PODICEPS. 
243 
Podoa senegalensis Illiger. 
Heliornis senegalensis Vieillot, Galerie Oiseaux Tb. 280. — Schlegel, Mus. 
Pays-Bas Urin. 49. 
Rhigelura senegalensis Waglee, Oken's Isis 1832. 
Podoa Josephina y P. senegalensis Bonaparte, Conspect. Avium II. 182. 
Podica Josepliina Gray, Handl. Birds III. 69. 
Podoa Pucherani Bonaparte, Compt. rend. 1856. XLIII. 994. 
PODICEPS (Colymbidae). — Latham, Ind. Ornith. 1790. 780.— Gray, Genera 
Birds 1846. III. 632. — Bonaparte, Compt rend. 1856. XLII. 774. — Schle- 
gel, Mus. Pays-Bas Urinat. 33. — Baird, Birds N America 891. — Coues, 
Proc. acad. Philadelphia 1862. 230. 
Synon.: Colymbus Briss. — Lophaithyia (Lophaethyia), Dytes, Proctopus , Pedeai- 
thyia (Podelaithyia) Kaup. — Poliocephalus Selb. — Dasyptilus Swains. — Calipareus, 
Rollandia, Stylbeocyclus Bonap. — Aechmophorus Coues. — Otodytes, Tachybaptes Reichb. 
— Centropelma Sclat. — Podilymbus Less. 
Bill more or less long, straight, strong, the culmen slightly curved at the 
tip, which is acute and entire; the sides much compressed and the gonys short 
and advancing ujnvards to an acute point; the nostrils placed in a short groove 
with the opening longitudinal and exposed. Wings short and pointed with the first 
or sometimes the second quill the longest, and slightly emarginated near the tips. 
Tail short, not apparent. Tarsi shorter than the middle toe, much compressed, 
the anterior and posterior edges covered with small scales, which are serrated pjoste- 
riorly and the sides with transverse scales. Toes long, the outer the longest, 
depressed, margined on the sides, especially on the inner sider and united at the 
hase to the middle toe, the hind toe short and strongly lobed; the claws short, very 
broad, flat and obtuse. — 17 Sp ecc. 
af finis Salvadori, Atti Soc. ital. Milano 1866. VIII; Journ. Ornitb. 1868. 
XVI. 70. [California. 
albicoUis Lesson, Traité Ornith. 594. = Podiceps americanus Garn. 
ambiguus Lesson, Traité Ornith. 595. = Podiceps auritus Lath. 
americanus Garnot, Voy. Coquille 599. — Schlegel, Mus. Pays-Bas Urin. 42. 
\Eio Grande. 
Podiceps albicollis Lesson, Traité Ornith. 594. — Pûcheran, Revue Mag. 
Zool. 1851. 
Tachybaptus americanus Bonaparte, Compt. rend. 1856. XLII. 775. 
Sylbeocyclus americanus Gray, Handl. Birds III. 95. 
antarcticus Lesson, Revue Zool. 1842. 209. — Podiceps carolinensis Lath. 
arcticus Boie, Reise Norwegen 308. = Podiceps cornutus Lath. 
aiiritus Latham, Ind. Ornith. II. 781. — Nilson, Ornith. suec. II. 128. — 
Schlegel, Mus. Pays-Bas Urin. 40. — Degland, Ornith. Europ. II. 584. — 
Audubon, Ornith. Biogr. V. 108. Tb. 404; Birds America VIL 302. Tb. 482. 
— Baird, Birds NAmerica 897. [Hemisph. septentr. 
Colymbus auritus Linné, Fauna suec. 53. — Buffon, Pl. enlum. 404. 942. 
— Naumann, Natg. Vögel Deutschl. IX. 768. Tf. 246. 
Colymbus cristatus minor ^ C. minor Brisson, Ornith. VI. 42. 56. 
Colymbus duplicatus Müller, Syst. Nat. Suppl. 107. 
Colymbus nigricans Scopoli, Annuus I. 101. 
Colymbus caspicus Gmelin, Reise IV. 137. 
Colymbus cristatus Möhr, Islandsk. naturh. 39. Tb. 2. 
Podiceps obscurus, P. cornutus, P. hybridicus Latham, Ind. Ornith. II. 
781—783. 
Podiceps nigricollis Brehm, Vögel Deutschl. 963. — Sundevall, Oefvers. 
kgl. vet. Akad. Förhdl. 1848. 210. — Degland, Ornith. Eur. IL 585. 
Podiceps recurvirostris , P. orientalis, P. bicornis Brehm, Naumannia 1855. 
V. 300. 
Podiceps ambiguus Lesson, Traité Ornith. 595. 
Proctopus auritus Kaup, Entwickl. Thierw. 49. 
16* 
