Vol. XVII, pp. 151-152 October 6, 1 904 



PROCEEDINGS 



OF THE 



BIOLOGICAL SOCIETY OF WASHINGTON 



DESCRIPTICNS OF FOUR NEW BIRDS FRO:\r MEXICO, 



BY E. W. NELSON. 



The l)ir<ls described below were collected l)y Mr. E. A. Gold- 

 man during- the spring and summer of l!)04 while continuing 

 tlu' work of the Biological Survey in Mexico. 



Porzana goldmani pp. nov. 



MKXICAN YKI.I.OW R.\IL. 



Tijpe No. 193,712, adult male, U.S. National Museum, Biological Sur- 

 vey Collection. From Lerma, Mexico. Collected July 11, 1904, by E. A. 

 Goldman. Original No. 10,994. 



Geograpliic didribution. — Known only from tj-pe locality in the Valley 

 of Toluca, Mexico. 



Sjjecific chnrncters. — Generally similar to P. nnvehnracensh but darker, 

 the wings, flanks, and rump slaty blackish ; white markings on back in the 

 form of transverse spots; bill slenderer. 



Description of type. — Superciliary stripe, sides of head and neck dark 

 bufFy mottled with narrow blackish edgings to feathers ; top of head and 

 nape blackisli obscurely streaked with narrow dingy buffy edges of 

 feathers ; middle of shoulders streaked equally with black and rather dark 

 buffy; sides of shoulders, scapulars and tertials mainly black edged with 

 dark buff"y ; the black middle of feathers marked with transverse oblong 

 wiiite spots (usually two on each feather) ; rump blackish with small 

 white spots; primaries dark slaty; secondaries dark grayish with white 

 areas as in novehoracensis ; wing coverts blackish with small rounded white 

 spots ; chin and throat pale dull buffy shading on lower neck and breast into 

 dark dull buffy with feathers on sides of breast tipped with dusky; belly 

 27— Pkoc. Biou Soc. Wash. Vol. XVII, 1904. (151) 



