SUPPLEMENT. 19 
[B 115, part, C 267 a, part, R 3674, part, C 400, part. ] 
Has. “ Dakota to Texas, in any treeless country.” 
ad. Additional Genus (p. 248). 
Genus CALLOTHRUS Cassin. 
Callothrus Cass. Proc. Ac. Nat. Sci. Phil. 1866, 18. Type, Psaroco- 
lius e@neus WAGL. (Cf. RipGcw. Man. N. Am. B. 1887, 589.) 
e. Additional Subgenera. 
Suncenus TACHYTRIORCHIS Kaur (p. 189). 
Tachytriorchis Kaur, Class. Saiug. u. Vog. 1844, 123. Type, Falco 
pterocles TEMM. = Buteo albicaudatus VIEILL. (Cf. RipGw. Man. 
N. Am. B. 1887, 237.) 
Suscenus NUTTALLORNIS Rinew. (p. 233). 
Nuttallornis RipGw. Man. N. Am. B. 1887, 337. Type, 7yrannus 
borealis SWAINS. 
SunGENUS BURRICA Rinew. (p. 256). 
Burrica Ripew. Man. N. Am. B. 1887, 390. Type, Fringilla mexi- 
cana MULL. 
II. ELIMINATIONS. 
22. Synthliboramphus wumizusume (TEMm.). 
Temminck’s Murrelet. 
Not North American. (Cf STEJNEGER, Proc. U. S. Nat. Mus. IX. 
1886, 524.) 
290. Colinus graysoni (Lawr.). 
Grayson’s Bob-white. 
Extra-limital, the alleged Arizona specimens proving to be C. ridgwayz 
Brewst. (Cf ALLEN, Bull. Am. Mus. Nat. Hist. I. No. 7, July, 
1886, 273, and RipGw. Man. N. Am. B. 1887, 585 ) 
