ORDER PASSERES. 225 



[B ^2i^i P'^^'^t C i^()a, part, R i<)^, part, C 228, /arA] 



Geog. Dist. — Salt marshes about San Francisco Bay, and south 

 along the coast in winter to southern California. 



543. Ammodramus beldingi Ridgw. 



Belding's Marsh Sparrow^. 



Fasserculus beldingi Ridgw. Pr. U. S. Nat. Mus. VII. Jan. 19, 



1885, 516. 

 Ammodramus beldingi Ridgw. Pr. U. S. Nat. Mus. VIII. 1885, 



354- 



[B ^7,^, part, C -LC^i^a, part, R \q^, part, C 22?>, partJ] 



Geog. Dist. — Salt marshes of the Pacific coast, from Santa Bar- 

 bara south to Todos Santos Island, Lower California. 



544. Ammodramus rostratus Cass. 



Large-billed SparroTV. 



Emberiza rostrata Cass. Pr. Ac. Nat. Sci. Phila. 1852, 348. 

 Ammodramus rostratus Cass. Illustr. B. Cal. Tex. etc. 1855, 226, 

 pi. 38. 



[B 336, C 160, R 196, C 230.J 



Geog. Dist. — Coast of southern California, south in winter to 

 Cape St. Lucas and northwestern Mexico. 



644 a. Ammodramus rostratus guttatus (Lawr.). 



St. Lucas Sparrow. 



Passer cuius guttatus Lawr. Ann. Lye. N. Y. VIII. 1867, 473. 

 Ammodramus rostratus guttatus Ridgw. Pr. U. S. Nat. Mus. VIII. 

 1885- 355- 



[B — , C i6ofl!, R 195, C 231.] 

 Geog. Dist. — Southern Lower California. 



Subgenus CENTRONYX Baird. 



Centronyx Baird, B. N. Am. 1858, 440. Type, Emberiza 

 bairdii AuD. 



