SHORT COMMUNICATIONS 95

8 1, and 77% of nests were lost to predation and other GOTTFRIED, B. M., AND C. F. THOMPSON.1978. Exper- causesfor Ocellated Antbird (Phaenostictusmcleannani), imental analysisof nest predation in an old field hab- Spotted Antbird (Hylophylax naevioides),and Bicolored itat. Auk 95:304-3 12. Antbird (Gymnopiihyi jeucaspis), respectively (Willis GREENWAY,J. C., JR. 1958. Extinct and vanishing birds 1974).Even ifexperimental figuresare off by 10% or more, of the world. Special Publication No. 13. American predation must nonethelessexercise a strong influence on Committee for International Wildlife Protection,New populations of species nesting on or near the ground York. (i.e., < 0.5 m; some antbirds, tinamous). Morton (in Karr JANZEN,D. H. 1978. Predation intensity on eggson the 1982)attributed the declinein reintroducedMusician Wren ground in two Costa Rican forests. Am. Midl. Nat. (Cyphorhinusaradus) populations on BCI to predatorson 100:467-470. and near the ground. KARR, J. R. 1971. Structure of avian communities in Loss of bird specieson BCI since formation of Gatun selectedPanama and Illinois habitats. Ecol. Monogr. Lake in 1914 has been attributed to a variety of causes- 41:207-233. island size, loss of secondgrowth habitat, maturation of KARR. J. R. 1982. Avian extinctions on Barro Colorado young forest, competition, lack of wet refugias, and in- Island, Panama: a reassessment.Am. Nat. 119:220- gbilit; to colonize(Willis and Eisenmann 1979;Karr 1982). 239. Predation also mav be a factor (Willis 1974. Karr 1982). KULEZA,G. C. 1980. Theory and pattern of life history and results from our study support this contention, es- evolution in passerinebirds. Ph.D. diss., Univ. Illi- pecially for ground-nestingspecies. Nest type, however, nois, Champaign. does not seem to be as important a factor as nest location LACK, D. 1968. Ecological adaptations for breeding in in determiningpredation pressure, despite a trend for closed birds. Methuen and Co., London. neststo be better protectedfrom predation. Lack of a nest- ONIKI, Y. 1975. The behavior and ecology of Slaty type effect may reflect the identity of nest predators. Ma- Antshrikes (Thamnophiluspunctatus) on Barro Col- nipulation of nests may be accomplished more readily if orado Island, Panama Canal Zone. An. Acad. Bras. nest predators were mammals, and differences in preda- Cienc. 47~477-515. tion rates of open and closed nests may only reflect dif- ONIKI, Y. 1979. Is nesting successof birds low in the ferencesin the rate at which nest types are found. Nests tropics?Biotropica 11:60-69. above ground, however, are probably encountered less RICKLEFS,R. E. 1969. An analysis of nesting mortality frequently by mammalian predators(Ricklefs 1969), sug- in birds. Smithson. Contrib. Zool. 9. gesting that, above ground, nest type may play a larger SKUTCH,A. F. 1966. A breeding bird censusand nesting role in determining predation pressure.In our study, all successin Central America. Ibis 108:1-16. occurrencesof predationabove groundwere recordedfrom SKUTCH,A. F. 1976. Parent birds and their young.Univ. open cup nests. We suggestthat predation by snakesmay Texas Press,Austin. play a more important file for nestslocated above ground. SNOW,D. W., AND R. K. SNOW. 1963. Breeding and the We thank J. G. Blake. J. R. Karr. T. E. Martin. P. A. annual cvcle in three Trinidad thrushes.Wilson Bull. Thomas, B. M. Gottfriei, and two anonymous reviewers 75:27-4i. for their advice and comments on earlier drafts of this WILLIS,E. 0. 1974. Populationsand local extinction of paper. BAL thanks Earthwatch for funding her travel and birds on Barro Colorado Island, Panama. Ecol. Mono- R. C. Krause for aid in obtaining artificial nests. WGH gr. 44:153-169. thanks C. Augsburgerfor providing travel and living ex- WILLIS, E. O., AND E. EISENMANN.1979. A revised list pensesthat allowed his participation in this study. ofthe birds ofBarro Colorado Island. Panama. Smith- son. Contrib. Zool. 291. LITERATURE CITED CODY, M. L. 1971. Ecological aspectsof reproduction, Department of Ecology,Ethology and Evolution, Univer- p. 462-5 12. In D. S. Famer and J. R. King [eds.], sity of Illinois, Champaign, Illinois 61820. Present ad- Avian biology. Academic Press, New York. dressqfjirst author: Department of Zoology, Birge Hall, CROAT,T. P. 1978. Flora of Barro Colorado Island. Universityof Wisconsin,Madison, Wisconsin53706. Re- Smithsonian Institution Press, Washington, DC. ceived 23 December 1981. Final acceptance24 July 1982.

Condor85:95-98 0 The CooperOrnithological Society 1983

ADDITIONS TO THE AVIFAUNA Dptos. Tarija and Chuquisaca,1957, for the Los Angeles County Museum (LACM). In the second section of the OF BOLIVIA, PART 2 paper, we report new information concerningadditional speciesonly recently added to the birds known from Bo- livia. J. V. REMSEN, JR. The following speciesare here recordedfor the first time AND from Bolivia: Aegoliusharrisii. Buff-fronted Owl. Crossincollected an MELVIN A. TRAYLOR, JR. adult male (FMNH 293621) in cloud forest 28 km W of Comarapa, 8,400 ft. (2,560 m), Dpto. Santa Cruz, on 27 March 1973. Meyer de Schauensee(1966) recorded no We here report additions to the bird speciesknown from Andean specimensbetween Ecuador and Jujuy, Argentina. Bolivia that have come to light since Remsen and Ridgely There is also a recent, unpublished record from Peru: P. (1980). Most of the specimenswere collected by Richard Hocking and G. Lopez collected two specimens(FMNH S. Crossin on an expedition to Dptos. Santa Cmz, Chu- 285086, 287773) ai Yurinaqui Alto, Dpto. Junin on 6 auisaca.and Tariia. 1972-1973, for the Field Museum of Januarvand 6 Julv 1969. Further collectingmav show that Natural History (FMNH); by Roy Steinbachin Chiquitos Aego& harrisii Is locally distributed in-the subtropical province, Dpto. Santa Cruz, 1973, also for FMNH; or by and temperate zones of the Andes from Venezuela to Kenneth E. Stagerand S. C. Bromley on an expedition to northwestern Argentina. The Argentine population was 96 SHORT COMMUNICATIONS recently named A. h. dabbeneiby Olrog (1979) but we took a male (FMNH 296446) at Santa Elena, 550 m, 30 have no comparative material of that race. km west of Santiago,Prov. Chiquitos, easternDpto. Santa Nyctibius leucopterus.White-winged Potoo. Remsen, Cruz, on 14 July 1973, and a female (FMNH 296447) at with Jo Ann and Tom Heindel, col1ected.afemale (LSUMZ Santiago,700 m, on 9 May 1973. The nearest previously 90537; ovary 7 x 6 mm, largestovum 3.5 mm diameter; reported recordsare from Brazil in Mato Gross0 and from 185 g, heavy fat; iris bright yellow-orange,bill black, tarsi Paraguay(Storer 1970). and feet cream; prep. by L. Hale) on 3 August 1979 at Basileuterushypoleucus. White-bellied Warbler. As pre- about 21:00 h at SacramentoAlto, 2,575 m, 8 km by road dicted by Short (1975) this species has been found in N Chuspipata, Dpto. La Paz. easternBolivia. R. Steinbachtook one male, two females, This specieswas previously known from only five spec- and one unsexed (FMNH 295465-295468) at Santiago, imens from widely scatteredlocalities: the type specimen 700 m, Prov. Chiquitos, between 23 Januaryand 5 March from “Ambato,” Ecuador (Ridgway 1912), although it is 1973, and a female (FMNH 296434) at Sansaba,620 m, unlikely that the specimen came from Ambato itself Prov. Chiquitos, on 4 June 1973. The nearest previously (Chapman 1926);a “Bogota” skin presumablyfrom some- reported recordsare from Brazil in Mato Gross0 and from where in eastern Colombia (Ridgway 1912, Peters 1940); Paraguay(Lowery and Monroe 1968). a specimen from Florente, 1,800 m, eastern slope of the Andes in Narifio, Colombia (FMNH 287938); Boca de We would also like to report the following additional Monte, 2,400 m, Tachira, Venezuela (Meyer de Schauen- information for speciesrecorded only recently from Bo- seeand Phelps 1978);and Conquista,Bahia, Brazil (Chap- livia (primarily by Blake 1977, Remsen and Ridgely 1980, man 1926, Peters 1940). The elevationsfor the three suec- Parker et al. 1980, and Cardiff and Remsen 1981): imens for which a precise locality is known indicate that Eudromia elegans. Elegant Crested-Tinamou. Banks (1977) reported a chick from Bolivia that was probably of this speciesis a montane, cloud forest form, not a tropical this species;it was collected by Stager at 15 km NE of zone speciesas reported by Meyer de Schauensee(1966, 1970). Capirenda,Dpto. Tarija, on 4 August 1957(LACM 35339). Although Bolivia was recently included in the rangeof this Chaetura andrei. Ashy-tailed Swift. A specimen (Car- negie Museum, CM 119330) collected by J. Steinbach at speciesby Blake (1979) the chick cannot as yet be posi- Yacuiba, Dpto. Tarija, on 10 February 1916, is the first tively identified to species(Banks, pers. comm.); since E. recordfor Bolivia. The following specimenswere collected formosa could also possiblyoccur in southeasternBolivia, by Bromley: one (LACM 35493) 30 km SE of Carandaiti, it seemsbest not to assumethat the record pertains to E. elegans. Dpto. Chuquisaca,on 11 October 1957, and two (LACM Podilymbuspodiceps. Pied-billed Grebe. Remsen and 35494. 35495) 15 km SW of Canirenda. Doto. Tariia. on Ridgely (1980) reported specimens from Dptos. Cocha- 20 September 1957. This species has been recorded as bamba and SantaCruz, the first recordsfor Bolivia. Brom- close to Bolivia as northern Paraguay and northwestern ley and Stagercollected the following specimens(LACM Argentina in Tucuman and Salta (Meyer de Schauensee 35347-35349) in July and August 1957: one at 30 km SE 1966). Short (1975) listed this speciesfrom Bolivia without of Carandaiti, Dpto. Chuquisaca, one at 3 km NW of giving details. Capirenda, and one at Capirenda, Dpto. Tarija. Furnarius cristatus. Crested Homero. The following specimens(LACM 35766-3577 1) were collectedby Stager Dendrocygnabicolor. Fulvous Whistling-Duck. Remsen and Bromley in August-November 1957: three at 30 km and Ridgely (1980) reported the first record for Bolivia, a specimen from Dpto. Santa Cruz. Bromley collected one SE of Carandaiti, Dpto. Chuquisaca;and two at 3 km NW (LACM 35362) 7 km NW of Capirenda, Dpto. Tarija, on of Capirenda and one at 7 km NE of Capirenda, Dpto. Tarija. This specieswas previously known from Bohvia 23 November, 1957. Accipitersuperciliosus. Tiny Hawk. Remsen and Ridgely only from R. S. Ridgely’s sight recordsfrom south of Vil- (1980) reported specimens from Dpto. Santa Cruz, the lamontes, Dpto. Tariia (Remsen and Ridgely 1980). - . first published records for Bolivia. A previously unpub- Asthenesbaeri. Short-billed Canastero. The following lished specimen (CM 119895) was collected by J. Stein- snecimens (LACM 35774-35776) were collected bv bath at Buena Vista on 25 May 1925. Bromley and Stager in 1957: two at Capirenda, Dptd. Falco deiroleucus.Orange-breasted Falcon. Remsen and Tarija, one on 9 July and one on 24 August; and one at Ridgely (1980) reported a specimen of this speciesfrom 12 km SW of Capirenda on 6 September. The nearest BuenaVista, westernDpto. Santa Cruz, the first record for previously known localities are in northwesternArgentina Bolivia. R. Steinbach took a female (FMNH 295961) at (Meyer de Schauensee1966) and extreme western Para- Cerro San Micerato, 830 m. Prov. Chiouitos, in eastern guay at Guachalla, only a few miles from the Bolivian border (specimensat FMNH). Dpto. Santa Cruz, on 4 April 1973. . Falco peregrinus.Peregrine Falcon. Liinnberg (1903) Hirundo pyrrhonota. Cliff Swallow. Bromley collected published a record of a specimen of F. p. cassini from one (LACM 35822) 30 km SE of Carandaiti. Dnto. Chu- Tolomosa, Dpto. Tarija, that predatesrecords reported by quisaca, on 11 October 1957. This migrant from the Remsen and Ridgely (1980). Northern Hemisphere has been recorded from south- Penelope superciliaris. Rusty-margined Guan. Blake western Brazil in Mato Grosso, from Paraguay,and from (1977) listed Penelopesuperciliaris for the first time in northwesternArgentina (Meyer de Schauensee1966) and Bolivia. His record was based on an adult male and an was expected in Bolivia. immature female (FMNH 295965-295966) taken by R. Cinclus schultzi. Rufous-throated Dipper. Two speci- Steinbach at Santiago, 700 m, Prov. Chiquitos, eastern mens (FMNH 294444, 294445) were collected by Cros- Dpto. Santa Cruz, in May 1973. The partially grown fe- sin 25 km NW Entre Rios, Dpto. Tarija, 5,400 ft, on 5 male is in wing molt, with the first to fifth primaries adult, January1973. Francois Vuilleumier (pers.comm.) glimpsed the sixth growing, and seventhto tenth worn juvenal. This a dipper that was almost certainly this speciesat or near accords with an age of 70-90 days in Stresemann and Crossin’s locality on 8 December 1967. This specieswas Stresemann’s (1966) chronology of wing development. formerly known only from northwesternArgentina (Meyer Chamaepetesgoudotii. Sickle-winged Guan. Cardiff and de Schauensee1966) where consideredrare and local (Ring Remsen (198 1) reported the first records for this species 1981). The nearestlocality at which the northern Andean for Bolivia. Three additional specimens(LSUMZ 10124 1 C. leucocephalushas been taken is Samaipata, western (skeleton), 101652-101653) were collected at the edge of Dpto. Santa Cruz, leaving a gap of approximately 385 km humid cloud forest ca. 1 km S Chuspipata,3,050 m, Dpto. between the known rangesof the two species. La Paz. in August 1981 by David Wiedenfeld and Scott Tachyphonusrufus. White-lined Tanager. R. Steinbach M. Lamyon. SHORT COMMUNICATIONS 97

Neocrex ervthrous.Paint-billed Crake. This is another rania Bellavista, 1,550 m, 39 km by road N Caranavi, speciesfirst listed from Bolivia by Blake (1977:5 11). His Dpto. La Paz, on 20 June 1979. record is based on a male (FMNH Conover ~011.25482) Calliphlox amethvstina.Amethyst Woodstar. The only taken by R. Steinbachat Santiago,700 m, Prov. Chiquitos; previousrecord for this speciesfrom Bolivia is a specimen eastem.Dpto. Santa Cruz, on 17 April 1973. There is also collected by M. A. Carriker at Huanay (=Guanay) in the a snecimen(CM 50946) collectedbv J. Steinbachat Buena forested lowlands of Dpto. La Paz (Bond and Meyer de Vista, Dpto: SantaCrud, on 30 October 1914. This species Schauensee1943). R. Steinbachcollected a female and an is known from the lowlandsof surroundingcountries (Blake immature male fFMNH 296057-296058) on 2 and 10 1977, Ripley 1977) and so its presencein eastern Bolivia February 1973, respectively, at Santiago,’ 700 m, Prov. is not unexpected.However, a specimen(LSUMZ 95596) Chiquitos, eastern Dpto. Santa Cruz. from the highlandsof Bolivia at Calacoto, 3,375 m, Dpto. Cranioleucacurtata. Ash-browed Spinetail. Remsen and La Paz, is truly surprising;this bird, an emaciated male, Ridgely (1980) reported a specimen from Dpto. Cocha- was captured in a garden in a suburb of La Paz on 10 bamba, the first published report for Bolivia. There are October 1979 and presentedto Tom and Jo Heindel. This three other specimensfrom Dpto. Cochabamba:one (CM specimen matches very closely the single LSUMZ speci- 119677) collected by J. Steinbach at Incachaca, 1,500 m, men of the nominate race from coastalnorthwestern Peru; on 11 July 1921, and two by F. Steinbachat “Yungas de a more extensivecomparison of material, however, would Cochabamba” on 10 July 1927 (CM 120403) and 15 No- be necessarvbefore this individual can be confidently vember 1927 (FMNH 110362). A male (LSUMZ 98248) assignedto subspecies. collected at Abra de Maruncunca, 2,000 m, 10 km SW Coccyzuserythropthalmus. Black-billed Cuckoo. Rem- San Juan de1Oro, Dpto. Puno, Peru, by T. S. Schulenberg sen and Ridgely (1980) reported specimens from Dpto. on 30 November 1980 bridges the gap between records Cochabamba, the first published records for Bolivia. A from Dpto. Cuzco and Dpto. La Paz (sight records by T. previously unpublished specimen (CM 79 114) was col- A. Parker III and Remsen at SerraniaBellavista, 1,650 m, lected by J. Steinbach at Buena Vista, Dpto. Santa Cruz, 35 km by road N Caranavi in June 1979). on 27 January 1917. Hemitriccusgranadensis. Black-throated Tody-Tyrant. Dromococcyxpavoninus.Pavonine Cuckoo.Remsen and Parkeret al. (1980) reportedthe first specimensfor Bolivia. Ridgely (1980) reported the first record for Bolivia, a spec- Two (LSUMZ 96370-9637 1) were collectedby S. W. Car- imen from Dpto. Santa Cruz. This specieswas heard daily diff in humid cloud forest at Cotapata, 4.5 km WNW by Remsen and T. A. Parker III at Serrania Bellavista, 35 Chuspipata, 3,300 m, Dpto. La Paz, in June 1980. The km by road N Caranavi, 1,650 m, Dpto. La Paz, in June three Bolivia suecimensfit Carriker’s (193 1) description 1979; one (Delaware Museum of Natural History 67499) of H. g. caesius,previously known only from the- type was netted there by C. Greg Schmitt on 15 June. This specimen from Dpto. Puno, Peru (Traylor 1979). Also, specieswas also heard occasionallyby Remsen at Serrania the Bolivia specimens are virtually identical to three Bellavista, 47 km by road N Caranavi, 1,350 m, in July (LSUMZ 985 19-98521) collectedby L. C. Binford and T. 1980. Additionally, three specimens (LSUMZ 101257 S. Schulenbergin Dpto. Puno near the type locality of [skeleton], 101689-101690) were collected by Scott M. caesius. Lanyon and T. S. Schulenbergon the Rio Beni, ca. 20 km Suiriri suiriri afinis. Suiriri Flycatcher. Remsen and by river N Puerto Linares, 600 m, Dpto. La Paz, in June Ridgely (1980) reported Ridgely’s sight records of ajinis and earlv Julv 1981. This seldom seeninhabitant of humid as the first records for Bolivia; however, Gyldenstolpe forest understory is detected mainly by voice or mist-net (1945) had already reported a&is from several localities captures.It probably occursthroughout Dptos. La Paz and in Dpto. Beni. Furthermore, Traylor (1979, 1982) sum- Cochabambain humid foothill forest at the eastern base marized previous data indicating that afinis intergrades of the Andes. The song is a series of far-carrying, clear, with S. s. suiriri in northeasternParaguay and is best treat- monotonic notes, easily imitable, that together last about ed as a subspeciesof S. suiriri, not as a full speciesas 1 s; “hoo, hee, ho-he&he,” the first and third notes lower- recommended by Short (1975). pitched than the others. Catharusfuscescens.Veery. Remsen and Ridgely (1980) Ciccabahuhula. Black-banded Owl. Remsen and Ridge- listed the first record for this speciesfrom Bolivia, a spec- ly (1980) reported the first recordsfrom Bolivia, two spec- imen from Dpto. SantaCruz. R. Steinbachcollected a male imens from Dpto. SantaCruz. Additional specimenswere and a female on 2 and 4 March 1973, respectively,(FMNH collectedat BuenaVista, Dpto. SantaCruz, by J. Steinbach 295425, 295427) from Santiago,700 m, Prov. Chiquitos, on 20 June 1923 and 30 Januarv 1926 (CM 119826, eastern Duto. Santa Cruz. Also. F. Steinbach collected a 119920) and by F. Steinbach on i0 June i938 (FMNH male (FMNH 181674) at Cochabamba,ca. 2,600 m, Dpto. 101865). S. W. Cardiff also collecteda specimen(LSUMZ Cochabambaon 9 November 1937. All three FMNH spec- 95626) at SerraniaBellavista, 47 km by road N Caranavi, imens are in first winter plumageand belongto the western 1,350 m, Dpto. La Paz, on 20 July 1980, in humid Upper race salicicolus. Tropical Zone forest. Turdusleucomelas. Pale-breasted Thrush. The only pre- Nyctibiusgrandis. Great Potoo. The only published re- vious Bolivian record of this speciesis that of Bond (1956) cord of this speciesfrom Bolivia is that of Olrog (1963) from Teoponte, on the Rio Kaka, Dpto. La Paz, an area from San Juan, Dpto. Beni. Unpublished specimenshad of mixed forest and savanna. R. Steinbach collected a been collected previously by J. and F. Steinbachin Dpto. series(FMNH 295432-295438; 296349-293353) in Prov. Santa Cruz at Palmarito, Rio San Julian, Prov. Chiquitos, Chiquitos, 600-900 m, easternDpto. SantaCruz, from 19 on 29 and 30 May 1918 (CM 80297-80298); at Rio Surutu Januaryto 4 June 1973. Six are youngofthe year in spotted on 18 April 1928 (CM 119967) and 13 October 1938 plumage, 19 January-6 March; one in late February has (FMNH 179243);and at BuenaVista on 7 November 1929 almost completedpost-juvenal molt but the majority have (CM 120569) 25 April 1952 (LSUMZ 37341) and 8 Au- not yet begun. One adult taken 4 February is in abraded gust 1958 (LSUMZ 37340). plumage,just beginning post-nuptial molt. The five birds UropsalisMyra. Lyre-tailed Nightjar. Remsen and Ridge- taken in May and June are all in fresh plumage; two are ly (1980) reported this speciesfrom Bolivia for the first adultsand three are first winter birds with pale-tipped wing time, a specimen from Dpto. Cochabamba. R. Crossin coverts. collected a female (FMNH 293623) 25 km northwest of Dendroica fusca. Blackburnian Warbler. This species Entre Rios, 5,400 ft (1,650 m), Dpto. Tarija, on 4 January was known from Bolivia only from J. A. Heindel’s sight 1973, a considerablesoutherly range extension. Also, T. record from Dpto. La Paz (Parker et al. 1980). She (pers. A. Parker III collected a female (LSUMZ 90539) at Ser- comm.) subsequentlysaw another brightly plumagedmale 98 SHORT COMMUNICATIONS

at the same locality on 19 January 1980. Also, T. S. Schu- LBNNBERC~,E. 1903. On a collection of birds from north- lenbergcollected a male (LSUMZ 98920) at Abra de Ma- westernArgentina and the Bolivian Chaco. Ibis 1903: runcunca, 10 km SW San Juan de1 Oro, 2,000 m, Dpto. 441-471. Puno, Peru, only about 15 km from the Bolivian border. LOWERY,G. H., JR., AND B. L. MONROE,JR. 1968. Fam- ily Parulidae, p. 3-93. In R. A. Paynter, Jr. [ed.], ACKNOWLEDGMENTS Check-list of birds of the World, Vol. 14. Museum of We are deeply indebted to Ralph W. Schreiber for per- Comparative Zoology, Cambridge, MA. missionto userecords of specimensat Los AngelesCounty MEYERDE SCHAUENSEE,R. 1966. The speciesof birds of Museum, to Kenneth C. Parkes for permission to include South America. Livingston, Narberth, PA. recordsof specimensat the Carnegie Museum of Natural MEYER DE SCHAUENSEE,R. 1970. A guide to the birds History and for his careful review of the manuscript, and of South America. Livingston, Wynnewood, PA. to Richard C. Banks for clarifications concerning Eudro- MEYERDE SCHAUENSEE,R., AND W. H. PHELPS,JR. 1978. mia .&guns. S. W. Cardiff, J. P. O’Neill, T. S. Schulenberg, A guide to the birds of Venezuela. Princeton Univ. and J. S. Weske provided useful comments on the manu- Press,Princeton, NJ. script. Remsen gratefully acknowledgesthe continuing fi- OLROG,C. C. 1963. Notes sobre aves Bolivianas. Acta nancial supportof LSUMZ fieldwork in Bolivia by Babette Zool. Lilloana 19:407-478. C. Odom, John S. McIlhenny, and H. Irving and Laura OLROG,C. C. 1979. Notas Omitologicas. xi. Sobre la R. Schweppe.The cooperationofthe Direction de Ciencia coleccion de1 Instituto Miguel Lillo. Acta Zool. Lil- y Tecnologia(through Gaston Bejarano)and the Academia loana 33(2):5-7. National de Ciencias, La Paz, has been invaluable to the PARKER,T. A., III, J. V. REMSEN,JR., AND J. A. HEINDEL. LSUMZ researchprogram in Bolivia. 1980. Seven bird speciesnew to Bolivia. Bull. Br. Omithol. Club lOO:i60-162. LITERATURE CITED PETERS.J. L. 1940. Check-list of birds of the world. Vol. 4. Harvard Univ. Press, Cambridge, MA. BANKS,R. C. 1977. A review of the crested tinamous REMSEN,J. V., JR., AND R. S. RIDGELY.~1980. Additions (Aves: Tinamidae). Proc. Biol. Sot. Wash. 89:529- to the avifauna of Bolivia. Condor 82:69-75. 544. RIDGWAY,R. 1912. Descriptions of some new species BLAKE,E. R. 1977. Manual of Neotropical birds. Vol. and subspeciesof birds from tropical America. Proc. 1. Univ. of Chicago Press, Chicago. Biol. Sot. Wash. 25187-92. BLAKE.E. R. 1979. Order Tinamiformes. D. 12-47. In RIPLEY,S. D. 1977. Rails ofthe World. David R. Godine, E.‘Mayr and G. W. Cottrell [eds.], Checillist of birds Boston. of the World. Vol. 1,2nded. Museum of Comparative SHORT,L. L. 1975. A zoogeographicanalysis of the South Zoology, Cambridge, MA. American Chaco avifauna. Bull. Am. Mus. Nat. Hist. BOND, J. 1956. Additional notes on Peruvian birds, II. 154. Proc. Acad. Nat. Sci. Phila. 108:227-247. STORER,R. W. 1970. Subfamily Thraupinae, p. 246- BONI), J., AND R. MEYER DE SCHAUENSEE.1943. The 408. In R. A. Paynter, Jr. [ed.], Check-list of birds of birds of Bolivia, pt. 2. Proc. Acad. Nat. Sci. Phila. the World. Vol. 13. Museum of Comparative Zool- 95:167-221. ogy, Cambridge, MA. CARDIFF,S. W., AND J. V. REMSEN. 1981. Three bird STRESEMANN,E., AND V. STRESEMANN.1966. Die Mauser speciesnew to Bolivia. Bull. Br. Omithol. Club 101: der V6gel. J. Omithol. 107, Sonderheft. 304-305. TRAYLOR,M. A., JR. 1979. Subfamily Elaeniinae, p. 3- CARRIKER,M. A. 1931. Descriptions of new birds from 112. In M. A. Traylor, Jr., [ed.]. Check-list of birds Peru and Bolivia. Proc. Acad. Nat. Sci. Phila. 83:460- of the World, Vol. 8. Museum of Comparative Zo- 467. ology, Cambridge, MA. CHAPMAN,F. M. 1926. The distribution of bird-life in TRAYLOR,M. A., JR. 1982. Notes on tyrant flycatchers Ecuador. Bull. Am. Mus. Nat. Hist. 60. (Tyrannidae). Fieldiana Zool. No. 13. GYLDENSTOLPE,N. 1945. A contribution to the omi- thology of northern Bolivia. K. Sven. Vetenskaps- Museurn of Zoology, Louisiana State University,Baton akad. Handl., ser. 3, 23. Rouge,Louisiana 70893. Addressofsecond author: Divi- KING, W. B. [ED.]. 1981. Endangeredbirds of the World. sion-ofBirds, Field Museum of Natural History, Roosevelt The ICBP Bird Red Data Book. Smithsonian Inst. Road at Lake Shore Drive, Chicago, Illinois 60605. Re- Press, Washington, DC. ceived 19 December 1981. Final acceptance15 June 1982.