198 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Passerculus savanna . . . var. anUdnm CouES, Check List, 1873, no. 159o, part. 



Passercuhi^ savanna, var. anthinus Baied, Beewee, and Bidgway, Hist. N. Am. 

 Birds, i, 1874, 539, part, pi. 24, fig. 10. 



[Passerculus savanna} b. anthinus CouES, Birds N. W., 1874, 128, part. 



Passerculus sandvicensis anthinus CouES, Check List, 2d ed., 1882, no. 228, part. 



P. [cmerculus'] s. [andvicensis] anthinus Codes, Key N. Aro. Birds, 2d ed., 1884, 363, 

 part. 



(?) Passerculus alaudinus (not of Bonaparte?) Heeemann, Rep. Pacific R. R. 

 Surv., X, pt. iv, 1859, 49 (Benicia, California). 



Passerculus aandwichends bryanti Ridgway, Proc. U. S. Nat. Mus., vii, no. 33, 

 Jan. 19, 1885, 517 (Oakland, California; U. S. Nat. Mus.). 



Ammodramus sandmichensis bryanti Ridgway, Proc. U. S. Nat. Mus., viii, sig. 23, 

 Sept. 2, 1885, 354.— Wichs, The Avifauna, i, 1885, 27 (San Francisco, Cali- 

 fornia; descr. nest and eggs). — Ameeican Genithologists' Union, Check 

 List, 1886, no. 542c.— Fishee, North Am. Fauna, no. 7, 1893, 86 (coast, 

 Santa Barbara to Carpentaria, Dec). — Swaeth, Condor, iii, 1901, 17 (San 

 Pedro, California, Dec. 10). 



A.[mmodramus'] sandwichensis bryanti Ridgway, Man. N. Am. Birds, 1887, 409. 



Passerculus sandwichensis (not Emberiza sandwicherms Gmelin) Shaepe, Cat. Birds 

 Brit. Mus., xii, 1888, 674, part. 



Ammodramus sandwichensis brunnescens Butlee, Auk, v, July, 1888, 265 (Valley 

 of Mexico, Nov. ; coll. A. W. Butler) . 



PASSERCULUS BELDINGI Ridgway. 

 BELDING'S MAESH SPARROW. 



Similar to I^. sandwichensis irycmti, but still darker in coloration, 

 the under parts more heavily and more extensively streaked with 

 black, the upper parts more olivaceous and more uniform; wing and 

 tail averaging shorter, but bill larger; legs and feet darker (grayish 

 brown). 



Adults {sexes cdike). — Above olive, streaked with black, the streaks 

 very broad on dorsal region; pileum with an indistinct median lighter 

 narrow stripe; under parts white, or bufi'y white, the entire chest, 

 breast, sides, and flanks broadly streaked with black, these streaks, in 

 winter plumage, suffused terminally with olive-brownish; under tail- 

 coverts with concealed dusky wedge-shaped mesial streaks. 



Adult mfflfe.— Length (skins), 115.32-139.70 (12i.71); wing, 64.01- 

 71.63 (67.31); tail,, 46.99-50.80 (48.77); exposed culmen, 10.41-12.70 

 (11.18); depth of bill at base, 6.60-7.37 (6.86); tarsus, 20.07-22.35 

 (20.83); middle toe, 15.24-15.75 (15.49).' 



Adultfemcde.~L,ength (skins), 110.49-139.70(122.68); wing, 60.96- 

 67.56 (62.99); tail, 42.42-46.48 (43.94); exposed culmen, 10.16-11.43 

 (10.67); depth of bill at base, 5.59-6.60 (6.10); tarsus, 18.29-20.57 

 (19.81); middle toe, 14.73-15.49 (14.99).'' 



Salt marshes of southern California and Lower California, from 

 Santa Barbara to San Quentin Bay and Todos Santos Island. 



^ Seven specimens. ^ Eight specimens. 



