of the United State's. 57- 



oO. Corvus ossifragus, Wils. Glossy-black; chin naked ; tail 

 slightly rounded, reaching more than one inch beyond the 

 wings ; fourth primary longest ; first much shorter than the 

 ninth : length sixteen inches. 



Fish Croiv, Corvus ossifragus, Wils. Am. Om. v. p. 27- 

 pi. 37. fig. 2. 



Inhabits the sea coast, pond and river shores of the 

 southern, western, and middle states, during summer : rather 

 rare. 



61. Corvus columbianus, Wils. Light silky drab ; wings and 

 tail glossy black ; secondaries white at tip ; outer tail feath- 

 ers white. 



Clark's Crow, Corvus columbianus, Wils. Am. Om. in. 

 p. 29. pi. 20. fig. 2. 



Inhabits the shores of the Oregan : common. 



SUBGENUS II. PICA. 



Pica, Briss. Vieill. 



Head feathers not erectile. Tail very long, cuneiform. 

 Colours generally black and white, sometimes variegated. 



Advance by small leaps. Flight generally low, not pro- 

 tracted. 



6£. Corvus pica, L. Glossy-black ; belly, primaries on the 

 inner web, and scapulars, white ; tail about ten inches long. 



Magpie, Corvus pica, Wils. Am. Orn.iv.p.i5.pl.35.fig.2. 



Inhabits both continents, but much more limited in its 

 range in America, being confined to the northern and western 

 regions. (10.) 



SUBGENUS III. GARRULUS. 



Garrulus, Briss. Vieill. 



Bill rather short, straight; upper mandible somewhat in- 

 flected at tip ; lower navicular. Head feathers erectile. 

 Wings not reaching to the tip of the tail. Colours brilliant, 

 more or^ess of blue. 



