TETBAONIB^—TETBAONIN^: GB0U8E. 



583 



overlap to some extent. Formerly ranged in all the prairie of Minnesota, Michigan, and Iowa, 

 but is pushed westward by the grain-fields — the same carrying mpido along. Eggs 5-10-12- 

 13, in June ; grayish-olive or drab-colored, uniformly dotted with brown points, rarely larger 

 than a pin-head; always quite different from those of cupido; 1.60 to 1.80 long by 1.20 to 1.30 

 broad; average 1.75X1-25. A fine game and table bird, in all respects like mpido. 

 207. CUPIDCNIA. (Name derived from cupido, which see below.) Pin-neck Gkousb. Neck 

 with a peculiar tuft on each side of loose, lengthened, acuminate feathers, like little wings, 

 beneath which is 

 a circular patch of 

 bare, yellow skin, 

 capable of great 

 distension, like the 

 half of a small or- 

 ange. Head with 

 a slight soft crest. 

 Tarsi scant-feath- 

 ered to the toes in 



» ^ , ., Fig. 399. — Foot of Prairie Hen, nat. size. (Ad nat. del. E. C.) 



firont and on sides, 



bare on a strip behind ; toes extensively webbed at base. TaU short, rounded, of 18 broad 

 stiffish feathers, with obtusely rounded ends. Sexes nearly alike in size, form, and color; 

 plumage below barred transversely. One species, 2 varieties, of prairie, perfectly terrestrial. 



Analysis of Varieties. 

 The Commok bird. Tarsal feathers hiding the hare strip. Dark hars above black, and broad ; top oi' 



head mostly blackish cupido 5t-. 



Texas bied. Tarsi very scant-feathered, the bare strip exposed. Dark bars above brovnn and narrow ; 



top of head little blackish pallidicimctus 564 



563. C. cupi'do. (The tufts on the neck likened to conventional " cupid's wings." Figs. 399, 400.) 



Pinnated Grouse. 

 -^^^ ||L,. n» PraieibHen. $9- 



_^::;^^^<i^ TfliSyNlr-''^^^'^^ Above, variegated with 



-^^^'^'^■''^"'■^- ~ ■■ ^ tawny bars and tips; 



Fig. 400. —Prairie Hen. (From Lewis.) sexes alike in color, 



but 9 smaller, with shorter neck tufts. Length 16.00-18.00 ; extent about 28.00 ; wing 



8.00-9.00; tail about 4.50; tarsus rather over, middle toe and claw rather under, 2.00; neok- 



tufts 2.00-3.50 inches long. This well-known bird formerly ranged across the United States, 



