7. TrsiPANTJCiius, 77 



h. S ad. sk. Fort Halkett, April ( W. Salvin-Godman Coll. 



8, A;, c? iuim.et $ Fort Simpson, April. B. R. Ross, Esq. 



ad. sk. 



I, in. $ ad. sk. Teton Caiion, Montana, July Salvin-Godman Coll. 



( C. H. Merriam). 



n. 2 fid. sk. Chief Mt. Luke, Montana, Sah-in-Godman Coll. 



August {E. Cuues). 



o. 2 fid. sk. Fort Dufferin, Aug. N. Am. Boundary 



Comm. [PA 



p. 2 imm. sk. Hudson's Bay. HudsonBay Co. [P.]. 



7. TYMPANUCHUS. 



^ Tjije. 



Tympanuchus, Gloff. Hand. u. Hilfsb. p. 396 (1842). . T. cupido. 

 Cupidonia, Reich. Nat. Sijst. Vo;/. p. xxix (1852) .... T. americanus. 



Tail composed of 18 feathers, rather short and rounded ; the 

 outer feathers about two-thirds the length of the middle pair. 



A tuft of elongate feathers and an inflatable air-sac on each side of 

 the neck. 



1st primary much shorter than the 2ud, and falls between the Sth 

 and 7th ; 3rd slightly longest. 



Axillaries long and pure white. 



Tarsi feathered, shorter than middle toe and claw. 



Range. N. America. 



Keij to the Species. 



A. Tufts of feathers on the sides of the neck very 



long, ca. ;3 inches. (Males.) 



a. Longer feathers of neck-tuft lanceolate and 



pointed cupido, p. 77. 



b. L(inger feathers of neck-tuft parallel-edged, 



with rounded or truncate tips. 

 a'. Feathers of chest brown, with subterminal 



band and tip white. Size larger : wing 



ca. inches americantts, p. 78. 



6'. Feathers of chest with about six alternate 



bars of brown and white. Size smaller : 



wing ca. 8'3 inches pallidicinctus, p. 80, 



B, Tufts of feathers on the sides of the neck much 



shorter. (Females.) 



1. Tympanuchus cupido. 



Urogallus minor, fuscus, &c., Catesb. ii. App. p. 1, pi. i. (1743). 

 Tetrao cupido, Linn. S. N. i. p. 274 (1706) ; Gm. S. N. i. pt. ii. p. 751 



(17S8) ; Lath. Lid. Orn. ii. p. 638 (17t)0) ; Temyn. Pig. et Gall. iii. 



pp. 161, 703 (1815); Vieill. Gal. Ois. ii. p. 55, pi. 219 (1825) ; 



Nutt. Man. Orn. i. p. 662 (1832) [^part., New Jersey, &c.]. 

 Pinnated Grous, Lath. Gen. Si/n. ii. pt. ii. p. 740 (1783) ; Penn. 



Arct. Zool. ii. p. 305 (1785) ; Lath. Gen. Hist. B. viii. p. 237 



(1823). 

 Bonasa cupido, Steph. in Shaw's Gen. Zool. xi. p. 299 (1819) [New 



Jersey and Long Island]. 

 Cupidonia cupido, Baird, B. N. Am. p. 628 (1860) [part.] ; Maynard, 



