SYNONYMY OF VIREO PUSILLUS 531 



periphery of the nest itself. This is composed of long and slen- 

 der strips of bark, fragments of dry leaves, bits of wood, and 

 various other fragmentary substances. The nest, unlike others 

 of this family, is lined with down, and the fine long hair of 

 some animals, instead of with vegetable stems. The diameter 

 as well as the height of this nest is about two and a half 

 inches." Another nest, however, also described by Dr. Brewer, 

 was lined as usual with grasses and fine plant stems ; and this 

 one was of a different shape, being nearly twice as wide as deep, 

 and with a contracted brim, the opening being only half as much 

 as the outside diameter. The eggs, as described by the same 

 eminent oologist, are from 0.73 to 0.76 in length by 0.52 to 0.56 

 in breadth, pure white in color, sparsely dotted with red around 

 the larger end. 



The Least Greenlet 



Vireo pnsillns 



Vireo bellii, ? Coop. Pr. Cal. Acad. 1861, 122 (Fort Mojave, Ariz.). 



Tireo pusillus, Cones, Pr. Phila, Acad. 1866, 76 (descr. orig. ; near Fort Whipple, Ariz.). 



Bd. Kev. AB. 1866, 360, fig. Coues, Pr. Phila. Acad. 1868, 83 (Arizona). Coop. Am. 



Nat. iii. 1869, 186, 479. Coop. B. Cal. i. 1870, 124. Elliot, "Illust. BNA. pi. 7". Coues, 



Key, 1872, 123, f. 71. Coop. Am. Nat viii.1874, 17. B. B. <& E. NAB. i 1874, 391, pL 17, 



f. 14. Hensh. List B. 



Ariz, 1875, 157. Hensh. 



Zool. ExpL W. 100 



Merid. 1875, 226. 



Kidgw. Rep. Expl. 40th A 



Par. iv. pt iii. 1877, 451 / 1 A / \ 



(Sacramento, Cal.). 



Stevens, Bull. Nutt. 



Club, iii. n. 2, apr. 1878, 



93 (Gila River) . FIG. 64. Vireo pusillus, natural size. 



Least Vireo, Coues, I. c., and Authors. 



HAB. Arizona, chiefly in its lower portions, and California from Sacra- 

 mento to Cape St. Lucas. (Doubtless also portions of Mexico.) 



OH. SP. < $ Remigibus x, l mo 2 di dimidiato ; minimus; alis 

 cauddque cequalibus; cinereo-plumbeus, vix olivaceus, infrct, albus, 

 lateribus vix flavicantibus. 



$ 2 : A very small species, quite like a miniature of V. vidnior in the dull 

 coloration and relative lengths of wings and tail ; more nearly related to 

 V. belli, but differing in coloration, wing-formula, and relative lengths of 

 wing and tail. Above grayish-ash with slight olive shade ; below, including 

 under wing-coverts, white, slightly obscured on the breast, with faint yel- 

 lowish wash on the sides. A whitish line from nostrils over and around eye ; 

 lores slightly darkened ; two wing-bands one stronger than the other and 

 narrow edgings of wings and tail, dull white, sometimes faintly yellowish. 



