212 PEOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



758. BRACHYRHAMPHUS CRAVERI (Salvad.) Coues. 



Graver's Guillemot. 



759. BRACHYRHAMPHUS BRACHYPTERUS Brandt. 



Short-'wringed Guillemot. [7:34.] 



760. URIA GRYLLE (Linn.) BrIjnn. 



Black Guillemot. [726. ] 



761. URIA COLUMBA (Pall.) Cass. 



Pigeon Guillemot. [727.] 



762. URIA CARBO (Pall.) Gray. 



Sooty Guillemot. [728.] 



763. LOMVIA TROILE (Linn.) Brandt. 



Common Guillemot. [729,730.] 



763«. LOMVIA TROILE CALIFORNICA (Bryant) Coues. 

 California Guillemot. 



764. LOMVIA ARRA (Pall.) Bp. 



Tliick-billed Guillemot. 



764a. LOMVIA ARRA BRUNNICHI (SCH.) KiDGW. 

 Brunnich's Guillemot. [731.] 



