TROGLODYTID.K — TIIK WltKNS. 147 



the size of the cavity in which tlie nest is phiced. Its materials are usually 

 sticks, straws, coarse f'eatliers, tine chips, etc., exteriorly iastened toy'ether 

 with masses of spider's-webs, tiie lining being of finer and more downy inat(!- 

 rials, generally soft spider's-webs, tow, and especially the dowuy feathers of 

 barnvard fowls. 



Thryothoriis bewiekii, var leucogaster, Gmiji 



Troglodytes leiu-oyKslm, Goilu, P. Z. S. 1S3(), S9 (Tamaulipa.s). — Bo.v. Notes Delattre, 

 1854, 43. .' Thryothoni.i bcindii, Sci,.\TEl!, P. Z. S. 1859, 372 (Oaxat-i). T/iryoHMnis 

 beitnci'ii, var. Icticogirster, Baiub, Rev. Am. 15. 127. 



Sp. C'h.^h. Above ashy-brown; rump and middle tail-featlu'is browiiisli-a-sh, the for- 

 mer nearly pure ash ; witliout appreciable bars; bars on secondaries obsolete. Beneath, 

 including inside of wing-, pure white, with little or no brownish on the sides. Crissum 

 banded; ground-color of the quills and tail-feathers grayish-brcjwn. Size of var. he.wlckii. 



Hab. Southern borders of t'nitcd States, into Me.xieo. 



Habit-S. Xotliing is on record cjf the habits of tliis variety as distin- 

 "uished from var. bmrkkii. 



Thryotliorus bewiekii, \ar spilurus, Vii;ors. 



Troglodytes spilurii^, Viuulis, Zool. Beechcy'.s Voyage, 1S39, 18, pi. iv, fig. 1 {California). 

 Thryothorus spilurm, CoorEE, Ort^ Cal. 1, 1870, 69. Troglodytes bcxckkii, Newdkiiky, 

 P. E. E. Eept. VI, IV, 1857, 80. —Cooper & Suukley, ib. XII, ii, 1860, 190. Thry- 

 othorits bewiekii, Sclater, Catal. 1861, 22, no. 141 (in part). Thryot/uirics bewiekii, 

 var. sinlurm, Bau-.d, Eev. 12(i. 



Sp. Char. Similar to beirichii in color, the bill considerably longer. Length from nos- 

 tril, .50, gape, .81, instead of .39 and .7t). 

 Hab. Pacihc slope of United States. 



Young birds from all the localities differ from adults merely in ha\'ing the 

 feathers of the throat and breast \ery uarro\\-ly and inconspicuously edged 

 with blackish. 



Habits. This variety of Bewick's Wren is e.xclusively an inhabitant of 

 the Western coast. According to T)r. Cooper, they abound throughout the 

 wooded parts of California and northward, frequenting the densest forests 

 as well as the open groves. During the winter they were found in the vicin- 

 ity of Fort Jlojave, but left in April, proliably for the mountains. They also 

 ■winter throughout the mild regions towards the coast as far north as Puget 

 Sound. They are known as Mocking- Wrens, though Dr. Cooper thinks they 

 do not really imitate other birds, Init rather have a great variety of their own 

 notes, some of which resemble those of other birds and are well calculated 

 to deceive one unaccustomed to them. He was often led to search in vain 

 for some new form, wliirh lie thought he heard singing, only to find it to be 



