O RlSr 1 T H O L O G- Y . 



SYLVICOLID^. 



DENDEOSCA AUDUBO^s'I, [Toicns.) Bd. [No. 70G32J. 



Sylina avdxHwnu, Towns., Jour. Acad. Nat. Sci. Phila., vii, 1837, 190. 

 Sijlricola aacluhonii, Bp., List, 1838, 2ll — AuD, B. Am., ii, 1841, pi. 77. 

 Dendrceca aiidulonn, Bd., B. N. A., 1858, 273. — Couks, Key, 1872,100; Birds Nortliwest, 

 1874, 58.— Bd., Bkew., & Eidg., N. A. Birds, i, 1874,229, pi. xiii, f. 1. 



Locality: mouth of the Colorado Eiver. Immature plnmage; throat 

 scarcely tiuged with yellow. One specimen. 



FE.Ix\GILLID^ 



PASSERCULUS SAVANNA ALAUDINDS, {Bp.) [No. 70G33]. 



Passerculus alaadinus, Bp., Comp. Eend., xsxvii, 1853,918. — Bd., Birds N. A., 1858,446. 

 Passercuhts savanna alandbms, Bd., Bhew., & RiDG., N. A. Birds, i, 1871, 53~, pi. xxiv, f. 



11. — ITiCNSiiAW, Wheeler's Exped., vol. v, 1K75, ZoiJl., 254. 

 Passerculus savanna, Ai.len, Bull. Mus. Comp. Zool., 1872,177. — CouES, Birds North. 



west, 1874, 127 (in part). 



Locality: San Ignacio River, Sonora, Mexico. One specimen. Flew 

 aboard the ship while at anchor, and was captured. 



PASSERCULUS SAVANNA ANTHINUS, {Bp.) Cs. [No. 70034]. 



Passerculus anildnus, Bp., Comp. Eend., sxxvii, 1833, 919. 



Passerculus savanna anlhimis, CouES, Key, 1872, 136. — Bd., Brew., & Eidg., N. A. Birds, 

 i, 1874,539, pi. xxiv, f. 10.— CouES, Birds Northwest, 1874, 128. 



Locality: Todos Santos Islands, Pacific coast of Lower California. 

 One specimen. 



PASSERCULUS ROSTRATUS, {Cass.) Bd. [No. 70635J. 



Emherisa rostraia, Cassin, Proc. Acad. Nat. Sci. Phila., vi, 1852, 348. 

 Ammodramus rosiratus, Cassin, 111. B. Cul. Tex., &c.,i, 1855, 226, pi. 33. 

 Passerculus rosiratus, Baird, Birds N. Am., 1858, 446. — Bd,, Brew., & Eidg., N. A. 

 Birds, i, 1874, 542, pi. 24, f. 12.— Coues, Key, 1872, 136. 



Locality: Todos Santos Islands. One specimen. Inseparable from 

 typical rosiratus of Southern and Lower California (mainland), though 



