350 



ZOOLOGY— BIRDS. 



No. 



Sex. 



?5 



9 ad. 



9 S 



9 ad. 



1 



S ad- 



440 



,Jjun. 



441 



9jun. 



442 



9jun. 



794 



S ad. 



103 



9jun. 



909 



3 



92S 



9 



Locality. 



Denver, Colo 



do , 



Santa Fe, N. Mex 



Fort Wingate, N. Mex 



do 



do 



Gila River, Ariz 



Badito, Colo 



Camp Goodwin, Ariz . 

 Gda River, Ariz 



Date. 



May 9, 1S73 

 May 17, 1S73 

 June !0, 1S73 

 July 15, 1S73 



do 



do 



Sept. 17, 1S73 

 Aug. 9, 1S74 

 Oct. 1, 1874 

 Oct. 4, 1874 



Collector. 



H. W. Henshaw.... 



do 



Dr. C. G. Newberry. 

 H.W. -Henshaw .... 



do 



do 



do 



C. E.Aiken 



H. W. Henshaw.... 

 do 



Wing. 



3-9° 

 3-95 

 3-7^ 

 4.24 

 3-97 

 3-95 

 4.17 



Tail. 



3- z 7 



3- -3 

 3' 3 2 

 3-5- 

 3.2S 



3->5 

 3-45 



Bill. 



0.60 



o-57 

 0.60 

 0.6S 

 o. 62 

 0.65 

 0.59 



Tarsus. 



0.71 

 0.79 

 0.42 

 0.80 

 0.75 



o-73 

 0.77 



CONTOPTIS BOREALIS (Swains.). 

 Olive-sided Flycatcher. 



Tyrannus borealis, Swains. & Rich., Fn. Bor.-Am., ii, 1831, 141, pi. 35. 



Contopus borealis, Bd., Birds N. A., 1S58, 188.— Xantus, Proc. Acad. Nat. Sci. Phila., 

 1859, 190 (Fort Tejon, Cal.).— Heekm., P. R, R, Rep., x, pt. iv, 1S59, 37.— 

 Coop. & Suckl., P. R. R. Rep., xii, pt. ii, 1800, 109.— Cooper, Birds Cal.. 

 i, 1870, 323.— Allen, Bull. Mas. Comp. Z06L, 1872, 179.— Coues, Key N. 

 A. Birds, 1872, 173. — Snow, Birds Kan., 1872, 0. — Aiken, Proc. Bost. Soc. Nat. 

 Hist., 1872, 200 (Wyoming).— MEERIAM, U. S. Geol. Surv. Terr., 1872, 091 

 ( Utah ; Idaho).— Bd., Beew., & RlDG,, N. A. Birds, ii, 1874, 353, pi. 44, f. 1.— 

 Yarroav, Rep. Orn. Specs., 1871, Wheeler's Exped., 1S74, 35. — Yarrow & 

 Henshaw, Rep. Orn. Specs., 1872, Wheeler's Exped., 1874, 22. — Henshaw, 

 An. Lye. Nat. Hist. N. Y., xi, 1874, 7.— Id., An. List Birds Utah, 1872, 

 Wheeler's Exped., 1874, 46.— Id,, Rep. Orn. Specs., 1874, Wheeler's Exped., 

 1S74, 85.— Coues, Birds Northwest, 1874, 243. 



The Olive-sided Flycatcher appears to be much more abundant through 

 the West generally than at the East, and in parts of Utah and Colorado has 

 been found by our parties in considerable numbers. It is a highly charac- 

 teristic bird of the pine region, ranging from about 7,000 feet up to timber 

 line. 



Its favorite perching places are the tops of the high pine stubs. From 

 these stations, it makes frequent sallies after passing insects, and seems 

 rarely to miss its prey. When thus engaged, the clicking noise of its bill 

 may be heard quite a distance. About the first of June, in Southern 

 Colorado, they had all mated, and each pair maintained a most jealous 

 watch over the neighborhood chosen as its summer residence, never allowing 

 the intrusion of the larger birds to pass unnoticed. The loud call notes of 

 the male are at this season almost incessantly repeated. After watching 



