204 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



CluTi, vii, 1882, 145 (Tucson, Arizona, Apr. 26; measurements, etc.); Bull. 

 Mus. Comp. Zool., xli, 1902, 177 (Triunfo, Lower California, 1 spec, Apr., 

 San Jose del Cabo, 1 spec, Nov. 10). — Beldixg, Proc U. S. Nat. Mus., vi, 

 1883, 343 (Guaymas, Sonora).— Gadow, Cat. Birds Brit. Mus., viii, 1883, 

 300.— Scott, Auk, ii, 1885, 321-326 (full biography).— American Ornitholo- 

 gists' Union, Check List, 1886, no. 634.— MoRcoir, Bull. Ridgw. Orn. Club, 

 no. 2, 1887, 51 (Cajon Pass, s. California, breeding; descr. nest). — Cooke, 

 Bird Migr. Miss. Val., 1888, 237 (w. Texas.).— Anthony, Auk, ix, 1892, 367 

 (Apache, s. \v. New Mexico). — Fisher, North Am. Fauna, no. 7, 1893, 117 

 (Grapevine Mis., s. Nevada). — Nehrling, Our Native Birds, etc., i, 1893, 

 313.— Bailey (Florence M.), Handb. Birds W. V. S., 1902, 400. 



Vireo vicinior cnlifornicus STEPnEfis, Auk, vii, Apr., 1890, 159 (Riverside, s. Cali- 

 fornia; coll. F. Stephens). 



[ Vir€o'\ riciaior Gray, Hand-list, i, 1869, 381, no. 5755.- — Coues, Key N. Am. Birds, 

 1872, 122. 



V[_ireo'] ricinior Coues, Key N. Am. Birds, 2d ed., 1884, 334. — Ridgway, Man. 

 N. Am. Birds,- 1887, 478. 



VIREO NANUS Nelson 

 DWARF VIREO. 



Adult male. — Above plain deep mouse gray, slightl}^ tinged with 

 olive-green, especially on rump and upper tail-coverts; wings and tail 

 dusky with light yellowish olive-green edgings, these pale olive-gray 

 on remiges; middle and greater wing-coverts tipped with grayish 

 white, producing two narrow l)ut rather distinct bands across wing; 

 superciliar\' stripe, ending a little behind eye, grayish white; rest of 

 sides of head similar in color to pileum l)ut slightly paler; under parts 

 white, faintly shaded with grajdsh on chest and sides of breast, but 

 not on hinder portion of sides nor on flanks; axillars and under wing- 

 coverts yellowish white; inner webs of remiges and rectrices edged 

 with yellowish white; bill l^lack; legs and feet dusky (in dried skins); 

 length (skin), 98; wing, 53; tail, 43; exposed culmen, 10; tarsus, 17; 

 middle toe, 9. " 



Southwestern Mexico, in State of Mic;hoacan (Querendaro). 



Vireo nanus Nelson, Proc Biol. Soc. Wash., xii, Mar. 24, 1898, 59 (Querendaro, 

 Michoacan; coll. V. S. Nat. Mus.). 



VIREO BELLII BELLII Audubon. 

 BELLS VIREO. 



Adults [sexes oliJce). — Pileum and hindneck dull grayish brown, 

 sometimes tinged with olive; rest of upper parts dull olive-green or 

 greenish olive, rather brighter on rump and upper tail-coverts; wings 

 and tail deep grayish brown (hair brown) with paler edgings, these 

 more olive-greenish on outer webs of rectrices; middle and greater 

 wing-coverts (except the innermost) tipped with dull whitish, form- 



« Measurements of the type specimens. 



