Mite Tenth Supplement to the A. O. U. Check-List. 309 
7o8c. Hylocichla ustulata alme Operu. 
Alma’s Thrush. 
Ly locichla ustulata alme OBERHOLSER, Auk, XV, Oct. 1898, 
304. 
[B—,C—, R—,C—.] 
Groc. Dist. —Yukon Basin, south to the Rocky Mountain 
region, and west to Utah and eastern Nevada. 
761. Merula migratoria achrustera BarcurLpER 
Southern Robin. 
Merula migratoria achrustera BATCHELDER, Proc. N. Engl. 
Zool. Club, I, 1900, 104. 
[B 155 part, C x part, R 7 part, C 1 part.| 
GrEoc. Dist. — The Carolinas and Georgia. 
765a. Saxicola cenanthe leucorhoa (GMEL.). 
Greenland Wheatear. 
Motacilla leucorhoa GEL. S. N. I, ii, 1788, 966. 
Saxicola enanthe leucorhoa STEJNEGER, Proc. U. S. Nat. 
Mus. XXIII, No. 1220, 1901, 476. 
[B 157 part, C 15 part, R 21 part, C 26 part] 
Groc.. Distr, — Greenland, adjacent portions of North America, 
and Iceland, migrating, by way of the British Islands and 
France, to western Africa, 
The North American range of \S. enanthe is thus restricted to 
Alaska, (Cf. STrynecrr, 7. ¢, and Auk, XVIII, April, IgOl, 
187.) 
II. PROPOSED CHANGES IN NOMENCLATURE NOT 
ACCEPTED, 
Gavia Forster, 1788, vs. Gavia S. G. Gmelin, 1770 (Ninth 
Supplement, Auk, XVI, 1899, p. 98. Cf. REICHENOw, Orn. 
Monatsb. VIII, Sept. 1900, eqn) 
