23 



teteao::jid^. 



Genus TYMPANUCHUS, Gloger. 

 Tympanuchus americanus (Reichenh.). 



Cupidonia americana, Baedeker, Eler Eur. Vog. tab. 77. fig. 4 (1800-63). 

 Cupidonia ciipido, var. cupido, Baird, Breioer ^ Ridgic. N. Atner. Birds, 



iii. p. 440, part (1874). 

 T^'nipanuclius americanus, Bendire, Life Hist. N. A. Birds, i. p. 88, pi. ii. 



figs. 18-20 (1892) ; Grant, Cat. Birds B. 31. xxii. p. 78 (l»9.'i) ; 



Sharpe, Hand-l. i. p. 20 (1899). 



The eggs of the Prairie-Hen vary from cream-colour to olive- 

 l)uff. Some are perfect!}' unmarked ; others are sprinkled with 

 minute dots and spots of deep reddish brown, chiefly at the small 

 end ; and others again are mottled Avith streaky spots of pale rufous 

 and brown. They measure from 1-65 to 1'75 in length, and from 

 1-22 to 1-3 in breadth. 



(5. lied River Prairie, Canada, 21st N. Amer. Bound. Comm. 

 June (G. M. Dawsnn). 



1. N. America {Hemhaio Coll.). Salvin-Godman Coll. 



2. Wiimebogo, Illinois (J. W. Salvin-Godman Coll. 



Tohnan : Henshaiu Coll.). 

 ."1. Laid in contiuemeut (Zool. Zool. Society. 

 Gardens, London). 



Genus CENTKOCERCUS, Simins. 



Centrocercus urophasianus {Bp.). 



Centrocercus urophasianus, Baird, Brewer ^ Ridqw. N. Amer. Birds, 

 iii. p. 429 (1874) ; Bendire, Life Hist. N. A. Birds, i. p. 106, pi. iii. 

 figs. 11-13 (1892) ; Ora7it, Cat. Birds B. M. xxii. p. 81 (1893) ; 

 Shmye, Hand-l. i. p. 20 (1899). 



The eggs of the Sage-Grouse are of a brownish cream-colour 

 or pale greenish stone-colour, marked all over with spots and 

 small blotches of a deep reddish-brown or chocolate colour. They 

 measure from 2-07 to 2-2 in length, and from 1-45 to L55 in breadth. 



1. N. America (Smiths. L7ist.). Salvin-Godman Coll. 



o. Gilmer, Wyoming Territory Salvin-Godman Coll. 



(H. li. Durkee : Hrnshaw 



Coll.). 



Genus PEDKECETES, Baird. 

 Pedioecetes phasianellus {Linn.). 



Pedicecetes pliasianellus, Ross, Nat. Hist. Rev. 1862, ]>. 283 ; Blakiston, 



Ihi.% I8(i2. p. 8; 1863, p. 124; S/iarpe, Ha7id-l. i. p. 20 (1899). 

 Pediceretes plianianellus, var. phasianellus, Baird, Brnce)- Sf Ridgic. N. 



Amer. Birds, iii. p. 434 (1874). 

 Pediocffites phasianellus. Nelson, Report Nat. Hist. Alaska, p. 139(1887) ; 



Bejidire, Life Hist. N. A. Birds, i. p. 97, pi. iii. figs. 3-5 (1892) ; Grant, 



Cat. Birds B. M. xxii. p. 82 (1893). 



The eggs of the Northern Sharp-tailed Grouse vary in colour 



