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 

 Matamoras, Mazatlan, Cuba, and Jamaica. They vary from 1.25 inches to 1.50 in 

 length, and from .85 to 1.00 in breadth. 1 



Genus PODILYMBUS, Lesson. 



Podilymbus, Lesson, Traite, I. 1831, 595 (type, Podieeps earoliucnsis, Lath., = Colymbus podieeps, 



Linn.). 

 Sylbeocyclus, Bonap. Saggio, 1832, 144 (same type ; cf. Sol. Ibis, 1874, p. 98). 



Char. Size medium (wing about 4.50-5.00 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 termi- 



P. podieeps. 



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

 parti-colored, and throat ornamented by a black patch. 



Podilymbus podieeps. l 



THICK-BILLED GREBE; CAROLINA GREBE. 



Colymbus podieeps, Linn. S. N. ed. 10, I. 175S, 13G : ed. 12, I. 170(3, 223 (based on Pudicrps minor 



rostrovario, Catesby, tar. 91. — Colymbus flwoiatUis caroliiicnsis, Bitiss. Orn. VI. 1760, 63). 

 Podilymbus podieeps, Lawk, in Baird's 1!. N. Am. 1S58, 898. — Baihd, Cat. N. Am. 13. 1S59, no. 



709. — Coues, Key, 1S72, 338; Check List, 1873, no. 614 ; Birds N. W. 1874, 737. — Eidgw. 



Norn. N. Am. 15. 1881, no. 735. 

 Podilymbus podieeps, Coues, 2d Check List, 1882, no. 852. 

 Podieeps ludtivieimiHs, Lath. Ind. Orn. II. 1790, 7S5. 

 Podieeps carolinensis, Lath. 1. c. — Sw. & Rich. F. B. A. II. 1831, 412. — Nurr. Man. II. 1834, 



259. —Aim. Orn. P.iog. III. 1835, 359; Synop. 1839, 358 ; 13. Am. VII. 1844, 324, pi. 4S3. 

 Podilymbus Uneatus, Heeum. Pr. Ac. Nat. Sci. Philad. 1854, 179; Pacific 1!. R. Rep. X. 1859, 



77, pi. 9 (young). 

 Podieeps cmlarcticus, Less. Rev. Zool. 1842, 209. 

 Podilymbus antarcticus, Gray, Hand-1. III. 1871, 95, no. 10771. 

 Podilymbus podieeps, b. antarcticus, CoUES, Birds N. W. 1874, 737. 

 Podieeps brevirostris, Gray, Gen. 13. III. 1839, pi. 172. 



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

 smaller. Dimensions: 36 X 25 ; 35.5 X 27.8 ; 30.3 X 27.8 ; 35 X 25 ; 37.3 X 25.7 millim." (Tacza- 

 nowsri, Proc. Zool. Soc. Lund. 1S82, p. 49). 



