BIRDS OF NOETH AND MIDDLE AMERICA. 211 



[Coturnicuhis passerinus] xht. 2^erpaUi(his Ridgway, manuscript, CouES, Key N. 

 Am. Birds, Oct., 1872, 137, in text ("dry western regions "^). 



Coturniculus paBserinus . . var. perpallidus CouES, Clieck List, 1873, no. 162a. — 

 Henshaw, Rep. Orn. Spec. Wheeler's Surv., 1874, 112 (Camp Grant, Monnt 

 Graham, and Gila R., Arizona); 1876, 240 (Santa Barbara, California, June, 

 July); Zool. Exp. W. 100th Merid., 1875, 257, pi. 1, tig. 2. 



[Coturniculus passerinus] b. pierpallidus Codes, Birds N. W., 1874, 132 (synonymy). 



Coturniculus passerinus, var. i>eipnllidus Bated, Bhewee, and Ridgway, Hist. N. 

 Am. Birds, i, 1874, 556.— Ridgway, Bull. Essex Inst., v, Xov., 1873, 182 

 (Colorado). 



Cotmnicuhis passerinus pei-paHiVius Ridgway, Bull. Essex Inst., vi, Oct., 1874, 171 

 (Sacramento, California, June); vii, 1875, 11 (Carson Valley, Nevada, breed- 

 ing), 30 (Salt Lake Valley, Utah); Nom. N. Am. Birds, no. 198a.— Coues, 

 Check List, 2d ed., 1882, no. 235.— Belding, Proo.U. S. Nat. Mus., v, 1883, 

 540 (La Paz, Lower California). 



C.[oturniculus p. [asserinusl perpallidus Codes, Key N. Am. Birds, 2d ed., 1884, 

 366. 



Coturniculus passerinus . . . /3. pgrpaffirfus Ridgway, Orn. 40th parallel, 1877, 467 

 (Sacramento, California, June; Ruby Valley, Nevada, breeding; Salt Lake 

 Valley, Utah, breeding). 



Coturniculus passerinus, (i. perpmllidus Ridgway, Field and Forest, ii, May, 1877, 

 198 (Colorado). 



Coturniculus perpallidus Yarkow and Henshaw, Rep. Orn. Spec. AVheeler's 

 Surv., 1871-3 (1874), 34 (Nevada). 



Ammodramus savannarum perpallidus Ridgway', Proc. U. S. Nat. JIus., viii, sig. 23, 

 Sept. 2, 1885, 355. — American Ornithologist's Union, Check List, 1886, no. 

 546o.— CooKB, BirdMigr. Miss. Val., 1888. 191 (Dakota, Texas, etc.).— Rich- 

 mond and Knowlton, Auk, xi, 1894, 305 (Gallatin Valley, Jlontana). — Grin- 

 NELL, Pub. ii, Pasadena Acad. Sci., 1898, 36 (Los Angeles Co., California, 

 Aug. 10 to Apr. 30).— Brooks. Auk, xvii, 1900, 107 (Vernon, e. Brit. Colum- 

 bia, summer res. ) . 



A. [mmodramus'] passerinus perpallidus Ridgway, Man. N. Am. Birds, 1887, 411. 



Ammodramus savannar,um (not Fringilla savannarum Gmelin) Shaepe, Cat. 

 Birds Brit. Mus., xii, 1888, 687, part. 



Genus AMMODRAMUS S^Aralnson. 



Ammodramus Swainson, Zool. Journ., iii, 1827, .'US. (Type, Oriolns cmidanitus 

 Gmelin. ) 



Small, conspicuously streaked marsh-sparrows with the tail nearly 

 or quite as long as the wing, much graduated (lateral rectrices much 

 shorter than middle pair), with the rectrices narrow and acuminate; 

 outermost (ninth) primary shorter than seventh. 



Bill variable in relative length and thickness; exposed culmen more 

 than half as long as tarsus, more or less convex basally and terminallj-, 

 but sometimes nearly straight; gonys nearly or quite straight, a little 

 shorter than maxilla from nostril; depth of bill at base barely less 

 {A. henslowii) to \ evY rtmc\i less {A. maritimus) than length of gonys; 

 maxillary tomium more or less distinctly convex in middle portion, more 

 or less deeply incised sub-basally; mandibular tomium nearlj' straight 



'The type, in U, S. National Museum, is from Antelope Island, Great Salt Lake, Utah. 



