. BIRDS OF NORTH AND MIDDLE AMERICA. 43 



IHcsperiphona] resperfina CouEs, Key X. Am. Birds, 1872, 127, part. 

 Hesperpliona vcxpcrtina Coues, Proc. Ac. Nat. Soi. Phila., 1866, 80 (Ft. Whipple, 



Arizona). 

 Hesperophona vespcHina Codes, Check List, 2(1 ed. , 1882, no. 189, part. — Beewstee, 

 Bull. Nutt. Orn. Club, vii, 1882, 227 (Walla Walla, e. Washington) .—Scott, 

 Auk, ii, 1885, 174: (s. Arizona). 

 H.[espcriiphoiHi^ respieriina Coues, Key N. Am. Birds, 2d ed., 1884, 342, part. 

 Hesperiphona vespertma, var. montana Ridgway, Bull. Essex lust., v, Nov., 187.3, 

 181 (Colorado; nomennudumj). — Baied, Beewek, and Ridgway, Hist. N. Am. 

 Birds, i, 1874, pi. 22, fig. 4. 

 IHesperiphona respertina} var. montana Ridgway, in Baird, Brewer, and Ridg- 

 way's Hist. N. Am. Birds, i, 1874, 449, part^ (type from Cantonment Bur- 

 gwyn, New Mexico; U. S. Nat. JMus.). 

 \_Hesperiphona vespertina.'] Var. montana Baird, Brewer, and Ridgway, Hist. N. 



Am. Birds, i, 1874, 450, in text. 

 Hesperiphona vespertina montana Goode, Bull. U. S. Nat. 3Ius., no. 20, 1883, 323. 

 C'occothraustes vespertina montana Meaens, Auk, vii, July, 1890, 246 (crit. ; descr.), 

 258 (Ft. Verde, Arizona).— Meeeiam, North Am. Fauna No. 5, 1891,101 

 (head waters Payette R., centr. Idaho, July). 

 Coccothraustes vespertinus montanus American Oenithologists' Union Committee, 

 Auk, viii, Jan., 1891, 85, part; Check List, 2d ed., 1895, No. 514 a, part. — 

 Fishee, North American Fauna No. 7, 1893, 79 (Auburn, California, 

 Oct.).— Lowe, Auk, xi, 1894, 269 (Wet Mts., Colorado, 10,000 ft.).— 

 Meeeill, Auk, XV, 1898, 14 (Ft. Sherman, Idaho, May to July 29).— 

 SwAETH, Bull. Coop. Oru. Club, i, 1899, 95 (summit Mt. Wilson, Los 

 Angeles Co., California, Oct. 30). 

 C.[pccoth.raustes\ vespertinus montanus Ridgway, Man. N. Am. Birds, 2d ed., 1896, 

 601, part. 



HESPERIPHONA VESPERTINA MEXICANA (Chapman). 

 MEXICAN EVENING GKOSBEAK, 



Similar to If. v. montana, but bill smaller and more slender; adult 

 male with yellow frontal band narrower,^ and adult female with color 

 of the pileum decidedlj^ darker. 



Adult wirtA/.— Length (skins), 165.10-175.26 (170.18); wing, 109.22- 

 112.27 (111.25); tail, 64.77-70.61 (66.80); oiilmen, 19.56-20.83 (20.32); 

 depth of bill at base, 13.97; width of mandible at base, 12.70-13.21 

 (12.70); tarsus, 20.32-21.69 (21.08); middle toe, 17.78-19.05 (18.03); 

 width of yellow frontal band, 5.08-6.86 (5.59).' 



Adult female.—L&ngih [skins), 154.94-160.02 (157.73); wing, 106.43- 

 109.73(107.95); tail, 61.72-64.52 (63.25); culmen, 18.54-20.32 (19.81); 



' First characterized (but unfortunately not named) by Professor Baird in Cooper's 

 Ornithology of California (1870, p. 175), and a colored figure of the head of the adult 

 male (the same as that afterwards published in History of North American Birds) 

 given, the form being referred to as one of "two strongly marked varieties" which 

 had been differentiated b}^ me. 



^ Varying from 5.08 to 6.86, averaging 5.59. 



^ Four specimens. 



