3G0 



ZOOLOGY— BIRDS. 



(favivcutris). This latter bird I have often seen in the spring in IMassaclui- 

 setts, and can speak with certainty of the exact simikirity of their habits and 

 motions, a similarity still further borne out in the close resemblance of 

 the two birds. If distinguishable as a race, the western variety appears not 

 to have undergone a very marked differentiation, and the characters assigned 

 to it seem not to be very trenchant. 



Locality. 



Rio Grande, Colo . . . . 

 Fort Wingate, N. Mex 

 Inscription Rock, N. 



Mex. 

 South Apache, N. Mex 

 Willow Spring, Ariz.. 



do 



Mount Graham, Ariz . 

 Camp Bowie, Ariz 



June 14, 1873 

 July 18, 1873 

 July 23, 1873 



Sept. 8, 1873 

 July 13, 1874 

 do 



Aug. 3, 1874 

 Aug. 8, 1874 



H. W. Henshaw. 



do 



do 



do 



do. ... 



do 



do 



J. M. Rutter . 



Wing. 



2.57 

 2.95 

 A 54 



2.60 



2-93 

 2.95 

 2.76 

 2.58 



EMPIDONAX OBSCUKUS (Swains.). 

 "Wright's Flycatcher. 



Eiiipidonax obsctirus, Bd., Ives' Col. Exped., 1857-58, pt. iv, 5. — Id., Birds N. A., 1858, 

 2()()._W., U.S.& Mex. Boinid. Siirv., ii, pt. ii,185J),Bird.s, 9, pi. xi, f. 3.— M, 

 Proc. Acad. Nat. Sci. Pliila., 1859, :W6 (Cape Saint Lucas). — CouEs, Pioc. 

 Acad. Nat. Sci. Pbila., 18GG, 62 (Fort Whipple, Ariz.).— COOPEK, Bird.sCal., 

 i, l.S7(», 3L'9. 



£wj)iV/(>H((.r o/Mci/rH.v, Allen, Bui. Mus. Conip. Zoiil., 1872, 179 (Montana; Colorado; 

 Ogden, Utah). — CoUES, Key N. A. Bird.-*, 1.S72, 170. — AiKEN, Proc. Post. 

 Soc. Nat. 11 ist., 1872, 20(} (Colorado). — Yakkow, Pep. Orn. Specs., 1871, 

 Wheeler's Exped., 1871, .'>5. — Bd., Bkew., & Hidg., N. A. Birds, ii, 1S74, 

 ;581, 1)1. 11, f. (!. — Yaruow & Henshaw, Hep. Orn. Specs., 1872, Wheeler's 

 Exped., 1874, 22.— Henshaw, An. Lye. Nat. Oist. N. Y., xi, 1874, 8.— 

 Id., An. List Birds Utah, 1872, Wheeler's Exped., 1874, 47.— Irf., Pep. Orn. 

 Specs., 1873, Wheeler's Jixped., 1874, (JO, S7. — CoUKS, Birds Northwest, 

 1874. 258. 



This species is found in both the Middle and Southern Regions, and in 

 many localities is an abundant summer resident, while in others it appears 

 to be almost entirely wanting. In Utah, we obtained but a single specimen; 

 in Eastern Nevada, two. In the Wahsatch and Uintah Mountains, how- 

 ever, Mr. Ridgway found it a lunuerous .species, and I have had a similar 



