ANNALS 



LYCEUM OF NATURAL HISTORY, 



I.— Descriptions of New Species of Birds from Mexico, Cen- 

 tral America, and South America, with a Note on Ral- 

 lus longirostris. 



By GEO. N. LAWKENCB. 



Read January 30th, 1871. 



Some of the birds described in this paper were obtained by 

 the late Col. A. J. Grayson, of Mazatlan, most of tlieni on the 

 Island of Socorro, off the Pacific coast of Mexico. Col. Gray- 

 son's collection, with others made in Northwestern Mexico, were 

 kindly placed in my hands by Prof. Henry, of the Smithsonian 

 Institution, for examination, with a view to furnishing a cata- 

 logne of them, in which the notes of Col. Grayson are to be 

 incorporated. As some time will elapse before this can be pre- 

 pared and published, I have thought best, preliminary to its 

 appearance, to describe the new species. 



Several of the species have MS. names given them by Prof. 

 Baird, wJiich in all such cases have been retained. 



1. Marpor]iynclMi§ sraysoni, Baird, MS. 



Male. Above of a rather dull reddish-brown, the front paler, a 

 blackish spot in front of and under the eye ; chin, upper part of 

 throat and sides of the head pale ochreous, the latter marked with 

 narrow faint dusky bars; tail dark liver-brown, the outer three 



FEBRUARY, 1871. 1 ^^. L^^, N^^_ ^IST., VOL. X. 



