DOCSLIB.ORG

Voyage of H.M.S. Challenger

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Voyage of H.M.S. Challenger THE VOYAGE OF H.M.S. CHALLENGER. ZOOLOGY. REPORT on the P t e r o p o d a collected by H.M.S. Challenger during the Years 1873-76. By P a u l P e l s e n e e r , D.Sc. (Brussels). PART III.—ANATOMY. INTRODUCTION. The collection of Pteropoda, preserved in alcohol, brought home by the Challenger, includes specimens of all the known genera exceptCymbuliopsis andClione. This collection having been placed in my hands for purposes of systematic study, I was, when this part of the work was concluded, in an exceptionally favourable position for undertaking a monographic examination of the organisation of this group of animals. Since the publication of Souleyeti memorable work, the anatomy of the Pteropoda has been studied almost exclusively by means of European species, and this is the first time since that epoch that such an important collection as the present one has been made, including, as it does, forty-four species out of the sixty-three actually known, and specimens of nearly all the genera. Hence although the time at my disposal was very limited, I could not allow an oppor­ tunity to escape which would probably not soon occur again. By adding to the Challenger collection some specimens ofClione limacina which Mr. John Murray placed at my disposal, and a specimen ofCymbuliopsis of my own, I was able to investigate all the known genera of Pteropods, so that the conclusions at which I have arrived have not been drawn from the organisation of a few species only, 2 THE VOYAGE OF H.M.S. CHALLENGER. but from that of the entire group, each genus, and usually several species of each genus, having been studied. As the conclusion of these researches an analytical exposition of the whole organisa­ tion of each genus might be expected, but this would have extended the present Report beyond reasonable dimensions, and would have occasioned much repetition, since several of the genera of Pteropods arc very closely related, and the number of distinct types is fai' from large. Besides, as I have already remarked, the limited time at my disposal did not permit me to enter upon an anatomical monograph, and indeed, even if a longer period had been available, the following considerations would .have deterred me from such a course :— 1. We already possess a very considerable acquaintance with numerous points in the organisation of the Pteropoda, thanks to the general works, based upon several different genera, of van Beneden,1 Souleyet,2 and Gegenbauri and to the special memoirs, treating only of a single form, of Eschricht4 and Wagner.6 In many respects an anatomical monograph would simply be a reprint of what has been published by these authors. 2. The systematic position of the Pteropods is the subject of much discussion, and their phylogenetic relationships have been very variously interpreted. For several years® I have followed Spcngel,7 along with Grobben8 and Boasi in the opinion, not shared by most zoologists, that the Pteropoda do not constitute a distinct class among the Mollusca, comparable with the Cephalopoda, Gastropoda, Scaphopoda, aud Pelecypoda. Further, I am, like Boas, of opinion that even within the Gastropoda they do not constitute a primary division, but only a group of much lower rank among the Opisthobranchiata division of the Tectibranchiata Eutliyneura. This opinion, it must be added, is not new ; it was expressed during the first half of this century by de Blainville.10 Souleyet11 was the first, and indeed the only, inves­ tigator who has attempted to give any proof of it, and he was not very successful, 1 Exercice« Zootomiques, Mém. Acad. Sei. Bruxelles, t xii., 1839 ; Mémoire sur la Limacina arctica, op. cit., t xiv.f 1841. 7 Voyage de la Bonite, Zoologie, t. ii. pp. 37-288, 1862. 9 Untersuchungen über Pteropoden und Heteropoden, 1855. * Anatomische Untersuchungen über dio Cliona borealis, 1838 ; in Danish, Anatomiske Undersögclser over Clione borealis, K . dantk. Vidensk. Sclsk. A fhandl., 7 D eel, p. 327. 6 Dic Wirbello8on des weissen Meeres, Bd. L pp. 89-120, 1885. 0 Dic Gcruch8organe und das Nervensystem der Mollusken,Zeitschr. f. wiss. ZooL, Bd. xxxv. p. 373, 1880. 7 The ceplmlic appendages of tho Gynmosomatous Pteropoda,Quart. Jouru. Micr. Sei., N.S., vol. xxv. p. 606, 1885. Description d’un Nouveau genre de Ptöropode Gymnosoma,Bull. Sei. Dép. Nord, p. 220, 1880. Recherches sur le Système Nerveux des Ptéropodes, Arch, de Biol., t vii. p. 127, 1886. • Morphologische Studien über den Harn- und Geschlechtsapparaten sowie die Leibesböhlo der Cophalopoden, Arb. Zool. Inst. W ien, Bd. v. p. 246, 1884. 0 Spolia atlantica, Bidrag til Pteropodernes Morfologi og Systematik, &c.,K. dantk. Vidensk. Sclsk. Skriv., Raekkc 0, Bd. iv. p. 12. 10 Manuel de Malacologie, p. 480. u Voyage de la Bonite, Zoologie, t ii. REPORT ON THE PTEROPODA. 3 because he had opposed to him the dogmatic views of Cuvier, which were then all- powerful. Recently, however, the authors above mentioned have returned to an opinion closely resembling that of de Blainville ; but in order to place this upon a firm basis, further demonstration is still necessary. ; : On these grounds I have proposed to make the present Report a comparative anatomical study of these animals rather than a descriptive anatomical monograph, and shall attempt mainly to throw light- upon their systematic position ; and by the per­ mission of Mr. John Murray to conclude this third part of my Report upon the Pteropoda by an exposition of my views regarding their relations to the other groups of Mollusca. Having thus defined the object of the present work and the spirit in which it is conceived, I may say a few words regarding the method which has been followed in its elaboration and the manner in which I have divided it. The first portion of this Report bears upon the descriptive anatomy of the Pteropoda, taken genus by genus, treating first of the Thecosomata, then of the Gymnosomata. As I have indicated above, no attempt will here be made to discuss the whole organisation of each genus, but I shall study especially— 1. Tlie points neglected or misinterpreted by previous authors, in order, if possible, to elucidate them. 2. The points which seem to me to have an important bearing upon the relations and systematic position of the Pteropoda. In this portion I shall not attack the question of the embryonic development of the Pteropoda. Too few embryos were collected by the Challenger to furnish any new facts which might serve as a basis for a discussion of this special subject. The histology of the Pteropoda, too, will only occupy an unimportant place in our discussion, for the specimens collected by the Challenger were not preserved with a view to histological examination. Hence, in order to fill up the numerous lacunæ which will occur in the present work, I hope to publish hereafter the results of my examination of fresh specimens at the Naples Zoological Station. In the second part it is proposed to study the relations and affinities of the group of Mollusca called Pteropoda by a comparison of their organisation (as ascertained by the investigation described in the first part) with that of other Mollusca. CONTENTS. PAOE Introduction , ............ 1 O rganisation o p t h e P teropoda , ......... 5 I. Thecosomata, ........... 6 A . F am ily I . Limacinidae, . * ß B. Family II. Cavoliniidæ, . .1 2 C. Family EU. Cymbuliidae ......... 21 D. Phylogenetic Relations of the Thecosomata among themselves, . 2 8 E. Summary on the Thecosomata, ........ 37 II. Gymnosomata, ........... 37 A. Family L Pneumonodermatidm, ....... 3 8 B. Family ü. Clionopsidæ,. 4 5 C. Family EU. Clionidae, ......... 47 D. Family IV. Halopsychidae ........ 51 E. Summary on the Gymnosomata, ........ 55 IIL Summary on the Pteropoda, ......... 56 A f fin it ie s and P hylogenetic R elationships o f t h e P teropoda , ..... 57 I. Historical, ........... 57 ü. Are the Pteropoda Cephalopoda! . .6 0 III. Are the Pteropoda Gastropoda ! ........ 75 IV. Special Affinities of the Thecosomata and Gymnosomata, . .7 7 A Thecosomata, .......... 79 B. Gymnosomata, .......... 8 2 V. Do the Pteropoda constitute a Primitive or Derived Group Î . 8 8 VI. Polyphyletic Origin of the Pteropoda, ........ 89 A. Origin of the Thecosomata, ........ 89 B. Origin of the Gymnosomata, ./...... 94 VEL Summary, . , . .96 V III. General Conclusions, .......... 95 I. ORGANISATION OF THE PTEROPODA. I propose to study the Thecosomata and the Gymnosomata separately, and as I have enumerated the differential characters of these two divisions in the Systematic Report on Gymnosomata,1 there is no need to repeat them here. The phylogenetic origin of the two groups will be examined in the sequel. I. THECOSOMATA. We shall now proceed to examine in succession each of the genera recognised in the Systematic Report on the Thecosomata.2 Fam ily I. Limacinidæ. The knowledge of the organisation of the Limacinidæ is of the utmost consequence in the morphological study of the Pteropoda, because the true phylogenetic relations of the typical Thecosomata (Cavoliniidæ) are entirely concealed by an adventitious modification upon which we shall enlarge hereafter. This masks their true relationship, and if the Limacinidæ did not exist at the present time it would probably be impossible to explain this modification, and consequently very difficult to establish the real affinities of the Thecosomata. The only information we possess regarding the organisation of the Limacinidæ is to be found in the memoir of van Beneden onLimacina arctica (= helicina),1 and in the rather brief anatomical study of the “ genus ” Sp irialis, published by Souleyet in the Voyage of the “ Bonite.”4 These two works, however, in addition to being brief, include numerous gaps and several inaccuracies, which defects I shall endeavour to remedy.
Load more

Recommended publications
  • In Bahia, Brazil
    Volume 52(40):515‑524, 2012 A NEW GENUS AND SPECIES OF CAVERNICOLOUS POMATIOPSIDAE (MOLLUSCA, CAENOGASTROPODA) IN BAHIA, BRAZIL 1 LUIZ RICARDO L. SIMONE ABSTRACT Spiripockia punctata is a new genus and species of Pomatiopsidae found in a cave from Serra Ramalho, SW Bahia, Brazil. The taxon is troglobiont (restricted to subterranean realm), and is characterized by the shell weakly elongated, fragile, translucent, normally sculptured by pus‑ tules with periostracum hair on tip of pustules; peristome highly expanded; umbilicus opened; radular rachidian with 6 apical and 3 pairs of lateral cusps; osphradium short, arched; gill filaments with rounded tip; prostate flattened, with vas deferens inserting subterminally; penis duct narrow and weakly sinuous; pallial oviduct simple anteriorly, possessing convoluted by‑ pass connecting base of bulged portion of transition between visceral and pallial oviducts with base of seminal receptacle; spermathecal duct complete, originated from albumen gland. The description of this endemic species may raise protective environmental actions to that cave and to the Serra Ramalho Karst area. Key-Words: Pomatiopsidae; Spiripockia punctata gen. nov. et sp. nov.; Brazil; Cave; Tro- globiont; Anatomy. INTRODUCTION An enigmatic tiny gastropod has been collected in caves from the Serra Ramalho Kars area, southwestern The family Pomatiopsidae is represented in the Bahia state, Brazil. It has a pretty, fragile, translucent Brazilian region by only two species of the genus Id‑ shell in such preliminary gross anatomy, which already iopyrgus Pilsbry, 1911 (Simone, 2006: 94). However, reveals troglobiont adaptations, i.e., depigmentation, the taxon is much richer in remaining mainland ar- lack of eyes and small size. The sample has been brought eas, with both freshwater and semi-terrestrial habits by Maria Elina Bichuette, who is specialized in subter- (Ponder & Keyzer, 1998; Kameda & Kato, 2011).
    [Show full text]
  • Biodiversity of the Kermadec Islands and Offshore Waters of the Kermadec Ridge: Report of a Coastal, Marine Mammal and Deep-Sea Survey (TAN1612)
    Biodiversity of the Kermadec Islands and offshore waters of the Kermadec Ridge: report of a coastal, marine mammal and deep-sea survey (TAN1612) New Zealand Aquatic Environment and Biodiversity Report No. 179 Clark, M.R.; Trnski, T.; Constantine, R.; Aguirre, J.D.; Barker, J.; Betty, E.; Bowden, D.A.; Connell, A.; Duffy, C.; George, S.; Hannam, S.; Liggins, L..; Middleton, C.; Mills, S.; Pallentin, A.; Riekkola, L.; Sampey, A.; Sewell, M.; Spong, K.; Stewart, A.; Stewart, R.; Struthers, C.; van Oosterom, L. ISSN 1179-6480 (online) ISSN 1176-9440 (print) ISBN 978-1-77665-481-9 (online) ISBN 978-1-77665-482-6 (print) January 2017 Requests for further copies should be directed to: Publications Logistics Officer Ministry for Primary Industries PO Box 2526 WELLINGTON 6140 Email: [email protected] Telephone: 0800 00 83 33 Facsimile: 04-894 0300 This publication is also available on the Ministry for Primary Industries websites at: http://www.mpi.govt.nz/news-resources/publications.aspx http://fs.fish.govt.nz go to Document library/Research reports © Crown Copyright - Ministry for Primary Industries TABLE OF CONTENTS EXECUTIVE SUMMARY 1 1. INTRODUCTION 3 1.1 Objectives: 3 1.2 Objective 1: Benthic offshore biodiversity 3 1.3 Objective 2: Marine mammal research 4 1.4 Objective 3: Coastal biodiversity and connectivity 5 2. METHODS 5 2.1 Survey area 5 2.2 Survey design 6 Offshore Biodiversity 6 Marine mammal sampling 8 Coastal survey 8 Station recording 8 2.3 Sampling operations 8 Multibeam mapping 8 Photographic transect survey 9 Fish and Invertebrate sampling 9 Plankton sampling 11 Catch processing 11 Environmental sampling 12 Marine mammal sampling 12 Dive sampling operations 12 Outreach 13 3.
    [Show full text]
  • Os Nomes Galegos Dos Moluscos
    A Chave Os nomes galegos dos moluscos 2017 Citación recomendada / Recommended citation: A Chave (2017): Nomes galegos dos moluscos recomendados pola Chave. http://www.achave.gal/wp-content/uploads/achave_osnomesgalegosdos_moluscos.pdf 1 Notas introdutorias O que contén este documento Neste documento fornécense denominacións para as especies de moluscos galegos (e) ou europeos, e tamén para algunhas das especies exóticas máis coñecidas (xeralmente no ámbito divulgativo, por causa do seu interese científico ou económico, ou por seren moi comúns noutras áreas xeográficas). En total, achéganse nomes galegos para 534 especies de moluscos. A estrutura En primeiro lugar preséntase unha clasificación taxonómica que considera as clases, ordes, superfamilias e familias de moluscos. Aquí apúntase, de maneira xeral, os nomes dos moluscos que hai en cada familia. A seguir vén o corpo do documento, onde se indica, especie por especie, alén do nome científico, os nomes galegos e ingleses de cada molusco (nalgún caso, tamén, o nome xenérico para un grupo deles). Ao final inclúese unha listaxe de referencias bibliográficas que foron utilizadas para a elaboración do presente documento. Nalgunhas desas referencias recolléronse ou propuxéronse nomes galegos para os moluscos, quer xenéricos quer específicos. Outras referencias achegan nomes para os moluscos noutras linguas, que tamén foron tidos en conta. Alén diso, inclúense algunhas fontes básicas a respecto da metodoloxía e dos criterios terminolóxicos empregados. 2 Tratamento terminolóxico De modo moi resumido, traballouse nas seguintes liñas e cos seguintes criterios: En primeiro lugar, aprofundouse no acervo lingüístico galego. A respecto dos nomes dos moluscos, a lingua galega é riquísima e dispomos dunha chea de nomes, tanto específicos (que designan un único animal) como xenéricos (que designan varios animais parecidos).
    [Show full text]
  • Biodiversity Journal, 2020, 11 (4): 861–870
    Biodiversity Journal, 2020, 11 (4): 861–870 https://doi.org/10.31396/Biodiv.Jour.2020.11.4.861.870 The biodiversity of the marine Heterobranchia fauna along the central-eastern coast of Sicily, Ionian Sea Andrea Lombardo* & Giuliana Marletta Department of Biological, Geological and Environmental Sciences - Section of Animal Biology, University of Catania, via Androne 81, 95124 Catania, Italy *Corresponding author: [email protected] ABSTRACT The first updated list of the marine Heterobranchia for the central-eastern coast of Sicily (Italy) is here reported. This study was carried out, through a total of 271 scuba dives, from 2017 to the beginning of 2020 in four sites located along the Ionian coasts of Sicily: Catania, Aci Trezza, Santa Maria La Scala and Santa Tecla. Through a photographic data collection, 95 taxa, representing 17.27% of all Mediterranean marine Heterobranchia, were reported. The order with the highest number of found species was that of Nudibranchia. Among the study areas, Catania, Santa Maria La Scala and Santa Tecla had not a remarkable difference in the number of species, while Aci Trezza had the lowest number of species. Moreover, among the 95 taxa, four species considered rare and six non-indigenous species have been recorded. Since the presence of a high diversity of sea slugs in a relatively small area, the central-eastern coast of Sicily could be considered a zone of high biodiversity for the marine Heterobranchia fauna. KEY WORDS diversity; marine Heterobranchia; Mediterranean Sea; sea slugs; species list. Received 08.07.2020; accepted 08.10.2020; published online 20.11.2020 INTRODUCTION more researches were carried out (Cattaneo Vietti & Chemello, 1987).
    [Show full text]
  • Copyrighted Material
    319 Index a oral cavity 195 guanocytes 228, 231, 233 accessory sex glands 125, 316 parasites 210–11 heart 235 acidophils 209, 254 pharynx 195, 197 hemocytes 236 acinar glands 304 podocytes 203–4 hemolymph 234–5, 236 acontia 68 pseudohearts 206, 208 immune system 236 air sacs 305 reproductive system 186, 214–17 life expectancy 222 alimentary canal see digestive setae 191–2 Malpighian tubules 232, 233 system taxonomy 185 musculoskeletal system amoebocytes testis 214 226–9 Cnidaria 70, 77 typhlosole 203 nephrocytes 233 Porifera 28 antennae nervous system 237–8 ampullae 10 Decapoda 278 ocelli 240 Annelida 185–218 Insecta 301, 315 oral cavity 230 blood vessels 206–8 Myriapoda 264, 275 ovary 238 body wall 189–94 aphodus 38 pedipalps 222–3 calciferous glands 197–200 apodemes 285 pharynx 230 ciliated funnel 204–5 apophallation 87–8 reproductive system 238–40 circulatory system 205–8 apopylar cell 26 respiratory system 236–7 clitellum 192–4 apopyle 38 silk glands 226, 242–3 coelomocytes 208–10 aquiferous system 21–2, 33–8 stercoral sac 231 crop 200–1 Arachnida 221–43 sucking stomach 230 cuticle 189 biomedical applications 222 taxonomy 221 diet 186–7 body wall 226–9 testis 239–40 digestive system 194–203 book lungs 236–7 tracheal tube system 237 dissection 187–9 brain 237 traded species 222 epidermis 189–91 chelicera 222, 229 venom gland 241–2 esophagus 197–200 circulatory system 234–6 walking legs 223 excretory system 203–5 COPYRIGHTEDconnective tissue 228–9 MATERIALzoonosis 222 ganglia 211–13 coxal glands 232, 233–4 archaeocytes 28–9 giant nerve
    [Show full text]
  • NEWSNEWS Vol.4Vol.4 No.04: 3123 January 2002 1 4
    4.05 February 2002 Dr.Dr. KikutaroKikutaro BabaBaba MemorialMemorial IssueIssue 19052001 NEWS NEWS nudibranch nudibranch Domo Arigato gozaimas (Thank you) visit www.diveoz.com.au nudibranch NEWSNEWS Vol.4Vol.4 No.04: 3123 January 2002 1 4 1. Protaeolidella japonicus Baba, 1949 Photo W. Rudman 2, 3. Babakina festiva (Roller 1972) described as 1 Babaina. Photos by Miller and A. Ono 4. Hypselodoris babai Gosliner & Behrens 2000 Photo R. Bolland. 5. Favorinus japonicus Baba, 1949 Photo W. Rudman 6. Falbellina babai Schmekel, 1973 Photo Franco de Lorenzo 7. Phyllodesium iriomotense Baba, 1991 Photo W. Rudman 8. Cyerce kikutarobabai Hamatani 1976 - Photo M. Miller 9. Eubranchus inabai Baba, 1964 Photo W. Rudman 10. Dendrodoris elongata Baba, 1936 Photo W. Rudman 2 11. Phyllidia babai Brunckhorst 1993 Photo Brunckhorst 5 3 nudibranch NEWS Vol.4 No.04: 32 January 2002 6 9 7 10 11 8 nudibranch NEWS Vol.4 No.04: 33 January 2002 The Writings of Dr Kikutaro Baba Abe, T.; Baba, K. 1952. Notes on the opisthobranch fauna of Toyama bay, western coast of middle Japan. Collecting & Breeding 14(9):260-266. [In Japanese, N] Baba, K. 1930. Studies on Japanese nudibranchs (1). Polyceridae. Venus 2(1):4-9. [In Japanese].[N] Baba, K. 1930a. Studies on Japanese nudibranchs (2). A. Polyceridae. B. Okadaia, n.g. (preliminary report). Venus 2(2):43-50, pl. 2. [In Japanese].[N] Baba, K. 1930b. Studies on Japanese nudibranchs (3). A. Phyllidiidae. B. Aeolididae. Venus 2(3):117-125, pl. 4.[N] Baba, K. 1931. A noteworthy gill-less holohepatic nudibranch Okadaia elegans Baba, with reference to its internal anatomy.
    [Show full text]
  • Phylogenetic Analysis of Thecosomata Blainville, 1824
    Phylogenetic Analysis of Thecosomata Blainville, 1824 (Holoplanktonic Opisthobranchia) Using Morphological and Molecular Data Emmanuel Corse, Jeannine Rampal, Corinne Cuoc, Nicolas Pech, Yvan Perez, André Gilles To cite this version: Emmanuel Corse, Jeannine Rampal, Corinne Cuoc, Nicolas Pech, Yvan Perez, et al.. Phylogenetic Analysis of Thecosomata Blainville, 1824 (Holoplanktonic Opisthobranchia) Using Morphological and Molecular Data. PLoS ONE, Public Library of Science, 2013, 8 (4), pp.59439 - 59439. 10.1371/jour- nal.pone.0059439. hal-01771570 HAL Id: hal-01771570 https://hal-amu.archives-ouvertes.fr/hal-01771570 Submitted on 19 Apr 2018 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Distributed under a Creative Commons Attribution| 4.0 International License Phylogenetic Analysis of Thecosomata Blainville, 1824 (Holoplanktonic Opisthobranchia) Using Morphological and Molecular Data Emmanuel Corse*, Jeannine Rampal, Corinne Cuoc, Nicolas Pech, Yvan Perez., Andre´ Gilles. IMBE (UMR CNRS 7263, IRD 237) Evolution Ge´nome Environnement, Aix-Marseille Universite´, Marseille, France Abstract Thecosomata is a marine zooplankton group, which played an important role in the carbonate cycle in oceans due to their shell composition. So far, there is important discrepancy between the previous morphological-based taxonomies, and subsequently the evolutionary history of Thecosomata.
    [Show full text]
  • Biology and Description of Antisabia Juliae Sp. Nov., New Hipponicid Gastropod Commensal on Turbo Spp
    SCI. MAR., 61 (Supl. 2): 5-14 SCIENTIA MARINA 1997 ECOLOGY OF MARINE MOLLUSCS. J.D. ROS and A. GUERRA (eds.) Biology and description of Antisabia juliae sp. nov., new Hipponicid gastropod commensal on Turbo spp. in Laing Island (Papua New Guinea)* MATHIEU POULICEK1, JEAN-CLAUDE BUSSERS1 and PIERRE VANDEWALLE2 1Animal Ecology Laboratory and 2Functional Morphology Laboratory, Zoological Institute, Liège University. 22, Quai Van Beneden, B-4020 Liège. Belgium. SUMMARY: The gastropod family Hipponicidae comprises widely distributed but poorly known sedentary species. On the beach-rock of the coral reefs of Laing Island (Papua New Guinea) live rich populations of several gastropod Turbo species of which many specimens have attached to their shell a hipponicid gastropod attributed to a new species, Antisabia juliae. This new species, described in this paper, appears to have adapted its mode of life on live turbinids in several ways result- ing in morphological changes (thin basal plate loosely adherent to the supporting shell, functional eyes, very long snout, functional radula, small osphradium) and ethological changes (foraging behaviour: it appears to feed on the epiphytic com- munity growing on the host, in the vicinity of the “host” shell). Except for these characteristics, the mode of life appears quite similar to that of other hipponicid species with few big females surrounded by several much smaller males. Development occurs within the egg mass inside the female shell and a few young snails escape at the crawling stage. Key words: Mollusca, Gastropoda, ecology, Hipponicidae, Papua New Guinea, Indopacific. RESUMEN: BIOLOGÍA Y DESCRIPCIÓN DE ANTISABIA JULIAE SP. NOV., UN NUEVO GASTERÓPODO HIPONÍCIDO COMENSAL DE TURBO SPP.
    [Show full text]
  • Title the GENUS PETALIFERA and a NEW SPECIES, P. RAMOSA
    THE GENUS PETALIFERA AND A NEW SPECIES, P. Title RAMOSA, FROM JAPAN Author(s) Baba, Kikutaro PUBLICATIONS OF THE SETO MARINE BIOLOGICAL Citation LABORATORY (1959), 7(3): 337-338 Issue Date 1959-12-20 URL http://hdl.handle.net/2433/174633 Right Type Departmental Bulletin Paper Textversion publisher Kyoto University THE GENUS PETALIFERA AND A NEW SPECIES, P. RAMOSA, FROM JAPAN KIKUTARO BABA Biological Laboratory, Osaka Gakugei University With 1 Text-figure It appears certain to me that the genus Petalifera consists of three definite species as below (cf. ENGEL, 1936, pp. 54-55) : 1. Petalifera petalifera (RANG, 1828). Shell broad, quadrangular. Dist. : Atlantic ; Mediterranean. 2. Petalifera albomaculata (FARRAN, 1905). Shell broad, mytiliform. Dist. : Indian Ocean. 3. Petalifera punctulata (TAPPARONE-CANEFRI, 1874). Uminamekuji. Shell narrow, spatuliform. Dist. : Japan ; Chefoo; Jibuti (?). Loc.: Sagami Bay; Toba; Kii; Osaka Bay; Inland Sea of Seto; Amakusa; Asamushi ; Nou, Niigata Pref. ; Toyama Bay. The following one is added to the above list. Petalifera ramosa BABA, n. sp. Fusa-uminamekuji (n. n.) This is a well-marked and distinct species. (1) The animals are large, 5-7 em long, and somewhat plump in appearance. (2) They have an unusually thick papil­ lation on the back. Many of the papillae are small and conical, and in places come together to form compound tubercles. The largest of the papillae are branched many times, and stand out among the smaller ones. (3) The common genital orifice opens within the dorsal slit. (4) The shell is broad and circular in front, and pro­ trudes in a rostrum behind. Coloration of the body roughly as in P.
    [Show full text]
  • Guide to the Systematic Distribution of Mollusca in the British Museum
    PRESENTED ^l)c trustee*. THE BRITISH MUSEUM. California Swcademu 01 \scienceb RECEIVED BY GIFT FROM -fitoZa£du^4S*&22& fo<?as7u> #yjy GUIDE TO THK SYSTEMATIC DISTRIBUTION OK MOLLUSCA IN III K BRITISH MUSEUM PART I HY JOHN EDWARD GRAY, PHD., F.R.S., P.L.S., P.Z.S. Ac. LONDON: PRINTED BY ORDER OF THE TRUSTEES 1857. PRINTED BY TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. PREFACE The object of the present Work is to explain the manner in which the Collection of Mollusca and their shells is arranged in the British Museum, and especially to give a short account of the chief characters, derived from the animals, by which they are dis- tributed, and which it is impossible to exhibit in the Collection. The figures referred to after the names of the species, under the genera, are those given in " The Figures of Molluscous Animals, for the Use of Students, by Maria Emma Gray, 3 vols. 8vo, 1850 to 1854 ;" or when the species has been figured since the appear- ance of that work, in the original authority quoted. The concluding Part is in hand, and it is hoped will shortly appear. JOHN EDWARD GRAY. Dec. 10, 1856. ERRATA AND CORRIGENDA. Page 43. Verenad.e.—This family is to be erased, as the animal is like Tricho- tropis. I was misled by the incorrectness of the description and figure. Page 63. Tylodinad^e.— This family is to be removed to PleurobrancMata at page 203 ; a specimen of the animal and shell having since come into my possession.
    [Show full text]
  • HISTOCHEMISTRY and ULTRASTRUCTURE of the CRYPT CELLS in the DIGESTIVE GLAND of APLYSIA PUNCTATA (CUVIER, 1803) Nadira Taïeb, Nardo Vicente
    HISTOCHEMISTRY AND ULTRASTRUCTURE OF THE CRYPT CELLS IN THE DIGESTIVE GLAND OF APLYSIA PUNCTATA (CUVIER, 1803) Nadira Taïeb, Nardo Vicente To cite this version: Nadira Taïeb, Nardo Vicente. HISTOCHEMISTRY AND ULTRASTRUCTURE OF THE CRYPT CELLS IN THE DIGESTIVE GLAND OF APLYSIA PUNCTATA (CUVIER, 1803). Journal of Mol- luscan Studies, Oxford University Press (OUP), 1999, 65 (4), pp.385-398. 10.1093/mollus/65.4.385. hal-03024757 HAL Id: hal-03024757 https://hal.archives-ouvertes.fr/hal-03024757 Submitted on 26 Nov 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. J. Moll. Stud. (1999), 65, 385–398 © The Malacological Society of London 1999 HISTOCHEMISTRY AND ULTRASTRUCTURE OF THE CRYPT CELLS IN THE DIGESTIVE GLAND OF APLYSIA PUNCTATA (CUVIER, 1803) NADIRA TAÏEB and NARDO VICENTE Centre d’Etude des Ressources Animales Marines. Faculté de St Jérôme, Case 341. 13397 Marseille Cedex, France (Received 29 December 1997; accepted 15 November 1998) ABSTRACT 1968; Schmekel & Wechsler, 1968a,b; Griebel, 1993; Kress et al, 1994) and many prosobranchs The crypt cells lining the Aplysia punctata digestive (Mason & Nott, 1981) are known to accumu- tubules comprise of three types of cell; calcium, late inorganic salts under normal conditions.
    [Show full text]
  • THE OCCURRENCE of BRITISH APL YSIA by Ursula M
    795 THE OCCURRENCE OF BRITISH APL YSIA By Ursula M. Grigg1 From the Plymouth Laboratory (Plates I and II and Text-figs. 1-3) INTRODUCTION On 13 November 1947 a specimen of the sea hare, Aplysia depilans L., which had been trawled in Babbacombe Bay, was sent to the Plymouth Laboratory. When it was realized that the animal was not the common A. punctata Cuv., collecting trips to likely places were undertaken in the hope of finding more. No others were found, but on one of the expeditions Dr D. P. Wilson picked up a specimen of A. limacina L. Both A. depilans and A. limacina are found in the Mediterranean and on the west coast of Europe: A. depilans has been found in British seas before, but so far as is known A. limacinahas not. These occurrences provide the main reason for publishing this study. The paper also includes an account of the distribution of aplysiidsin British waters and a review of the controversy over the identity of large specimens. As the animals are not usually described in natural history books, notes on the field characters are added. I would like to thank the Director of the Plymouth Laboratory for affording me laboratory and collecting facilities and for his interest in the work. I am most grateful to Dr G. Bacci, who went to much trouble to send me specimens from Naples; to Dr W. J. Rees, who arranged for me to have access to the British Museum collection; to Dr D. P. Wilson, who has provided the photographs of A.
    [Show full text]