GROUS. 



223 



GENUS LXIL— GROUS. 



* With Four Toes. 



1 Wood 



2 Sharp-tailed 



3 Black 

 A Var. 

 B Var. 



4 Hybrid 



5 Spotted 



6 Ruffed 



7 Pinnated 



8 Ptarmigan 



9 Rock 



10 Hazel 



11 Helsingian 



12 Nemesian 



13 Birch 



14 Willow 



15 Rehusak 



16 Red 



* * Back Toe incomplete. 



17 Pintailed 

 A Var. 



18 Namaqua 



19 Senegal 



20 Libyan 



21 Sand 

 A Var. 



B Aragonian 



22 Surinagur 



23 Bahtah 



24 Double-banded 



25 Indian 



*** Back Toe wanting. 



26 Heteroclite 



27 Gooto 



1 HE bill in this Genus is convex, strong, and short. 



Above each eye a naked skin. 



Nostrils small, hid in the feathers. 



Tongue pointed at the end. 



Legs strong, feathered to the toes, and sometimes quite to the 

 claws. 



The toes of several pectinated on the sides. 



* WITH FOUR TOES. 



1.— WOOD GROUS. 



Tetrao Urogallus, Ind. Orn. ii. 634. Lin. i. 273. Faun. suec. No. 200. Id. Retz. 

 No. 183. Gm. Lin. i. 746. Scop. i. No. 169. Brun. No. 194, 195. Muller, 

 No. 221. Borowsk. ii. 186. Schcef. el. t. 42. Id. Hist. Lapl. 344. Frisch, t. 

 107, 108. Kramer, 356. Georgi, p. 172. Rait, 53. A. 1. Will. 123. t. 30. 

 Mus. Lev. 223. t. 54. Tern. Man. d'Orn. 286. Id. Ed. ii. 457. Id. Pig. Sf 

 Gall. 8vo. iii. p. 114. Id. Tab. Anat. is. f. 1. 



