540 APPENDIX. 



GROOVED-BILLED ANI 



Bill grooved,scarcely different in tield from Ani, S. A., 

 north to Tex; casual in Fla. 



FLORIDA CROW. 



Bill larger than iu Crow, difference in field almost 

 inperceptable. Florida. 



HOODED CROW. 



Ditiers from Crow iu being gray on back and under 

 parts. Europe: casual in Greenland. 



ROOK. 



Resembles Crow, but differs in having no feathers 

 about base of bill, where skin is whitish. Europe; 

 accidental in Greenland. 



CLARK NUTCRACKER. 



Size of Blue Jay; bill, longer and pointed; gray 

 wings, and tail black: patch on former and outer feathers 

 of latter, white. Western N. A. ; accidental in AVisconsin. 



