ORDER PYGOPODES. 75 



GENUS PODILYMBUS LESSON. 

 Podilymbus LESS. Traite, I. 1831, 595. Type, Colymbus podiceps LINN. 



6. Podilymbus podiceps (LINN.). 



Pied-billed Grebe. 



Colymbiis podiceps LINN. S. N. ed. 10, I. 1758, 136. 

 Podilymbus podiceps 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^E. LOONS. 



GENUS URINATOR CUVIER. 



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

 GUNN. 



7. Urinator imber (GUNN.). 



Loon. 



Colymbiis imber GUNNERUS, Trondh. Selsk. Skr. I. 1761, pi. iii. 

 Urinator imber STEJN. 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. 



