300 Tenth Supplement to the A. O. U. Check-List. Fy 
Syrnium nebulosum helveolum BAncs, Proc. N. Engl. Zodl. 
Club, 1, 1899, 31. 
[B —, C —,R 397a part, C 477 part.| 
Geoc. Dist. — Southern Texas. 
375a. Bubo virginianus pallescens Sronr. 
Western Horned Owl. 
Bubo virginianus pallescens STONE, Am, Nat. March, 1897, 
236. 
This is a new name for Bubo virginianus subarcticus (Hoy) of 
the Check-List, swdarcticus being a synonym of B. 7. arcticus 
(Swains.). Cf Eighth Suppl., Auk, XIV, 1897, 134. 
GENUS RHYNCHOPSITTA Bonar. 
Rhynchopsitta Bonar. Rev. et Mag. Zool. VI, 1854, 149. 
Type, Macrocercus pachyrhynchus SwAinNs. 
382.1. Rhynchopsitta pachyrhyncha (Swains.). 
Thick-billed Parrot. 
Macrocercus pachyrhynchus Swatins. Phil. Mag. I, 1827, 439. 
Rhynchopsitta pachyrhyncha Bonar. Rev. et Mag. Zool. VI, 
1854, 149. 
Groc. Dist. — Central Mexico, northward, casually, to the 
Chiricahua Mountains. (Cf Lusk, Condor, II, 1900, 129.) For- 
merly No. 16 of the Hypothetical List (Check-List, 2d ed., p. 
33°). 
40la. Picoides americanus alascensis (Nrtson). This 
becomes 
Picoides americanus fasciatus Bairp. 
Picoides americanus var. fasciatus Batrp, Cooper’s Bds. Cal. 
Tat S'70; 305. 
Picoides a. alascensis proves to be a synonym of /. a. fascia- 
tus, of earlier date. (Cf. Banos, Auk, XVII, April, 1900, 
128,132.) 
