57 



758. BRACHYRHAMPHUS CRAVERI (Salvad.) Coues. 



Graver's Guillemot. 



759. BRACHYRHAMPHUS BRACHYPTERUS Brandt. 



Short-winged Guillemot. [734.] 



760. URIA GRYLLB (Linn.) Brlnn. 



Black GuUlemot. [726.] 



761. URIA COLUMBA (Pall.) Cass. 



Pigeon Guillemot. [727.] 



762. URIA CARBO (Pall.) Gray. 



Sooty Guillemot. [728.] 



763. LOMVIA TROILE (Linn.) Brandt. 



Common GuiUemot. [ 729, 730. ] 



763a. LOMVIA TROILE CALIFORNICA (Bryant) Coues. 

 California Guillemot. 



764. LOMVIA ARRA (Pall.) Bp. 



Thick-billed Guillemot. 



764a. LOMVIA ARRA BRUNNICHI (Sch.)Eidgw. 

 Brunnich's Guillemot. [731.] 



