57 



758. BRACHYRHAMPHUS CRAVERI (Salvad.) Coues. 



Craver's Guillemot. 



759. BRACHYRHAMPHUS BRACHYFTERUS Brandt. 



Short- winged Guillemot. [734.] 



760. TJRIA GRYLLE (Linn.) BrCnn. 



Black Guillemot. [726.] 



761. URIA COLUMBA (Pall.) Cass. 



Pigeon Guillemot. [727.] 



762. URIA CARBO (Pall.) Gray. 



Sooty Guillemot. [728.] 



763. LOMVIA TROILB (Linn.) Brandt. 



Common Guillemot. [729,730.] 



763 a. LOMVIA TROILB CALIFORNTCA (Bryant) Coues. 

 California Guillemot. 



764. LOMVIA ARRA (Pall.) Bp. 



Thick-billed Guillemot. 



764o. LOMVIA ARRA BRUNNICHI (Sch.) RlDGW. 

 Brunnich's Guillemot. [731.] 



