126 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Tetrao ruesptris (typog. error or lapsus) Ross, in Parry's Journ. Third Voy., 1826, 

 Appendix, 99. 



Lagopus dispar Ross, Voy. Discovery, ed. 2, ii, 1819, 168 (Dislco, Greenland). 



Lag opus americanus Audubon, Synopsis, 1839, 207 (Melville Island; Churchill 

 River, Keewatin) ; Birds Amer., 8vo. ed., v, 1842, 119, pi. 300 (Churchill 

 River).— Baird, Rep. Pacific R. R. Surv., ix, 1858, 637 (Baffin's Bay); Cat. 

 North Amer. Birds, 18S9, No. 470. 



Lagopus muius americanus Hellmayk and Conover, Cat. Birds Amer., i. No. 1, 

 1942, 205 (syn.; distr.) part. 



Lagopus rupestris, var. occidentalis Sundevall, Ofv. Svensk. Vet.-Akad. Forh., 

 1874, No. 3, 19, part. 



Lagopus rupestris reinhardi American Ornithologists' Union, Check-list, ed. 2, 

 1895, No. 302a; ed. 3, 1910, 141. 



Tetrao reinhardti Walker, Ibis, 1860, 166 (Godhavn, Greenland). 



Tetrao reinhardtii Reinhardt, Journ. fur Orn., 1854, 440, part (Greenland). 



Lagopus reinhardti Brehm, Naumannia, 1855, 287 (Greenland). — Reinhardt, Ibis, 

 1861, 9 (Greenland; crit.). 



[Lagopus^ reinhardti Sharpe, Hand-list, i, 1899, 18 (Greenland; "Labrador"). 



Lagopus rupestris reinhardti American Ornithologists' Union, Check-list, 1886, 

 No. 302a.— Bendire, Life Hist. North Amer. Birds, i, 1892, 78.— Schalow, 

 Journ. fur Orn., 1895, 471 (Ikerasak, nw. Greenland; crit.; descr. eggs). — 

 Chapman, Bull. Amer. Mus. Nat. Hist., xii, 1899, 241 (Disko Island, Nuwatak, 

 and Bowdoin Range, Greenland) .^ — Gibson, Auk, xxxix, 1922, 361 (Inglefield 

 Gulf, near Cape Cleveland, and Five Glacier Valley, n. Greenland, April). 



L[agopus] rupestris reinhardti Ridgway, Man. North Amer. Birds, 1887, 200. 



L[agopus] rlupestris] reinhardti Coues, Key North Amer. Birds, ed. 5, ii, 1903, 

 747 (Ungava). 



LAGOPUS MUTUS WELCHI Brewster 



Welch's Ptarmigan 



Adult male, summer plumage. — Very similar to that of L. m. rupestris 

 but averagiiig less brownish, the brownish areas of the latter being largely 

 grayish in the present subspecies. Above dark brownish gray, vermicu- 

 lated and coarsely spotted with black, many of the feathers tipped with 

 white; breast and sides similar but without the black central blotches 

 to the feathers ; head and neck more coarsely barred with black, grayish 

 white, and pale grayish buff, the lores almost entirely blackish; throat, 

 remiges, except the innermost secondaries, abdomen, and thighs white; 

 under tail coverts dusky grayish tipped with white. 



Adult female, summer plumage. — Similar to that of L. m. rupestris 

 but with still less brownish, being largely black and grayish white above, 

 slightly suffused with buffy below. 



Adult male, autumn plumage. — Slightly more brovraish and less 

 blotched with black than the summer male. 



Adult female, autumn plumage. — Like the adult female in summer but 

 slightly huffier, the pale bars above finer; below more strongly tinged 

 with buffy. 



Adult male, winter plumage. — Like that of L. m. rupestris. 



