296 Fifteenth Supplement to the A. O. U. Check-List. hun 
302/. Lagopus rupestris dixoni J. GRINNELL. 
Dixon’s Ptarmigan. 
Lagopus dixont GRINNELL, Univ. Calif. Pub. Zodl., V. No. 2, 
Feb. 18, 1909, 207. 
337e. Buteo borealis alascensis J. GRINNELL. 
Alaska Red-tail. 
Buteo borealis alascensis GRINNELL, Univ. Calif. Pub. Zodl., 
V, No. 2, Feb. 18, 1909, 211. 
SUBFAMILY POLYBORIN A. 
Admitted as a subfamily, to include Nos. 362 and 363. 
393g. Dryobates villosus terrenove BatcHELDER. 
Newfoundland Woodpecker. 
Dryobates villosus terrenove BaTCHELDER, Proc. New Engl. 
Zool. Club, IV, June 24, 1908, 37. 
581s. Melospiza melodia maxillaris J. GRINNELL. 
Suisun Song Sparrow. 
Melospiza melodia maxillaris GRINNELL, Univ. Calif. Pub. 
Zo6l., V, No. 3, April 9, 1909, 265. 
IJ. ELIMINATIONS. 
[359.1.] Falco tinnunculus Linnamus. Excluded on the basis 
of recent evidence that it was included in the Check-List on 
erroneous information. 
622d. Lanius ludovicianus mearnsi Ripaway. Considered as 
indistinguishable from L. 1. anthonyi. (Cf. Linton, Condor, 
X, 1908, 182.) 
III. CHANGES IN NOMENCLATURE, INCLUDING 
CHANGES IN STATUS. 
{106.2.] Oceanodroma castro (Harcourt). Brackets to be re- 
moved. 
