ORDER PASSERES. 20I 



489. Corvus caurinus Baird. 



Northwest Crow. 



Corvus caurinus Baird, B. N. Am. 1858, 569. 

 [B 428, C 22U, R 282^, C 342.] 

 Geog. Dist. — Northwest coast, from California to Sitka. 



490. Corvus ossifragus Wils. 



Fish Crow. 



Corvus ossifragus Wils. Am. Orn. V. 18 12, 27, pi. 37, fig. 2. 

 [B 429, C 229, R 283, C 343.] 

 Geog. Dist. — Atlantic and Gulf coasts, from southern Connec- 

 ticut to Louisiana. Common in the lower Hudson Valley ; casual in 

 Massachusetts. 



Genus NITCIFRAGA Brisson. 

 Nucifraga Brisson, Orn. II. 1760, 58. Type, N. caryocatactes. 



Subgenus PICICORVUS Bonaparte. 



Picicorvus Bonap. Consp. Av. I. 1850, 384. Type, Corvus 

 columbiamcs Wils. 



491. Nucifraga Columbiana (Wils.). 



Clarke's Nutcracker. 



Corvus columbianus Wils. Am. Orn. III. 181 1, 29, pi. 20, fig. 3. 

 Nucifraga columbiana Aud. Orn. Biog. IV. 1834, 459. 

 [B 430, C 230, R 284, C 344.] 

 Geog. Dist. — Higher coniferous forests of western North Amer- 

 ica, from the eastern slope of the Rocky Mountains to the Pacific, 

 and from Putnam River, Alaska, south to Arizona and northern 

 Lower California. Accidental in Kansas, Missouri and Arkansas. 



Genus CYANOCEPHALUS Bonaparte. 



Cyanocephalus Bonap. Oss. Stat. Zool. Eur. Vertebr. 1842, 17. 

 Type, Gymnorhinus cyanocephalus Wied. 



