CHECK-LIST 



( IOIOPHORUS OCCIDENTALS (LAXVR.). 

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



2. COLYMBUS HOLBOZLLII (REINH .). 



Hollxell's Grebe. [B 702, C 6 10, R 731, 0*847.] 



3. COLY3IBUS AURITUS I Y IXN. 



Homed Grebe. [B 706, C 611, R 732, C 848.] 



4 COLY3IBI S MGRICOLLIS CALIFORXICUS 



American Eared Grebe. [B 707, C 612, R 733^, C 850.] 



5. rOLY3IBUS DOMINICUS 



St. I >oiniini( Grebe. [B -<>Xa, C 613, R 734, C 851.] 



<3 PODILY3IHIS PODIC EPS (LINN.). 



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



7 VRIXATOR I3JBKH (GuNN.). *~ 



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



8. URIXATOR ADAMSir ((.RAVI 



Yellow-billed Loon. [15 , C 605^, R 737, C 841.] 



) URIXATOR ARCTICUS (I, INN.). 



JJlack-tbroated Jjooii. [B 699, C 606, R 738, C 842.] 



10. URIXATOR. PACIFICUS (L.uvR.). 



Paeifie Loon. [B 700, C 6o6<?, R 739, C 843.] 



11 URIXATOR LU30IE (Gu.xx . j. 



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



12. Lt XDA C'lRRHATA PAI.I,. 



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



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