ORDER PYGOPODES. 75 



Genus FODILYMBUS Lesson. 

 Podilymbus Less. Traitc, L 1831, 595. Type, Colymbus podiceps Linn. 



6. Podilymbus podiceps (Linn.). 



Pied-billed Grebe. 



Colymbus podiceps Linn. S. N. ed. 10, L 1758, 136. 

 Podilymbus p> .uceps Lawr. in Baird's B. N. Am. 1858, 898. 



[B 709, C 614, R 735. C 852.] 



Hab. British Provinces southward to Brazil, Buenos Ayres, and 

 Chili, including the West Indies and the Bermudas, breeding nearly 

 throughout its range. 



Suborder CEPPHI. Loons and Auks. 

 Family URINATORID^. Loons. 



Genus URINATOR Cuvier. 

 Urinator Cuv. Anat. Comp. I. 1799, tabl. ii. Type, Colymbus imber 



GUNN. 



7. Urinator imber (Gunn.). 



Loon. 



Colymbus imber GvsiiKRVS, Trondh. Selsk. Skr. L 1761, pi. iii. 

 i/rinai'or imber STEjyi. Orn. Expl. Kamtschat. 1885, 313. 



[B 698, C 605, R 736, C 840.] 



Hab. Northern part of Northern Hemisphere. In North America 

 breeds from the northern tier of States northward ; ranges in winter 

 south to the Gulf of Mexico. 



8. Urinator adamsii (Gray). 



Yellow-billed Loon. 



Colymbus adamsii Gray, P. Z. S. 1859. 167. 



Urinator adamsii Stejn. Pr. U. S. Nat. Mus. V. 1882, 43. 



