440 THE DIVING BIRDS — PYGOPODES. 



The eggs of the Least Grebe are of a pale chalky greenish white, varying from 

 discolorations, and are unspotted. Those in the Smithsonian Collection are from 

 ]\[atanioras, Mazatlan, Cuba, and Jamaica. They vary from 1.25 inches to 1.50 in 

 length, and from .85 to 1.00 in breadth.^ 



Genus PODILYMBUS, Lesson. 



Podihjmhus, Lesson, Traito, I. 1831, .^)95 (type, Podlccps carolinensis, Lath., := Colymbus podiccps, 



Linn.). 

 Sylbcocydus, Bonap. Saggio, 1832, 144 (same type ;^cf. ScL. Ibis, 1874, p. 98). 



Char. Size medium (wing about 4..'')0-5.0() inches); bill very stout, the length of the culmen 

 less than twice the basal depth ; bill much shorter than the head, the culmen much curved terud- 





P. podiceps. 



nally ; tarsus shorter than the middle toe without claw. No tufts in summer plumage, but bill 

 ])arti-colorexl, and throat ornamented by a black patch. 



Podilymbus podiceps. 



THICK-BILLED GREBE; CAROLINA GREBE. 



Cohjmbus podiceps, LiNN. S. N. eA. 10, I. 1758, 136: ed. 12, I. 1766, 223 (based on Podiccps minor 



rostro vario, Cathsby, Car. 91. —Colymbus fluviatilis carolinensis, Buiss. Oni, VL 1760, 63). 

 Podilymbus podiccps, Lawr. in Baird's B. N. Am. 18.'i8, 898. — Baird, Cat. N. Am. B. 1859, no. 



709. — CouES, Key, 1872, 338; Check List, 1873, no. 614 ; Birds N. W. 1874, 737. — Ridgw. 



Nom. N. Am. B. 1881, no. 735. 

 Podihjmbus podiceps, Coues, 2d Check List, 1882, no. 852. 

 Podiccps ludovicianns. Lath. Ind. Orn. II. 1790, 785. 

 Podiccps carolinensis, Lath. \. c. — Sw. & Rich. F. B. A. II. 1831, 412. — Nutt. Man. II. 1834, 



259. — AUD. Orn. Biog. IIL 1835, 359 ; Synop. 1839, 358 ; B. Am. VII. 1844, 324, pi. 483. 

 Podilymbus lincatus, UF.FAiii. Pr. Ac. Nat. Sci. Philad. 1854, 179; Pacific R. R. Rep. X. 1859, 



77, pi. 9 (young). 

 Podiceps antarcticns. Less. Rev. Zool. 1842, 209. 

 Podilymbus anlarclicus. Gray, Handd. III. 1871, 95, no. 10771. 

 Podil ymbns podiceps, h. anlarclicus, Coues, Birds N. W. 1874, 737. 

 Podiceps brevirostris. Gray, Gen. B. III. 1839, pi. 172. 



1 " The eggs of the two layings resemlile those of the P. minor of Europe, and are in general a little 

 smaller. Dimensions: 36 X 25 ; 35.5 X 27.8 ; 36.3 X 27.8 ; 35 X 25 ; 37.3 X 25.7 millim." (Tacza- 

 NowsKl, Proc. Zool. Soc. Loiul. 1882, p. 49). 



