41 



471. CANACE OBSCURA (Say) Bp. 



Dusky Grouse. [459.] 



471a. CANACE OBSCURA PULIGINOSA ElDGW. 

 Sooty Grouse. 



471 &. CANACE OBSCURA RICHARDSONI (DouGL.) BaiM). 

 Richardson's Grouse. 



472. CANACE CANADENSIS (Linn.) Bp. 



Canada Grouse; Spruce Partridge. [460.] 



472a. CANACE CANADENSIS FRANKLINI (DouGL.) Baird. 

 Franklin's Grouse. [461.] 



473. BON AS A UMBELLUS (Linn.) Steph. 



Ruffed Grouse. [465.] 



473a. BONASA UMBELLUS UMBELLOIDES (DoUGL.) Baird. 

 Gray Ruffed Grouse. [^165 a.] 



473 &. BONASA UMBELLUS SABINEI (DouGL.) COUES. 

 Oregon Ruffed Grouse. [466.] 



474. LAGOPUS ALBUS (Gm.) Aud. 



Willow Ptarmigan. [467, 470.] 



475. LAGOPUS RUPESTRIS (Gi\i.) Leach. 



Rock Ptarmigan. [468.] 



476. LAGOPUS LEUCURUS Sw. 



White-tailed Ptarmigan. [469.] 



477. CUPIDONIA CUPIDO (Linn.) Baird. 



Prairie Hen. [464.] 



477 a. CUPIDONIA CUPIDO PALLIDICINCTA RiDGW. 

 Lesser Prairie Hen. 



478. PEDICE3CETBS PHASIANELLUS (L.) Elliot. 



Northern Sharp-tailed Grouse. 



478a. PEDICECETES PHASIANELLUS COLUMBIANUS (Ord) CotlES. 

 Common Sharp-tailed Grouse. [463.] 



479. CENTROCERCUS UROPHASIANUS (Bp. ) Swains. 



Sage Cock. [462.] 



480. ORTYX VIRGINIANA (L.) Bp. 



Bob--white ; American Quail. [471.] 



480 a. ORTYX VIRGINIANA FLORID ANA Coues. 

 Florida Quail. 



480 6. ORTYX VIRGINIANA TEX AN A (Lawr.) Coues. 

 Texan Quail. [472.] 



481. OREORTYX PICTA (Dougl.) Baird. 



Mountain Quail. [473.] 



