PASSEIIES SYLVICOLIOAE DEUDfiOICA OCCIDENTALS. 201 



DENDKO1CA OCCIDENTALS (Towus.). 

 Western Warbler. 



Sylria occidentuUs, TOWNS , Jour. Acad. Nat. Sci. PLila., vii, ii, 1837, 190 (Columbia 



River). 

 Dcnclroica occidental!*, BD., Birds N. A., 1858, 268. COOP. & SUCKL., P. E. Ii. Rep., 



xii, pt. ii, 1860, 178. BD., Eev. Aiu. Birds, 4, 18C5, 183. COUES, Proc. 



Acad. Nat. Sci. Phila,, I860, 69 (Fort Whipple). COOPER, Bii-ds Cal., i, 



1872, 92. COUES, Key N. A. Birds, 1872, 97. BD., BREW., & liiDG., N. A. 



Birds, i, 1874, 266, pi. xii, f. 5. 



The Western Warbler was met with at the same time and place, and 

 under precisely the same conditions, as the last species, and at this season 

 the habits of the two are so alike that at the distance at which they were 

 iisually seen it was impossible to distinguish them with anything like cer- 

 tainty. Indeed, the two species associated together, and were found in the 

 same trees. 



PEUCEDRAMUS, Coues, nov. gen. 

 TYPE. Sylvia oliracea, Giraud. 



" General aspect of Dcndroica. Tongue much as in that geuus, but larger, with 

 revohiti- edges, cleft tip, and laciuiate for some distance from the end ; wings elon- 

 gated, half as long again as the tail (in Dcndroica but little longer than the tail), reach- 



