186 REVIEW OF AMERICAN BIRDS. [PART I. 
Smith- Collec- Sex When 
sunian| tor’s | and Locality. Gollected Received from Collected by 
No. No. | Age. ; 
2.918 Columbia Riv., Or. | Oct. 28, °35.| S. F. Baird. J. K. Townsend, 
21,923 Camp Moogie, W.'T.| May 21, ’60. | A. Campbell. Dr. Kennerly. 
4.480 Santa Clara, Cal. 1850. Dr. J. G. Cooper. | Dr. J. G. Cooper, 
10,720 Ft. Burgwyn, N. M. aie Dre Wi, WaAnder- |) seis cacts 
492 N. E. Mexico. ovale S. F. Baird. [son.| J. G. Bell. 
8,017 Guatemala. 56+ J Goulds” 5% oie) eis 
(2,918.) Type of species from Mr, Audubon’s collection, 
Dendroica nigrescens. 
Sylvia nigrescens, Townsend, J. A. N. Se. VII, mn, 1837, 191 (Columbia 
River).—Avp. Orn. Biog. V, 1839, 57, pl. 395.—Vermivora nig. 
Bon. ; Nurt.—Sylvicola nig. Aup. B. A. II, pl. 94.—Rhimanphus 
nig. Cas. 1850.—Dendroica nig. Bainp, Birds N. Am. 1858, 270.— 
Scuater, P. Z. 8. 1858, 298; 1859, 374 (Oaxaca; high mountains, 
in March).—Is. Catal. 1861, 30, no. 183.—HeEeERmaAnny, P. R. R. Rep. 
X, 1v, 40.—Cooprer & Sucktry, P. R. R. Rep. XII, mn, 1859, 180. 
? Sylvia halseii, Giraup, Birds Texas, 1838, pl. iii, fig. 1, 9 (suggested 
by Sclater). 
Hab. Western and Middle provinces of U. States. Migratory southward 
into Western Mexico (Oaxaca). 
An autumnal male from Fort Whipple differs only from No. 1,908 
in greater amount of white edging to the wing feathers, wider streaks 
on the sides, and:absence of black on the back. 
Smith- Collee- Sex When 
sonian| tor’s | and Locality. Gollected Received from Collected by 
No. No. Age. : 
7,686 | 378 .. | Ft. Steilacoom,W.T.| May 6, 756. Dr. G. Suckley. Dr. G. Suckley. 
1,908 a & | Columbia Riv., Or. | June16,’35.| 8. F. Baird. J. K. Townseud, 
2,915 a “ May 14, °35. & & 
7,690 ne do | Calaveras Co., Cal. abo Lt. Williamson. Dr. Heermann. 
11,518 80 od | Fort Defiance. AGE Lt. J. C. Ives. Mollhausen. 
31.891 | 8024] @& | San Diego, Cal. April 2, 62. | Geol. Surv. Cal. Dr. J. G. Cooper, 
36,979 | 566 ¢@ | Fort Whipple; Ariz.| Aug. 13,764.) Dr, EB. Cowes. \') Sean 
(1,908.) Type of species from Mr, Audubon’s collection. 
Dendroica caerulescens. 
Motacilla canadensis, Linn. Syst. Nat. I, 1766, 336 (not p. 334, which 
is D. coronata).—Sylvia canadensis, Laru. ; Witson, II, pl. xv, fig. 
7.—Auvp. Orn. Biog. II, pl. 148, 155.—Sauui, P. Z. 8. 1857, 231 (St. 
Domingo).— Sylvicola canadensis, Swains., JARD.; Bon.; Aup. B. A. 
II, pl. 95.—Rhimanphus can. Cas.—Dendroica canadensis, Barrp, 
Birds N. Am. 1858, 271.—Scuater, Catal. 1861, 30, no. 184.—Is. 
P. Z. 8. 1861, 70 (Jamaica).—Gunpu. Cab. Jour. 1861, 326 (Cuba; 
very common). 
