422 



NORTH AMEItlCAN IJIHDS. 



B> Tail noail)' oven, and without any ti-nninal lifjhtor Imml, or clso havinj; it 



badly defiiRMJ. 



Colors, in oilier respects, of var. nhsciir)i.i, l>ut elioeks, etc., less 

 dusky, llab. Koeky Mountains ol' liritisii America, south to the 

 Yellowstone and Ilellgatc region of United States (where grading 

 into var. (»ft.s'CH)'».s) ...... var. r ichurdson i . 



Canace obscurus, vur. obscurus, Say. 



DUSKY GBOUSE. 



Tetmo obseiirits. Say, Long's E.xped. H. Mts. II, 1823, 14. — Box. Mon. Trtrnn, Am. Phil. 

 Tiuns. Ill, im\ ;5itl. — III. Am. Oni. 111,1830, jil. .will. - U.uud, Birds N. Am. 

 1858, 0-20. — .Sci,. r. Z. .S. 1858, 1.— CiiAY, Cut. Brit. Mu,s. V, 1807. 86. — Coop. 

 Orii. Cal. 1, 1870, 520 (in jiart). Vdniice. olmiira, Bonap. Comptes liciulus, XLV, 

 1857, 428. JktiUmijdjnts uhsciirus, Ki.i.ior, P. A. N. S. 1804,23. — In. Jlouog. 

 Ti'traoii. pi. 



Sp. CiiAK. Male (19,101, Doer Creek, Neb., Fob. 13; G. II. Trook.) Ground-color 

 above slaty-black, but this almost completely overlaid by a minute, transverse mottling 



Camirr obsciintn. 



of bluish-!\.sh, — pale brown on .scapulars and secondaries, — mostly on terminal portion 

 of the feather.s. Scapulars with a conspicuous .shall-strcak and terminal spot of white. 

 Terminal band of tail .sharply and abruptly defined, pure pale bluish-ash. and 1.50 inches 

 in width. Tail slightly rounded (about .80). Jiower parts line bluish-a.sliy, becoming 

 lighter posteriorly, mor(> plmiibeous anteriorly. On the sides of the juguliim the feathers 

 snowy-white beneath the surface, and this nmch cxpo.sed, producing a somewhat broken 

 but conspicuous patch. Throat while, with transverse creseentic bars of dusky ; this 

 barred white curving upward to the auriculars, behind a uniformly blackish malar patch ; 

 lores and post-ocular region with distinct white spots, producing an inconspicuous stripe 

 from the bill through the eye. All the feathers of the lower jiarts margined terminally 

 with white, this growing broad on the Hanks and crissinu, the former of which have a 

 more browni.sli and mottled s. ouiid. and broad white .shaft-stripes. Lining of wing 

 almost wholly white. Tarsi ashy-white. Length, 2 LOO; wing, 10.00; tail, 8.00; tarsus, 

 1.80 ; middle toe, 1.80. 



