BIKDS OF NORTH AND MIDDLE AMEKICA. 247 



stripe; back and scapulars buffy grayish brown, broadl}' streaked with 

 chestnut, but without distinct (if any) dusky shaft-sti'eaks; tail light 

 cinnamon-brown or deep wood brown; sides of head and neck and most 

 of under parts pale buffy hair brown or pale broccoli brown , the chin, 

 throat, supraloral line, narrow orbital ring, malar stripe, and abdomen 

 paler, but not approaching white; a chestnut postocular streak and a 

 distinct black submalar streak. 



Young. — Much like adults, but pileum dull bi"own,obsoletely streaked 

 with darker; back more narrowly streaked with darker brown; chest 

 narrowly streaked with dusky brown, and submalar streak indistinct 

 or obsolete. 



Adtdf male.— Ijength (skins), 127.00-140.97 (136.65); wing, 55.88- 

 60.96 (59.18); tail, 57.15-67.31 (63.60); exposed' culmen, 10.41-12.70 

 (11.43); depth of bill at base, 5.08-6.35 (5.59); tarsus, 19.05-20.57 

 (20.07); middle toe, 13.97-15.24(14.99).' 



Adult female.— Ijength (skins), 127.00-132.08 (130.05); wing, 55.37- 

 58.42 (57.40); tail, 58.93-66.04 (62.48); exposed culmen, 10.92-12.70 

 (11.94); depth of bill at base, 5.08-5.84 (5.33); tarsus, 19.05-20.32 

 (20.07); middle toe, 13.97-15.24 (14.48).' 



California and northern Lower California; north to Marin County, 

 Calaveras County, Sacramento County (Cosumnes River), etc. ; south 

 to San Pedro Martir Mountains (foothills); Santa Catalina Island, Santa 

 Barbara group. 



Ammodromus ruficeps Cassin, Proc. Ac. Nat. Sci. Phila., vi, Oct., 1852, 184 (Cosum- 

 nes R. or Calaveras R.,' centr. California; coll. Acad. Nat. Sci. Phila. ) ; Illustr. 

 Birds CaL, Tex., etc., 18.54, 135, pi. 20. — Heermann, Journ. Ac. Nat. Sci. 

 Phila., 2d ser., ii, 18.52, 266 (Calaveras R. ) . 



Ammodramus ruficeps Heermann, Rep. Pacific R. R. Surv., x, pt. iv, 1859, 49 

 (Cosumnes R. and Calaveras R., Cal. ). 



[Ammodramus'] ruficeps Gray, Hand-list, ii, 1870, 96, no. 7429. 



Peucaea ruficeps Baird, Rep. Pacific R. R. Surv., ix, 1858, 486, 925 (Calaveras R., 

 Fort Tejon, and San Francisco, California); Cat. N. Am. Birds, 1859, no. 372. 



Peuca'a ruficeps Xantus, Proc. Ac. Nat. Sci. Phila., 1859, 192 (Fort Tejon). — 

 Cooper, Cm. Cal., 1870, 218, part (Cosumnes R. ; San Francisco; Santa Cata- 

 lina I.); Proc. Cal. Acad. Sci., 1870, 78 (Santa Catalina I.) . — Coues, Check 

 List, 1873, no. 171; 2d ed., 1882, no. 255. — B.aird, Brewer, and Ridgway, 

 Hist. N. Am. Birds, ii, 1874, 45, pi. 28, fig. 6.— Belding, Proc. U. S. Nat. Mus., 

 1,1878,418 (Murphy's, Calaveras Co.,1 spec. Dec. 13). — Brewster, Bull. 

 Nutt. Orn. Club, ii, 1877, 37 (Marin Co.; descr. nest and eggs); iv, 1879, 40 

 (descr. young); 47 (Marin Co.; habits and distribution). — Belding, Proc. 

 U. S. Nat. Mus., i, 1879, 418 (Murphy's, Calaveras Co., Dec.).— Ridgway, 

 Nom. N. Am. Birds, 1881, no. 230.— Senneti-, Auk, v, 1888, 41 (crit. ).— Amer- 

 ican Ornithologists' Union, Check List, 1886, no. 580, part. — Evermann, 

 Auk, iii, 1886, 182 (Ventura Co.).— Sharpe, Cat. Birds Brit. Mus., xii, 1888, 



'Eleven specimens. 

 ' Six specimens. 



'Although the locality is given as simply "California," the species was based upon 

 specimens collected by Dr. A. L. Heermann at one of the two places mentioned above. 



