PERDICID^E. L. 119 



3. CUPIDONIA, Reich. PINNATED GEOTJSE. 

 1. C. cup/do, (L.) Baird. PKAIRIE HEN. PRAIRIE 

 CHICKEN. Sides of neck with a tuft of long pointed 

 feathers, beneath which is a patch of bare, red skin, 

 capable of great inflation; black, tawny and white, barred 

 and streaked; L. 17; W. 9; T. 4; ? smaller. Prairies, 

 etc., Martha's Vineyard to La. and N.; nearly extermin- 

 ated eastward. 



4. BONASA, Stephens. RUFFED GROUSE. 



1. B. umbellus, (L.) Stephens. PARTRIDGE (North.) 

 PHEASANT (South.) Crested; sides of neck with a ruff 

 of soft dark feathers; variegated, reddish or grayish 

 brown, with blackish and pale; L. 18; W. 7; T. 7. E. 

 U. S., abundant in woodland. 



5. LAG OPUS, Vieillot. PTARMIGANS. 



1. L albus, (Gm.) Aud. WHITE PTARMIGAN. WILLOW 

 GROUSE. Fore parts cinnamon brown, variegated with 

 blackish; in winter pure white; bill stout; L. 16; W. 8; 

 T. 5. British America; N. U. S. (rarely, in winter.) 



FAMILY L. PERDICIDvE. 



( The Partridges.) 



Nostrils unfeathered, protected by a naked scale; 

 tarsus bare and scutellate, circumorbital space usually 

 not bare; in most respects similar to the Grouse, but 

 smaller. Our species are crested (excepting the com- 

 mon Quail) and Western or Southwestern. 



/. ORTYX, Stephens. BOB -WHITES. 



1. 0. virgin/anus, (L.) Bon. QUAIL (North.) PART- 

 RIDGE (South.) BOB -WHITE. Forehead, line through 

 eyes, chin and throat white, brownish yellow in $; 



