CHECK-LIST 



1 .ECHarOPHORUS OCCIDKNTALIS (Lawr.V 



Western Grebe. [B 704, C 608, R 729, C 845. J 



2 COIiYMBlS HOLBCELLII (Reinh). 



Holboell's Orelie. [B 702, C 610, R 731, C 847.] 



3. COL,Y3IBUS AURITUS Linn. 



Hovued Grobo. [B 706, C 611, R 732, C 848.] 



4. COLYMBUS NIGKICOLLTS CALTFOR]!fICUS (Heerm. 



Ainerit-au Eared Grebe. [B 707, C 612, R 733ffi, C 850.] 



5. C'OT^YMBUS DOMINICUS Linn. 



St. I>oiiiiiis-(» Grebe. [B 708.3;, C 613, R 734, C 851.] 



6. PODILYMBUS PODIOEPS (Linn.). 



Pied-billed Grebe. [B 709, C 614, R 735, C 852.] 



7. URIXATOR IMBER (Gunn.). 



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



8. URINATOR ADAMSII (Gray). 



Yellow-billed Loon. [B — , C 6os«, R 737, C 841.] 



9. URINATOR ARCTICUS (Li-Vx ). 



Blaolv-throated Loon, [B 699, C 606, R 738, C 842.] 



10. URINATOR PACIFICUS (Lawr.). 



Pacific Loon. [B 700, C 606a, R 739, C 843.] 



,11. URINATOR LUMME (Gunn.). 



Red-tliroated Loon. [B 701, C 607, R 740, C 844.] 



12. LUNDA CIRRHATA Pai.l. 



Tufted Puffin. [B 712, 716, C 619, R 745, C 856.] 



