542 



SCRATCHliSTG BIRDS— GALLING. 



Genus LAGOPUS, Vieillot. 



/.ojTopus, ViEiLLOT, Analyse, I81C. (Type, Tetrao higopiis, Xj) 



Gen. Char. Nasal crroove densely elotlied with leathers. Tail of sixteen or eighteen 

 feathers. Le"S leathered densely to the elaws. All the American species becoming white 

 in winter. 



L. albits 



Of this genus three, if not four, well-niurked species occur in Xnrtli 

 America, belonging principally to the high north, and especially aliuiidaut 

 in and near the Arctic circle. 



Lagopus leiicurus, Swainson. 



THE WHITE-TAILED PTARMIGAN. 



Tetran {Larjnpiis} Iniciinis:, SwAixsON, Tauna Ror. Amcr. II. I83I, 356 ; pi. Ixiii. — Ncttali., 

 Man. II. 18.34, 612. lit. I. 2(1 cd. lS4n, 820 — Buhd, Birds N. Amcr. 1S58, 636. — 

 Gray, Cat. Gallina\ Br. Mns. 1807, O^.— Trtnw Ininirus, AuDUBON, Orn. Biog. V. 

 1839,200; ]il. 4t8. — Lnr/nptis Imniriis, AiJDUiiON, Syn. 1839. Ib. Birds Amer. V. 

 1842, 125 ; pi. 302. — Elliot, Men. Tetraonid;e, i)]ato. 



Sp. Char. I'.iU slender, rinniatre in siiininer barred with lirownLsh-yelLiw. In win- 

 ter pure white, including the tail leathers. Length, 13 00; wing, 7.00; tail, 4.25. 



