. avarus may have been .1. slrenuus Dana. In any case, he considered I he ureal depth al which the specimen was collected and slated Hit; record was "probably due lo some accidental circumstance" \n/>. cil. p. 531) . Wo agree and suggest the questionable depth record of the species with questionable identification be hereafter ignored. 1) K('. A l'( > I) C.K I STA('. K A : A 1. 1>H K 11) A K Station no. 27..1.7C), II" I)(>,(>' N, 120° Is,-,'/ 1-;, m: Station 72. -2S.:5.7r», 1I<>11,S'N. 1 -21)" "28,7' E, 127 in: Alpheus hailstonei Goutiere. Alj)heus prosruchirus tie Man, Alpheus sjxtlulalus Banner and 15a N HIT. Station (it. 27.3.7B, IT" (K>,T»' N, 120" IH,:5' E, l'.M in: Sijnaljiheus albatrossi (lout iere. Station 7.'5. "2S.76, I t" 15,0' X, 1'20° 31 ,'2' E, 76 in: Alpheus proseuchirus De Man. Station 71. -28.H.76, I t° (ID,3' N, 1 -2«><» "26,"2' E. 171 in: Alpheus coinpressus sp. nov. Locality indeterniinee : Alpheus paradenlipes Goutiere. SYSTEMATIC ACCOUNT Nennalpheus gen. nov. fused. Note: It may be possible that the chelipeds undergo marked changes with growth, similar to some species of Alhanas: see discussion under A. DIAGNOSIS iiuirliculalus, below. j Ceneral body form as usual for members of I lie Carpus of second legs of live articles with the first family. Host rum triangular, acute and short, dors- article longer than sum of remaining four. ally rounded and without, carina. Without orbital Third leg slender, with ischium bearing several hoods, with or without flattened orbital for supra- st rong spines; merus and carpus slender and unarmed; corneal) teeth. Pferygostomial margin rounded and propodus bearing setae to slender spines; dactylus not protruding. Fyes well developed, visible at least long, somewhat, curved, simple. in part in lateral view, concealed (or partially Second pleopods of males bearing appendix concealed?) in dorsal view. Orbitorost ral process nuiseulinu as in Alpheus: otherwise pleopods of males lacking. and females of similar size and development. Pleura of abdominal segments of similar size and develop- Anlennular peduncle relatively large. stylocerite ment in both sexes, with first, four rounded, fifth with lateral tooth well developed; outer Hagellum with posterior margin slight ly projected and subacute. with base of several distinct articles, a setiferous Posterior margin of sixth abdominal segment lafero- lobe and the usual flagellar portion. Scaphocerite \cut rally eit her projecting int o a t riangular articul- normal with tooth and squamous portion well ated pleuron or lappet, or a small truncate process. developed: carpocerile long: basicerile wil h infero- Telson slender, with dorsal and post ero-lateral lateral projecting tooth !l). spines well developed; lip convex but not greatly Moulhparls similar lo those found in Alpheus. produced; lacking in anal tubercles, t ropods normal. First pair of chelipeds symmetrical, with chelae Branchial formula as in Alpheus: ,"> pleurobranchs, enlarged and carried extended; chela proper carried 1 art hrobranch. S epipodites with mast igobranchs in inverted position, with dactylus lying on sagittal 011 bases from third niaxilliped to fourth pereiopod, plane of body but inferior lo palm and pollex. Hot h setobranchs from first lo fifth pereiopods. lingers bearing rounded and exactly lifting teeth in proximal half; dactylus with slight but hardened TYPE SPECIES rounded ridge or crest distal to teeth fitting into shallow but well-defined groove 011 pollex; disfally Alpheopsis sibogae I )e Man (11)10: 307; 1911: 181. lingers acutely hooked and crossing. Palm sub- pi. :>, fig. IS). cylindrical in section. Proximoinferior margin of palm II was our original intent to use A . inurliculalus, produced into small ''heel" or knob to make carpo- described below, as the type species for this genus, propodal articulation. Carpus not cyat Inform but in but when we included BK MAN'S species in this lateral view of a rounded sub-rectangular shape genus we decided it would be belter lo use a species lying at angle to merus, with carpo-propodal articul- wil h an intact holot ype as represent at ive of t he genus. ation in inferior third of distal margin, merocarpal Further reinforcing that decision was the later articulation in superior half of proximal margin: discovery of a second specimen of A. sibogae in the with distal margins extended into acute or rounded collection of I:niversit et ets Zoologiske Museum, Hat teeth. Merus triangular in section, somewhat Copenhagen, Denmark. We were able to examine twisted; ishiomeral articulation apparently not fully l)i: MAN' sole specimen, a 1(> 111111 male, through the I: De Man, 1910, 1911, staled tor Alpheojisis sihoi/ae now .V ennui pheus,. that Hie basieerite was unarmed; a reexamination of his hololvpe showed thai there is an acute, angular project ion similar lo A', inarticuiatus see la. 220 A 1, 111'.liT II. AM) DOHA ,\1. MAN N K K court esy of Dr. Sjouk PINKSTKK of I lie Zoologisch the genus, such as exposed carneas. Arelopsis Museum, Amsterdam; if was collected at 70 m in amabilis De Man also carries the lingers on both Sapeli Strait, Indonesia. The Danish specimen is a chelae in an inverted position, but they are without lf> mm female (carrying what appears to he two I.he ridge and groove and are asymmetrical in immature eggs) from Lombok Straits, slightly over development (B. A: B. Ausf. Ill): this genus is ,">00 km west of the type location (Galalhea Station characterized by the ventral keel on the rostrum. 4N3, 8" If/ S, 11 r>» IT/'K, 12/(J/r>l). Like the holotype. Almost all members of the genus Helueus Stimpson 1 he female specimen is in good condit ion with symme- carry llieir lingers inverted, with chelae carried trical first chelipeds carried extended: I,he differences extended and of slight asymmetry, but they lack between it and the holotype are slight and only in the t he ridge and groove of A ennuipiheus; probably more proportions: the chelae are .r>.S rather than .">.2 times important, none of these species have a distinct as long as broad, and the meri of the third legs are rostrum. 12.2 rather than 10.f> times as long as broad. These Anot.her point of comparison might, be the adhes- differences in proportion may be sexual, or may be ive plaques which serve to hold the dactylus in the merely within the range of normal variation. open position. A mphibelueus has already been contrasted; the other genera are Alpheus Fabricius, DISCUSSION Melulpheus Coutiere, Hucilius Paulson and possiblv I 'oinognulhus Chace (for the last genus the presence In most characteristics this genus shows close or absence of the plaques was not mentioned in the relationship lo the genus Alpheopsis Coutiere. The description). All four of these genera usually have two genera are similar in body form, in branchial the well-developed plunger and socket, on the basal formula, in the development of the anterior portion portions of the fingers and all save Hucilius have of the carapace and t he coverage of I he eyes ( the eyes well-developed orbital hoods. In Hucilius the swollen are more exposed in A. inurlicululus but that is orbital hoods are lacking but the single species in the probably due to injuries suffered in the trawl), and genus is characterized by extreme lateral compress- in all appendages save the first cheliped. While the ion. chelae are different in morphology, in both genera The two species placed in .\etuuilpheus have large they are carried extended, not folded back under the chelipeds thai are almost identical (for a possible cephalot liorax. small cheliped, see under .V. inurlicululus, below). It is the form of the chelipeds thai separates this The only difference between the two species lies in genus from all others, particularly in combination the ridge or crest on I lie dactylus and the correspond- with other characteristics. The almost rectangular ing groove on t he propodal linger w hich an; slight Iv form of the carpus is unique within the family. In bet I er developed in A . sibogue t han in A'', inurlicululus. the form of the chela, this genus is closest to Arnphi- A. sibogue, however, bears strong and definite belaeus Coutiere which also bears a low rounded corneal teeth, no trace of which are found in A. ridge in the distal portion of the dactylus that fits inurlicululus. Most important, however, are the into a corresponding cavity on the pollex. and carries presence of articulated pleura in A. sibogue, with adhesive plaques on the opposing palmar and digital both known specimens showing a line of articulation surfaces. In Arnphibelueus the more proximal portion between I he triangular lappet and the exoskeleton of the dactylus bears only one rounded tooth instead of the (>t h abdominal somite (fig. 1 s); in A. urli- of serrate teeth: more important, however, is that cululus, on the other hand, the posterolateral margin the chelae are carried folded back under I he body and of I lie (it h abdominal somite prot rudes in all four show extreme asymmetry (see COITIKHK, 1S(.M), specimens as a flattened lobe with two low and figs. 217-218). Arnphibelueus also lacks a distinct slight cusps on its margin and without a trace of an rostrum, similar to llelueus. articulation (fig. 1 g). We realize that the presence or absence of articulated pleura is usually considered Some species in three genera carry their chelae as a charact erist ic const ant within a genus; YAI.DWYN in an inverted position with the propodal finger has separated Heleopsis from Helueus solely upon uppermost., at least when extended, as does Aennul- this characteristic. However, we believe that the pheus. Three species in Alhunus. .1. borruduilei presence of almost identical chelipeds on the two (Coutiere). .1. verrucosus Banner and .1. poltjnesicu species far out weights the presence or absence of Banner & Banner, would have the dactylus in a articulations on these pleura To us it is far easier lo somewhat inverted position were the chelae extended: conceive of the evolut ionary loss of a slight flexibilit y in these the fingers lack the low ridge and correspond- in these lappets as accorded by the feeble articulation ing cavity, the palms are, expanded and flattened, than if is for the parallel but separate evolution of and the carpus is elongate and expanded to accom- the unique chela and its even more strange carpus. modate the flexure of the appendage: in addition, of course, the species have the oilier characteristics of This new genus permits further speculation on I>!•",(.AIM)D cm sR\CI:A : \i.rm:iDAK the evolution of the plunger and socket, of the large ly in reference to anterior carapace. Host rum acute, * chela as is found in the live "higher genera-' of I lie without dorsal carina, as long as broad at base, family: Alpheus, Melalpheus, Hacilius, Signal pheus reaching proximal end of first, antennular article. Hate and I'omagiudhus Ghace. In the "lower genera" Anterior margin gradually rounded, without teeth. » ot her t han Amphihelueus and A ennalpheus t he fingers Corneas and ant eromedial lobes more than half are either without armature or have relatively exposed dorsally, with greater exposure when viewed simple teeth. The low rounded ridge of the dactylus laterally. Second antennular article 1.2 times as and corresponding groove of the pollex found here long as visible pari of first, 2.5 times length of and in Arnphibelaeus, both located distal lo I he third and 2.8 times as long as broad: superior middle of the lingers, with the more primitive proxim- margin of first article projecting distally. and al teeth found in Xentudpheus, are unlike the inferior margin bearing forward-sweeping plum- armature found in other lower genera. The adhesive ose setae. Distal margins of all antennular articles plaques found in these two lower genera and all of minutely serrate and beset with some fine setae, the higher genera (save Sjjnalpheus and possibly more setae dislallv on first article than on distal two. J'omagnalhus) permit t he heavy muscles of I he palm Basal portion of outer Hagellum of <> articles, first lo strain before the plaques release, pernietting the article 2.5 times longer than second, other 5 articles violent closure of the fingers. If would lake little nearly equal, inner branch short, setiferous but evolution to move this crest and groove proximally. without visible articulations. Stylocerite with acute in the process losing the proximal serrate teeth, to a lip turned lightly outward and reaching to end of low crest and elongate groove such as found in first antennular article. Scaphocerif e with outer Alpheus chiragricus M ilne-Kdwards or A. dislin- margin straight, squamous portion broad, reaching guendus I)e Man. this, then, could easily evolve lo middle of third antennular article, lateral tooth into the semi-cylindrical plunger and deep socket slightly longer. Carpocerite slender, reaching past as found in many other species such as ,1. pacificus antennules by length of third antennular article, Dana. Goi TIKKK. in his monograph (1891): 350) hasicerile with short acute lateral tooth. has placed the genus Alpheopsis as representing the Mouthparfs as usual for family. Hatio of articles slock of Alpheus; the development in A• ennal pheus of third maxilliped beginning with base 10:3:5. of the crest, groove and adhesive plaques is another Proximal article llaltened. ribbon-like in midsection. step along the line. We are not suggesting that either A mphibelaeus. wit h its large chela carried in a flexed Chelipeds lacking on holotype and allotype; condition, or A eniuil pheus, will) its inverted chela description based upon two chelipeds found loose and strange carpus, represent the direct evolutionary in jar with paratvpes (see discussion below). Large line towards Alpheus, but rather thai they are chela carried extended with dactylus in inverted derived from some early stem-form that was to give positions, as in lielueus (in the description below, all rise to Alpheus. directions are given as Hie chela is actually carried, not as il "should be carried"). Chela slender and Hecause we postulate this genus is derived from elongate, 5.2 times as long as broad with fingers the stem-form of Alpheus. but certainly not. in the occupying distal 0.4. Palm subcylindrical and of direct line, we have applied I he Greek word nenuos. rather soft chit in. with a possible light, ill-define uncle, as a prefix to Alpheus. the name of a Greek depression on lower portion of lateral face, running river and a Greek god. from near carpal articulation to base of pollex (this may be an artifact from the soft chit in). Dactylus highly compressed and carinafe, proximally bearing a well-developed adhesive plaque and corresponding Nennalpheus inarticuiatus sp. nov. (tig. 1) lo plaque on distal shoulder of palm; oppositional face bearing in proximal half 1 strong but rounded Hololvpe: 30 mm male from MI S( )BST< )M si, 20. teeth and 2 less well-developed teeth that inlermesh 27.3.7(3. 13° 59,2' 120" 20.3,' K. 208-222 m. with similar Leet h on pollex: next, third of dactylus Allotype: 31 mm ovigerous female from same station slightly swollen with oppositional margin slightly as holotype. convex in profile, fitfing info slightly concave Paratvpes: 29 mm ovigerous female, and 30 mm male hardened portion on pollex; distal to Ibis both from MtSOBSTOM. SI. 25. 22.3.7f>. 1 1" 02.7' N. fingers bearing concave cutting edges and terminat- 120° 20,3' K, 191-200 m. ing in strongly hooked tips that cross. Palm proxim- ally projected at inferior side into almost cylindrical knob lo make articulation with carpus; middle of % DESCRIPTION proximal surface of palm slightly concave. Carpus „ Specimen torn, and with eves and bases of not cyat Inform, sub-quadrangular in lateral view, antennules and antennae probably displaced anterior- but with concave superior and convex inferior AIJ'.i:iVI' H. AM) DOHA M. HANMvl! Kig. 1 a-r. Xennal/iheus inarliculalus sp. now, holotype, male .']() mm, SI. •20. a. b, -Anterior region lateral and dorsal view; c. third rnaxilliped, lateral face; d, large cheliped, lateral face 'chela loose in the vial St. 25}; e, merus, large cheliped, inferior face; f, g. distal end of large chela, lateral and inferior face, enlarged, h, i, carpus of large - cheliped, medial and inferolateral face; j, small chela, lateral face (chela loose in the vial St. 25 ; k, distal region of small chela, enlarged lateral face; 1, second leg; m. third leg; n, fourth leg; o, p, fifth leg and enlarged propodus; q, sixth abdominal somite: r, telson and uropods. Kig. I s. Holotype of .\ennal pheus siba/pie l)e Man), 1 C> mm: Posterior region of abdomen showing articulated sixth abdominal pleura, a, b, c, f. g, h. i, k, p. q, r, S, scale a; d, e. j, 1, m, n, 0, scale b. [)i:cAPOD r.iu ST\< .!•; \ : \i.ni !•:11)A!•: 223 surfaces, about twice as long as broad and lying al in both sexes. One would presume the same sym- nearly a right angle lo merus. Carpopropodal articul- metry would ohlain in Ibis species as well; onllie ation evidently providing for su peioin ferior Hexion, basis of I his presumption, we have established the with dislosuperior surface of carpus somewhat presence of symmetrical chelipeds as a criterion concave to receive rounded end of palm when chela for the genus. If it be so. however. I hen I he small is herd upward. Distal margins of carpus extended cheliped in I lie vial must be from some oilier shrimp as several Hat. projections: that on infero-lal eral thai was losl in I lie dredge haul, and if il were from margin as rounded lobe, that on midsuperior surface an alpheid. if might, well be from some species of the as broad but acute toot h, and I hose on medial sides genus Alhauas. In the vial for Station 25 were these as rounded looth above and rounded shoulder below. I wo broken specimens, and one specimen each of Iscliiomerus with art iculal ion between articles wil h Alpheus macroskeles Alcock and Anderson and al most only slight capabilities for Hexion; about a Sipxilpheus Iriacanllius De Man, neither of quarter as long and a third as broad as chela itself. which could have carried such a small chela, Iliree times as long as broad dislally. with inferior and no trace of any other specimen. In fact, in margin flattened, superior margin rounded, some- the entire MISOBSTOM collect ions that were given what narrowed and slighlly twisted proximal lo lo us there were no specimens which would be middle when viewed from superior or inferior aspect. expecled lo bear Ibis type of cheliped. Small chela in vial similar to that of female of Thus, there is a possibility that the small cheliped Alhauas dimorpluis Orlmann. Balio of articles of may have come from one of the two specimens of small cheliped beginning with ischium and termin- A. inarliculalus. It should be recalled I hat in atina- with the chela as: 10:20:28:20. Palm 2.('» limes Alhauas il is nol uncommon for bolli sexes lo have as long as broad. 1.15 limes as long as lingers: tip of sma 11 and ra llier prinnifivel y developed symmetrical dactylus broken; lip of pollex slighlly curved, acule. cheli peds wii ile voung . then lo develop asymmetrical Merus 7. I limes as long as broad, all articles bearing clieli peds, an d finally' 1o develop massive symmetrical scattered fine setae. cheli [teds wl len fully mat ure (see B. A: B., 1900, Ratio of articles of second leg: 10:2.0:1.2:1.5:2.2. espei •iallv ligore s 2. 3) . Ct, and B. A; B.. 1973,. figures Thoracic legs slender. Ischium of I bird leg O.O ;is (') am( 1 9).' Th<'refor e il is possible, but not likely, that long as merus and bearing 3 strong spines on infero- this cheliped is from these specimens and that this lal eral surface. Merus 9 times as long as broad, species may pass through a series of markedly inermous. Carpus 0.5 as long as merus. supero- different slages in chela development. distal margin slighlly projected. Propodus 0.(> as The separation between this species and A. sibogae long as merus. bearing on ils inferior margin a few is discussed under I he genus. The name refers lo I he hairs and a pair of thin spines dislally. Dactylus lack of an articulation al the base of the postero- simple, 0.3 as long as propodus. Fourth and fifth lateral exl ensions of the margins of the sixth abdo- legs similar except ischium of lifth legs bearing only minal segment. 2 spines and propodus bearing usual brush of setae. The type series will be deposited in the collections Pleura of sixth abdominal segment, not articul- of I lie Museum National d'llisfoire Xafurelle. Paris. ated. Telson <> times as long as posterior margin is broad. Dorsal spines large, dislal pair placed anterior lo middle. Inner spine of posterolateral pair strong, almost as long as tip is broad. 3 times as long as oulcr. Outer uropod willi dislal arl iculal ion. Synalpheus Hale Synalpheus albatrossi Goutiere DISCUSSION Si/nal/ilicus al litilrn.ssi (:<>ul irn\ I'M)'.): Si), 51; R.\MM-;H, .None of the four specimens in I he type series are l(.ir>.H: .'ill, liir. l r, \ MIL: 111 II. AM) DOHA M. IIAWKII Synalpheus gracilirostris De Man REMARKS Sipmlplieus i/riiciliruslris De Man, 1910: 291; I'M I: 2<>9, This species is very similar lo »X'. Irispinosns l)e, lig. I!); I $ AN MAT and UANNKH. 1975: 372, lig. 20. Man. II differs by t he dact ylus of I lie large chela not overhanging the propodus. by a more slender small chela, being i).r> instead of 2.T> t imes as long as broad, MATERIAL and by the lack of numerous spines on the meri of • > specimens from S!. .">7. llie I bird and fourth legs. The only record of this species is I hat of De Man from I lie Fast Timor Sea. Indonesia, lie found it in association with a specimen Synalpheus neomeris (I )e Man of I lie gorgonian. Solawcaiilon sp. from 112 in. Tlii< therefore constitutes a new depth record. Alpheus nenmeris De Man, IS97: 73 1; IS1,IS. pi. 35, ligs. (>l a, d. e. Sipmlplieus neomeris. Cot rn.ui:, 19(15: S('i9, pi. 70, lig. I; Synalpheus trispinosus De Man (ligs. 2a-cj I)K MAN. 1911: 212, fig. 2-1; BAWKII and UANNKH. 1975: 357, tig. 22 >IT [or cotnplclc synotiyiny . Sipuil pheus Irispinosus De Man. 1910: 301); 1911: 2SS, lig. 5s. MATERIAL MATERIAL 2 specimens I'rom SI. IS; 1. SI. .">(>; 2. SI. T»7. 1 specimen from SI. .")(>. REMARKS 'Phis species has been collected commonly in REMARKS association with a leyona ria ns. II is known I'rom This sole specimen of Iris/iinnsus agrees well the Western Pacific and Indian Ocean to the Med with DK M\N'S original description except in two Sea. Previously it has been reported to extend from characteristics: First, I he large chela bears I wo teeth the intertidal to 1211 in. so this constitutes a new above I he daclylar articulation, while DK MAN depl h record. described, his specimens as having "a large, conical. I hough obi use tooth or tubercle thai is directed obliquely upward...'" 1'he collections made by I he Synalpheus stimpsonii (De Man] llong Kong Fisheries Station in the South China Sea. presently available to us PANNKH and I! \ \ NI i:. Alpheus slimpsonii l)O Man. ISSN; 513. pi. 22. lig. 3. 1 070: 2 17). have ton r specimens I ha I we have itlen I i- Sipmlplieus slimpsonii Maimer and Manner, I9(i(>: Hi, tig. 12; lied as I his species; of these, three have I lie single 1975: 292, ligs. 2 in, I see for complete synonymy . tooth, but I he fourth, otherwise identical, has I wo teeth. We therefore attach no significance lo I lie MATERIAL variation. Second. DK MAN described and ligured the lelsoti as haying I lie post ero-la I era I teeth extending 2 specimens from SI. IN. furl her posl eriorly I ha n I he con vex post erior ma rgin. in I his specimen t he I eel li are slight ly short er than I lie REMARKS convexity. This also we believe lo be a variation. This species is often associated coinmensaIly with Finally, DK M AN did not remark upon I he form of I lie crinoids, but does not appear to be an obligate dad ylus of I he large chela: here I lie superior margin of commensal. This collection extends the depth record I he dad ylus is markedly convex, almost semicircular, from the previously reported maximum of l.r> in. somewhat convex on I he inferior or opposilive sur- face. and I hickened or swollen in I he middle. I ape ring towards the crest-like margins. The dactylus is remarkably similar lo I hose of N. jwscuilurcnsis Synalpheus triacanthus I )e Man Coutiere and N. t/uatlriarliciilalus I>. SI a. ()7 ;see lex'l ; e. f, small chela and merus, medial face. Fiu\ "J g, h. Alpheus pniseiiehirus l)e Man, male "J5 mm, SI. 73: small chela and merus, medial face. Fig. "J i. - Alpheus puslulosus Banner and lianner, hololvpe ili^li. HM>S; 113, fig. 'J : Ihird maxilliped, venlral view. a, b. C, d. e. !, i, scale a; g. h, scale b. Alpheus Kahricius known distribution includes Indonesia. Gulf of Thai- land and in Auslralia off southern Oueensland. Alpheus acutoearinatus Dc Man Alpheus aeulocuriualus l)e Man, liHl'la: KM; I'.Ul: 1(11, liu'. (.M. Alpheus eanalieulatus Banner and Banner HA\M;K anil IIWM.II. 1 '.><»(>: K'O. fig. 13; HANNKK IIIIII I > \ \ \ nt. Alpheus eanalieulalus Banner and Kanner, liltiS; 1 11, fig. 1. Auslralia 111 1 MATERIAL MATERIAL r f> sftecimcns from SI. 1. 2 specimens from SI. 3, ). REMARKS REMARKS These specimens were collected from 31 in and This species was previously known from the l)i: MAN had specimens from as deep as 72 in. lis hololvpe which was collected between northern .1) 15 \ NM H and BANNKK, Auslralia III, or HAIi, Auslralia III, refers lo the Alpheid Shrimp of Auslralia, Part III, now in press - see. bibliography. 22G AU'.KKT II. AND DOHA \I. I'.ANNKU Fig. 3 a - < |. Alplieus cuni/tressus sp. now, hololype, female IT> mm, SI. .37: a. b, anlerior region, dorsal and laleral view; C, lliird t inaxilliped; d, e, large chela, medial face: dislal end enlarged, superomedial face; f. merns, medial face; g. su peroi I isl a I view of nienis, enlarged; h, i, small chela laleral and medial face; j, tiierus and carpus, laleral face; k, morns, medial face; 1, dislal porlion of morns « enlarged, laleral face; m. dislal port ion of carpus, enlarged, superior face; n. second leg; o. p. I hird leg w iI h ])ropodns and dacl ylus enlarged; q, lelson and uropods. Fig. 3 r. I'aratype, female .">."> mm from C.SM SI. (11: anlei'ior region of carapace, dorsal view. a. b, C, d, f, h, i. j, k, n, 0, q, r, scale a; e. g, 1, m, p. scale h. i>I;<.AIM)I) cist STACK V : M.IMIKID\I: Luzon and Hong Kong (20° N, 115"F). at 250 in, scattered line selae. Daclylus heavy, compressed, somewhat deeper than this specimen. rounded at lip; opposifive face broadening proxim- ally from lip and entirely conlluenl with plunger (except when seen from su pero-medial aspect); plunger located O.Ct of length distal from articulation, Alpheus eompressus sp. now (tig. M) low. broad, demarked only proximally, with opposil- ive face somewhal excavate. Pollex with bluntly Holotype: 15 nun ovigerous female from St. 27, rounded lip. dislal [tori ion of opposifive face with 22.':;.7C>, Kl" N", 120° 1 Batio of articles of third maxilliped: 10:">.5:(>.5. Balio of carpal articles of second leg: 10:5:2:2:-!. Third article tapering with lip narrow but truncate, Sole walking leg loose in jar. presumed lo be third and bearing stiff bristles on medial face, lip with (see below). Ischium with strong spine. Merus long setae. inernious. 8.5 limes as long as broad. Carpus almost Hololvpe lacking large chela; description below 0.5 as long as merus. dislal margin only slighlly taken from parafype from SI. 71, a 10 mm ovigerous projected. Propodus 0.7 as long as merus; inferior female. Large chela somewhal compressed, without margin bearing 2 slighl spines (an additional 2 sculpturing. '5.7 times as long as broad, with lingers apparently broken off, possibly logelher with one at occupying dislal 0.">; daclylus lying al right angles lip) and scattered line setae. Dactylus spatulale. to median plane of body (descriplion given in terms slighlly excavale on inferior surface, 0.1! as long as of the "normal" position of the chela in other propodus. words the "superior" surface is actually lying Telson 1 limes as long as broad dislally; lateral laterally; Ibis is done lo avoid confusion in compar- margins anteriorly convex, posteriorly concave: isons to chelae carried in normal positions). Surface posterior margin rounded and projecting. Inner finely granular, with granules becoming minute, spine of post ero-lat eral pair almost 2 l imes as long forward-directed denlicles along inferior margin and as outer and reaching well beyond convexity of tip. onto lower parts of lateral face; inferior margin wil h Anterior pair of dorsal spines placed anterior to 228 AI.IiKUT H. AM) DOHA M. IIA.NNKH middle. Transverse articulation ol' outer uropod long lingers of the small chela, the spatulafe con- bearing a large tlap as well as a small scallop. dition of Ihe walking legs and the somewhat lingui- form telson. The lateral compression of the body and t he supression of orbito-rost ral grooves, here again DISCUSSION carried to extremes, are tendencies found in some The MUSOHSTOM parafype from St. :>0 carries species in the group. Fven Ihe likely habitat, soft an intact fourth leg and a third leg lacking the mud, is more commonly invaded by members of the propodus and dactylus. As the merus of the un- breviroslris Croup than other subgeneric groups. attached leg of the hololype has the same length- Of course, the orbital teeth found in the Cape St. breadth ratio as the third and is heavier than t he Mary specimen are otherwise unknown in Ihe fourth leg of the parafype (8.T) times as long as broad breviroslris Croup, the characteristics given above rather than 0.0) we have presumed the loose leg of will separate Ihe species from other members of the the holotype to be the third. The MUSOHSTOM group. parafype from St. 71 has only the large chela and The corneas of Ihe eyes are not large, and Ihe one fifth leg which is lacking distal articles. orbital hoods are present, but not inflated as in so The parafype from the Cape SI, Mary station many other members of the group. This lack of is wit hout chelipeds, but it agrees wit h I lie inflation and the high, thin rostrum has lead to Ihe MUSOHSTOM specimens in the markedly com- disappearance of the orbit o-rost ral grooves t lie pressed body and Hie large flap on the outer uropod steep sides of the rostrum merely curve lo the as well as Ihe armature and proportions of the flattened upper portion of the orbifals hoods which remaining appendages. However, this specimen then gently curve laterally to meet Ihe adjacent areas possesses 2 small orbital teeth which are lacking in of the carapace. the Mt'SORSTOM specimen. In .1. collumi large CHcli|XM 1 from I lie I niversil el et s Zoologiske lobe protrudes beyond margins of orhilal hoods to Museum. Copenhagen. Denmark; il was collected by varving degrees, lying dorsal to proximal portions of j the Danish Thai Lxpedilion. St. 11(>:>, 1/1 07 (11 m. stvlocerile. Second anlennular article 2.0 limes as west of flic Isthmus of Kra. peninsular Thailand, al long as broad, third antennular article 0. I as long as ' (.l" l-l' N, 9S<> 22' Lj. The specimen is quite second, inferior margin of antennules beset with similar lo I he specimens described and like the setiferous bristles. Stvlocerile with acule lip reaching Ml SOBSTOM specimen. lacks orhilal leelh. beyond end of lirsl anlennular article, inferior margins bearing seliferous brisl les. Scaphoceril e of asymmetrical development in holotype and of variable development in paralypic series; lateral Alpheus distinguendus De Man margin si raight, la I eral I ool h heavy, at times shorl er. al times longer. I ban squamous portion; squamous Al [ill ens ilislini/ucnflus l)e Man, I'.HHIIi: ir»r>, pl. 7, figs. 11-1 I; portion broad, al limes shorter or longer than HANNKK and SVAI.I.KY, 1 *»(>*); 17. fig. .'5. , Kor complete syno- ant ennular peduncle. nyniy sec BWNKR and I!.\NM:I!, Auslralia III . Balio of articles of third inaxilliped: 10:">. 1:5.7. MATERIAL Large chela highly compressed, almost times as long as broad, with lingers occupying dislal 0.)5 and 1 specimen from SI. 1: 7 specimens from I lie closing al almosl 90° lo vertical axis of body (des- Manila market. cription given in lernis of "normal" rolation of chela with I he daclvlus uppermost). Transverse groove or REMARKS saddle on superior margin of palm proximal lo These commercially I raw led specimens constitute daclylar articulalion reduced lo strong proximal the lirsl record of the species from I he Philippines; shoulder, dislal shoulder only a slight convexity. the species has been caught in prawn I raw Is al •><> in Bemnanf of transverse groove continuing as small in Australia. It has been reported from Japan. China. depression on lateral face thai turns and runs proxim- Singapore, Mergui Archipelago, and all parls of allv as heavy and broad but rounded groove lying tropical and subtropical Auslralia; it is possible thai parallel lo superior margin of palm; in proximal it s range is much grea I er f see I >. A: B., Auslralia III). third of palm groove broadening lo form an ill- delined I riangular depressed area with Hatlened lloor. ,\o remnant of superior transverse groove continued into medial face, but upper [tori ion of face with Alpheus foresti sp. nov. Jig. li slight, ill-defined and rounded longitudinal depression lying in dislal half of palm. Sculpturing on inferior llololype; i:'. mm male from Ml SOHSTOM SI. 25. portion of oulcr face complex wil 11 depressed areas, 22.If.70, 1 12° 02.7' .N. 120" 20.:1,' L. 191-200 m. grooves and three knobs. Broad shallow depressed Paratvpes: 1, i>2 mm female from SI. 7; I. ol mm area starling proximally below ridge demarking male and 1, 10 mm female from St. 9; o males and upper I riangular depressed area and continuing dislally lo slight rise near mid-palm and then 1 female, o5-15 mm from SI. 10; 2, 'X\-15 mm males from SI, 21; 2 mates and females from curving diagonally downward as a more abrupt SI. 25; 2 males and I females approximately groove. I erminal ing in rounded emarginal ion below 10 mm from SI. :}(); I male ami 1 female 10 mm daclylar articulalion: profile marked with strong from SI. :!t; 2 females. :>X-10 mm from SI. :>2; rounded knob proximal lo emarginal ion. and with 1 male. !>5 mm from SI. 51; lolher fragmentary second rounded knob overhanging groove slighlly specimens!. superior to margin al level of superior shoulder. Bounded ridge from second knob continued proxim- ally to separate superior and inferior depressed areas. DESCRIPTION Third rounded knob also seen in profile proximal lo lirsl and separated from lirsl by strong rounded Hoslrum reaching near end of lirsl anlennular emarginal ion of margin: emarginal ion continued article, acute. Hatlened dorsally. margins oxer- into face in proximal direction for shorl distance. hanging orbil o-rost ral grooves, 2.0 limes as long as On medial face a large, shallow and v ague depression broad al base. Orbital hoods thin, soft and evidently lying about mid-palm; emarginal ion between lirst very transparent, so in almost all preserved specimens and third knobs continued into face as I'-shaped I hey are wrinkled and distort ed. Cornea:-, large, depression, with lower [tori ion well defined and deep, normal, bill anterior margin of eyeslalk proximal superior portions gradually merging with palmar lo pigmented cornea developed as rounded lobe with surface; emarginal ion distal to lirsl knob appearing * small conical loolh between lobe and cornea; lobe only in profile, not continued into face. In superior bearing a few shorl bristles; in intact specimens. Ibis of or hi I a I hoods and a n I eromed ia I process of eves! a I k; C. anterior region, d ursa I view; d. I li i rd ma \ il I i ped, la I era I face; e, f. la rge * chela and merus, medial face; g, dislal region, large chela, medial face enlarged; h, i, j. large chela laleral, inferior and superior, faces; k, 1, small chela and merus. medial face; m. small chela, laleral face; n. second leg; o. p. third leg. propodus and dactylus enlarged; q. lelson and uropods. a, C, d, g, p, q, scale a. b, scale h. e, f. h. i, j, k. 1, rn. n. 0, scale e. I) K('. A IN ) I) ('.HI STAI'. K A : A I .I'U 1•:1 I) A K view arl iculal ion of daclylus broader lliau palm shoulder. The normal I riangular or quadrangular immediately proximally. Daclylus heavy, with depression on I he superior portion of the outer face, j superior margin of daclylus uniformly rounded, with which in some species may extend proximally along plunger located about 0.0 length distal from arlicul- I he length of I he palm, has become I he marked ' ation. and with margin of plunger continuous as longitudinal groove and depression extending almost straight edge lo lip. Pollex heavy and broad in to the carpal articulation: the medial superior proximal portions, and even broader at proximal end depression, normally connect ed with the transverse of socker; on medial face proximal margin of socket groove, has lost thai conned ion and has become I he protruding as heavy bulla; socket continued towards ill-defined longitudinal depression. The inferior medial side as deep rounded groove. Tips of hoi h groove and proximal shoulder persist as t he proximal fingers massive and heavily calcified. I hat of dad ylus inferior groove, bill do not extend into a well-delined with slightly protruding loolh, that of pollex with depression on I lie lateral face of I he palm, while the two slight rounded notches, one, terminal, the other normally slight mid-palmar depression of the outer marking disto-lal eral margin of socket. Merus 2 times face behind I lie daclylar articulation is greatly as long as broad, superior margin slightly projecting exaggerated and continues in a dislo-inferior direct- (list ally, in fero-int ernal margin with o slight spines ion lo produce I he dislal inferior shoulder that and strong curved and acute loolh almost at end. demarks the end of the pollex. The displacement of I he heav y plunger of the daclylus lo beyond the Small chela not sexually dimorphic, (>."> limes as middle oi l he art icle and I he great t hickening of most long as broad with fingers and palm almost equal in of I he walls of the socket of the pollex again are length, lingers crossing at tips when closed. Margins bearing few long selae. distal portion of medial face with more hairs, hut not hirsute. Merus 1 times We do in11 know how lo interpret the probable as long as broad, inner margin bearing 2 small spines extension of I lie antero-niedial lobe of the eyeslalk and a small acute tooth dislally. Superior mar-gin beyond the anterior margin of the carapace (see terminates in an acute loolh directed medially. lig. I b). I'nfort unalely Ibis species is rather soft, Carpal articles of second leg vvilh ratio: 1 (•:vJ»: I. bodied and the dredging process has badly distorted Ischium of third leg with spine, merus N limes as and injured most of the specimens; in some, for 1 long as broad, mentions. Carpus 0. 1 as long as merus. example, the eyes and I lit bases of I he antennae superior margin slighlly projected, inferior margin have been entirely displaced and are hanging out of with only selae dislally. Propodus 0.0 as long as the carapace. However, in most specimens thai merus, inferior margin bearing no spines, but row of are reasonably inlacl I he ocular process is exposed slender setae of varying length, supero-lat eral face as il is in I he holol vpe. In one or t wo specimens the wil h row of about 9 set ae i set ae broken in holotype!. process is entirely covered by I he carapace, hut in Daclylus spatulale. 0.1 as long as propodus. Ihese I he bases of the antennules appear to be displaced dorsally. We believe, therefore, that the Telson about •> limes as long as distal margin is condition of the holotype is the condition found in broad. Lateral dislal pair of spines small, inner pair life. Perhaps I he same development may be charac- twice as long as outer. Anterior pair of dorsal spines teristic of the other new species. .1. compressus, but placed anterior to middle. the four specimens of that species are even more distorted. DISCUSSION The presence of Ibis prominence, al times deve- Most of the paratypic scries are lacking their loped into a spine, has been noted by Coi TIKHK in large chela and only a few large chelae are loose in his thesis ( 1S(,)(J: 111 el set/.: in his figures il is usually I he jars. While Ihese all show the sculpturing of I he labeled epe (— i'pine rovneenne?) when il has a palm of I he holol vpe. in some I he ridges and grooves spinous growth); he suggests thai il may be protect- are less pronounced, and in some I he lingers are ive. In this case I he structure looks more sensory, longer and may carry stronger leetli at I he lip; I he especially its growth of hairs. This species lives in plunger may be located closer' lo the middle of I he deep water where till It' light normally penetrates, daclylus. An intact female (of mature size but no I and on a muddy bottom; il is possible thai when the ovigerous) has the same proportions and sculpturing condit ions in I lie surrounding environment limit the of I he chela as that of I he male hololvpe so I he vision of I he well-developed eves, t his secondary differences are not sexual. sensory structure may aid. However. .1. idllosus 1 the sculpt tiring of t he large chela is unique wil bin (Olivier'), that lives deep in coral heads and has I he genus. We have interpreted this sculpturing as possibly non-functional eyes (their color is pink and I he orhilal hoods are covered with spines), has no derived from thai found in I he edirardsii (iroup. * with the superior saddle or groove being almost comparable process. vestigial and marked by I he persislanl proximal Oilier species in the cdwardsii (iroup have some AI.HKHT II. A\L) DOHA M. L:\WIH characteristics in common with this s|)ccies: for We were in error when we reported in our earlier example hofh .1. bisincisus I )e llaan and .1. proscu- Philippine paper (1070: '22 1) that this species had rhirus De Man have dorsallv flattened rostrums with not been reported since its original capture. It was concave margins overhanging Ihe floor of the orbit o- reported with doubts by DK MAN from the Bali Sea rostral groov e (as do some members of ot her groups), (11)11: I0:)). BALSS from Ihe Bed Sea (191."): 2:5). and and some mud-dwellers, such as .1. cuphrostpic De CALM AN from Ihe Cull' of Aden iUKiO: 20,S). Man and .1. malabaricus malabaricus Fabricius and its various subspecies, have flattened dactyli, but no species of the group show any tendancy toward Alpheus malabaricus leptopus De Man the development found in this large chela. We are at loss to suggest any phvletic relationship. Alpheus (lulirhtitliuiijlus leptopus l)c Man, 11)10: 2S1). Alpheus malaharirus leptopus, I)K MAN, 11)11: 121), ligs. Id") a. One further note can be given on I.his species: in 1;. c. one specimen in which the carapace was torn away, the content s of the t liin-w ailed cardiac stomach could MATERIAL be seen. Most of the contents appeared to be pieces of sand one piece, in fact, was black and looked M specimens from St. 1. like an irregular basaltic grain but other objects were definitely foratniniferans of various genera. REMARKS This species is names in honor of Dr. .Jacques These :> specimens are larger than those described FOHKST. t he organizer of t lie MFSOBSTOM Hxpedil- by DK MAN. '2D to :5D mm in length, while DK MAN'S ion. the colleclor of these specimens and a fellow largest specimen was "2 I nun. Tliey exactly resemble carcinologist who has been most helpful in our DK MAN'S figures and description even in Ihe squam- studies. The hololype and paratypes will be placed ous port ion of the sea phoceril e which slight ly exceeds in the Museum National d'llistoire Naturelle, Paris. the length of I In" lateral tooth, and the meri of the third legs which are 7 lo 7..") limes as long as broad. I lie same ranges as given by DK M AN. Alpheus hailstonei Coutiere These specimens came from :!1 m: DK MAN reported that this subspecies ocurred in Indonesian Alpheus hailshmei (.ou I iere, l!lor>: S7D, pi. 71, lig. IS. waters as deep as 2S9 in. 'The subspecies, according lo DK MAN. was reported in error by OHTMANN under MATERIAL I lie name .1. REMARKS Alpheus nonalter kensley (figs. 2 d-f) .1. luiilslonci fas huilsloiwi jxiucispinulu Banner) was reported from a dredge haul in the Hawaiian Alplieus uonaller Kensley, l'.KiS: 172, lig'. I.">. Islands that had the minimal depth of .">oN in B \NNKH. FX):>: :>-!). MATERIAL I specimen from SI. 0: 2. SI. "20: I . St. "2 I: 1. St. Xi; 1. SI, :'»<•). Alpheus macroskeles Alcock and Anderson REMARKS Alpheus macros!,rles Alcock and Anderson, IS'.) I: I .">.'{; ISDD: Neither Ihe third niaxilliped nor Ihe small pl. 1). fig. r>. cheliped of the female have been described for this species. The ral io of I he art ieles of I he third niaxillip- MATERIAL ed is 10:2:7. The first article bears distally on supero- exfernal margin a strong rounded tooth beset with a few long hairs al ils tip. 'This tooth is variable and 1 specimen from SI. 11; I, SI. 2."); 1. St. .")0. sometimes less projected than t lie one we have figured. 'The third article bears a brush of line setae REMARKS al ils tip. The hololype came from 100 in in Ihe Bay of Bengal, considerably deeper I ban these specimens. 1 We were in error in two of our references lo this subspecies li^li, ll)(i(i: I IS, ll)(iS: 1 bs by calling it .1. in. iloliehoipiathn ^a specific, name in the genus Automate instead of .1. m. ilolichotlaeh/lus. ]>K<:APOD CUCSTACKA : AUMIKIDAK The small chela of the female is nol halaeniceps. Having found these specimens so like the des- and (i limes as long as broad, willi lingers and palm criptions and figures of DK MAN. we question the nearly equal. Fingers cross at. tip when closed, identification of the specimen we reported under Ibis leaving a slight, gape. Both the superior and inferior name from the dull' of Thailand (B. & B.. 1900: margins are beset with long forward-sweeping selae. 120, lig. 17) from mud at GO m. In that specimen, a sparsely placed. Merus -1.5 limes as long as broad; male of 15 mm. the small chela was more slender superior margin beset wit h sev eral long hairs, inl'ero- with lingers of different shape, and the daclylus of internal margin slighlly serrate and hearing 5 long I he fourth leg was simple (third leg was lost). I n- and awl-shaped spines interspersed with long selae fort unalely. the specimen was dest royed by lire and dislally bearing a small acute toot h. (I )escripl ion ( B. Jfc 1902: 2:18). and figures of 21 mm female from a collection of I he Hong Kong Fisheries research vessel Cape SI. Mary St. 07, Trawl 57. 10/9/0:5. MOO m. 15<>5:U'N. 109" 28.0' F). Alpheus pustulosus Banner and Banner (lig. 2 i) Alpheus puslulosus Ha n ncr a ml Oamu'r, lilfiS: I l.'L fig. l>. Alpheus paradentipes Coul iere MATERIAL 1 specimen from SI. 5G. Alpheus panidenlipes ConI icre, llMlfi: SS(l, pi. 71, lig. 17. REMARKS MATERIAL This 12 nun male compares favorably with the 1 specimen from undesignated locality. lype. which we have reexamined, with the exception I hat the chelipeds are more slender. The large chela is 5 limes as long as broad instead of 4 limes and I he small chela is 8.8 limes as long as broad instead of Alpheus proseuchirus De Man (lig. 2 g, hj 7.8. The meri of both chelae are over 4.0 times as long as broad instead of M.5. Willi so few specimens Alpheus pniseuehirus l)c Man, l'.HIS: 111; 1(111: 107. lig. <»(>. known, we are not at present attaching any signific- ? Alpheus jirnseurhirus, I>A^VM:H and II.WNHH, l!M>(>: lvMi, ance to these varial ions. fig. 17. In our original description we failed to remark upon or figure I lie third maxillipeds. In the holotype. MATERIAL like this specimen, the ratio of the articles is 1 <>:->:<». 'The supero-exl ernal margin of I lie lirsl article termin- 1 specimen from St. 50; 1. SI. 57: 1. SI. 72: 2. SI, 7-i. ates in a strong acute tooth while the supero- inl ernal margin terminates in a small rounded tooth. REMARKS The tip of the third article bears a brush of long hairs. 'The acute looth on the tip of I he basal article These specimens agree well with I he original 0 is unusual in the Croup. specimens that DK MAN described from Indonesia. breviroslris DK MAN did not have a small male cheliped so we 'The only previous record of Ibis species was have figured one from a 25 mm male from SI. 7M. thai of the hololvpe dredged near Hong Kong 0 1 The small chela is sexually dimorphic, I he male (21 N, 11 1 ' F) from 55-75 in. having the typical halaeniceps condition. Chela 1.7 times as long as broad with lingers and palm nearly equal in length. Superior margin of palm Alpheus spatulatus Banner and Banner bearing a transverse small groove proximal lo dactylus with proximal edge of groove continuing Alpheus spalulatus Hanncr and Oanncr, l'.HIS: 11(1, fig. .'5. as small, poorly-defined superior crest disappearing about middle of chela. Chela beset with sparse fine MATERIAL selae. Merus 2.0 limes as long as broad, supero- distal margin inernious, infero-int ernal margin bear- 1 specimen from SI. 72. ing fine, sparse selae and an acule tooth dislally. Merus of third leg 7 limes as long as broad in male REMARKS and nearly 10 times in female. The only prev ious record is that of the holotype DK MAN'S specimens from Indonesia came from and paratvpes taken from 75-95 m in I lie South a depth range of 22-72 in: these dredges ranged from China Sea. south and west of Hong Kong. These 90-1 M l m. specimens were taken at 122-127 ill. I A LI! LHT II. AM) DOHA VI. HANNKH HKFKHKNGKS AT.COCK, A., 1S00. - 111 usl i'n I ions ot' Ihe zoology of Ihe Royal redescripl ion of the holotype ,'Decapoda, Alpheidae'. Indian Marine Survey Ship Investigator under Ihe Cruslaccana, 32 [2;: 207-210, 1 fig. command of Commander T. II. lleming. IS. N. Crusta- HANNKH, Dora M. and Albert II., 1073. The Alpheid shrimp eea, (7 , pl. 30-15. of Australia. Pari I. The lower genera, lire. Ausl. Mils., 28 IT)': 201-3S2, 10 ligs. AI.COCK, A. and A. H. AMIKHSIIN, IS'.II. An account of a recenl collection of deep-sea Crustacea from Ihe Hay HANNKH, Dora M. and Albert II., 1075. Op. cil. Pari II. of Hengal and Paecadive Sea. Natural history notes The genus Sipialpheus. ltcc. Ausl. Mus., 22 12 : 207- from Ihe II. M. Indian Marine Survey Steamer « Inves- 3S0, 20 ligs. tigator)), Commander I). P. Oldham, IP comman- UANNKH, Dora M. and Albert II., 1070. Annotated check ding. Series II, No. 11. ./. Asiatic. Sue. lienijal, 63 2 : lisl of alpheid and ogyridid shrimp from I lie Philippine 111-1 SS, pl. <1. Archipelago and South China Sea. M icrouesica, 14 1PM.SK, 1015. Die Deeapoden des lioten Meeres. I. Die • 2 : 215-250. r> figs. Maeruren. Expedit ionen S. M. SehilT « Tola » in das UANNKH, Dora M. and Albert II., I0SI). The alpheid shrimp Hole .Meer. Nordliche und sudliche Halle I S«»T>-1H>- of Australia. Pari III. The remaining alpheids, princi- IS07-0S. /oologische Ergelmisse 30. Herichte dor pally Ihe genus Alpheus and Ihe family Ogyrididae. Kommission fur o/.eanographische Porschungen. Denk- Hec. Ausl. Mus. |in press . schr. At, I! \ \ \ i h. Albert II.. 1 053. The Crangonidae oi' snapping CAI.NIAN, \Y. T., 1030. Crustacea: Caridea. In: Scienl. Itep. shrimp of Hawaii. I'acif. Sci.. 7 I ;: 1-117, Till ligs. John Murray H.r/ied.. 6: 1S3-22I. Hritisli Museum Nat lira I I lislory . H.\NNIIII, Albert It. and Dora M., 1000. Contributions to Ihe know ledge of I lie alpheid shrimp of I lie Paeilic Ocean. (',(i in Kit i-:, II., IS00. Pes HANNKII, Albert II. and Dora M., 1000. Correction lo: Three 10 ligs. new species of the genus Alfiheus Decapoda, Alpheidae MAN, J. <1. de, 1 SSS. Heriehl fiber die im Indischen Arehipel from I lie International Indian Ocean Expedition. von Dr. .1. Hrock gesamniellen Deeapoden und Stoina- Crustaccana 1 5 2;: 1 11. (Irustaceana, 16 2 : 207. lopoden. Arch. A' alunjesch., 53 1 : 215-000, pis. 7-22 a. HANNKII, Albert It. and Dora M., 1077. Alplienpsis slicarinii MAN, ,1. (i. de, 1S07. Hericlit iiber die von Ilerrn Scliil'fs- Alcock Anderson : A new combination with a eapilan Storm /.li Aljeli. an den westlichen Kiisten DI;<:\I'OD C.IU STACKA : \I,I>U 1:11»AK von Malakka, ISorneo mid Celebes Howie in der Java-See MAN, J. C. de, lit 10. Diagnoses of new species of macrurous 4 gesannnel I en Decapoden und Slomalopoden. Funfter decapod Crnslacea from the cSiboga Expedition.* Theii. /.<><>!. .lb. si/sl., 9: 7v)r,-7itO, pi. KM 1. 1'. 'I'ijdschr. ned. dierk. Yerren. II. 11 1 : -JS7-31!). MAN, J. C. de, ISitS. Of,. eil., /.out. ,lb. ,s//.s/., 10, pis. .'M-.'W. MAN, .J. C. de, lit I 1. The Dec a pod a of the Siboga Expedil ion. l , Plales lo alplieids from 1S'.)7 reference.; Pari 11. Family Alpheidae. SibiH/u-Hxpedilic, 3!>a : 1 .'{.'C ICif). Livre (10 . litl.r>. Of), eil. Supplement... MAN. J. C. de, 1(.)()S. Diagnoses of new species of macrurous Explanation of plales of Alpheidae. Sibu 4