BIRDS OF NORTH AND MIDDLE AMERICA. 211 



ICotwnlculus pcisserinus'] war. perpallid us Ridgway, manuscript, C'oues, Key N. 

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



Cot urnicidus passer inns . . . \ar. jyerpalUdus Coves, Check 'List, 1873, no. 162o. — 

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

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

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



[Cot I trni cuius passer inus'] b, perpallidus Coues, Birds N. W., 1874, 132 (synonymy). 



Coturmculus passerinus, var. perpallidus Baird, Brewer,' and Ridgway, Hist. N. 

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

 (Colorado). 



Coturniculus passeririus perpallid us Hidgw ay, 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. 198o. — Coues, 

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

 540 (La Paz, Lower California). 



C.[o(urnicuhis p. [asserinus'] pierpalUdus Coves, Key N. Am. Birds, 2d ed., 1884, 

 366. 



Chturn Indus passerinus . . . /3. y>fry?«//;V/H.t Ridgway, Orn. 40th Parallel, 1877, 467 

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

 Valley, Utah, breeding). 



Coturniculus passerinus, f3. perpallidus 'RlT)G^\^A\^, Field and Forest, ii. May, 1877, 

 198 (Colorado). 



Coturniculus perpallidus Yarrow and Hexshaw, Jie\>. Orn. Spec. Wheeler's 

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



Ammodramus savannarxnn jjerpallidus Ridc4Way, Proc. U. S. Nat. I\Ius., viii, sig. 23, 

 Sept. 2, 1885, 355. — Americax Orxithologist's Uxion, Check List, 1886, no. 

 546^/.- Cooke, Bird Migr. iNIiss. Val., 1888. 191 (Dakota, Texas, etc. ).— Ricn- 

 MoxD and Kxowltox, Auk, xi, 1894, 305 (Gallatin Valley, Montana). — Grin- 

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

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

 bia, summer res.). 



A. [nnnodramus'] passerinus perpallidus Ridcjway, Man. N. Am. Birds, 1887, 411. 



Amniodromus savannarum (not Fringillu savannarurn Gmelin) Sharpe, Cat. 

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



Genus AMMODRAMUS Swainson. 



Ainmodrauiux Swainsox, Zool. Journ., iii, 1827, 34S. (Type, Oriolus cduxhicutas 

 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', 

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

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

 {A. h tmslourii) to Y^ry much less {A. maritimiis) than length of gonys; 

 maxillary tomium more or less distinct^ convex in middle portion, more 

 or less deeply incised sub-basally; mandibidar tomium neai'ly straight 



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



