BIRDS OP NORTH AND MIDDLE AMERICA 113 



Lagopus alhus (not Tetrao albiis Gmelin) Dall, Proc. California Acad. Sci., v, 

 1874, 274, part (Kiska Island, Aleutian Chain). 



Lagopus rupestris townsendi Elliot, Auk, xiii. No. 1', 1896, 26, part (type from 

 Kiska Island, Aleutian Giain, Alaska; coll. U. S. Nat. Mus.).— American 

 Ornithologists' Union, Auk, xiv, 1897, 119, part (Check-list North Amer. 

 Birds, No. 302d, part) ; Check-list, ed. 3, 1910, 142; ed. 4, 1931, 84.— Macoun, 

 Cat. Can. Birds, 1900, 208 (Kiska and Adak Islands).— Macoun and Macoun, 

 Cat. Can. Birds, ed. 2, 1909, 227 (Kiska and Adak Islands).— Bent, U. S. Nat. 

 Mus. Bull. 162, 1932, 220 (distr.; habits). 



Lagopus rupestris townsendi ? Laing, Victoria Mem. Mus. Bull. 40, 1925, 30 

 Kiska Island). 



[Lagopus] townsendi Sharpe, Hand-list, i, 1899, 19, part (Kiska Island). 



Lagopus rupestris atkheiisis Nelson, Birds Alaska, 1887, 139, part (Kiska Island). 



Lagopus niutus townsendi Peters, Check-list Birds of World, ii, 1934, Zi (distr.).— 

 Hellmayr and Conover, Cat. Birds Amer., i, No. 1, 1942, 208 (syn. ; distr.).— 

 Clark, Smiths. War Background Stud., No. 21, 1945, 78 (Hst birds Aleutians). 



LAGOPUS MUTUS SANFORDI Bent 



Sanford's Ptarmigan 



Adult male, summer plumage. — Like the corresponding plumage of 

 L. m. chamberlaini but paler, the brownish feathers cinnamon-buff to pale 

 tawny and with more ashy grayish feathers on the upperparts. 



Adult female, summer plumage. — Like that of L. m. chamberlaini but 

 averaging very slightly paler; not certainly distinguishable. 



Adult male, autumn plumage. — Like that of L. m. tonmsendi but much 

 more rufescent, the general tone being bright ochraceous-tawny and the 

 dark bars greatly reduced ; the upper tail coverts buckthorn brown with 

 fine dusky vermiculations. 



Adult female, autumn plumage. — Like that of the male but with the 

 dark bars much broader and blacker and with some of the feathers with 

 blackish blotches ; the central pair of upper tail coverts pale ochraceous- 

 buff abundantly marked with broad fuscous oblique bars, the other upper 

 tail coverts more narrowly and more transversely (less obliquely) barred 

 with blackish. 



Other plumages unknown. 



Adult male.— Wing 190-199 (195.2) ; tail 101-121 (110.1) ; bill from 

 anterior end of nostrils 9.7-11.7 (10.5) ; width of bill at gape 12.1-13.2 

 (12.8) ; height of bill at angle of gonys 7.8-8.5 (8.1 mm.).i9 



Adult female.— Wing 181-195 (188.1); tail 101-111 (105.6); bill 

 from anterior end of nostril 8.5-10.8 (9.5) ; width of bill at gape 10.6-12.3 

 (11.6) ; height of bill at angle of gonys 7.4-8 (7.8 mm.).^" 



Range. — Resident on Tanaga and Kanaga Islands, in the Aleutian 

 Islands, Alaska. 



Type locality. — Tanaga Island. 



'* Ten specimens from Tanaga Island. 

 *" Ten specimens from Tanaga Island. 



