VOL. XVII, PP. 151-152 OCTOBER 6, 1904 PROCEEDINGS OF THE BIOLOGICAL SOCIETY OF WASHINGTON DESCRIPTIONS OF FOUR NEW BIRDS FROM MEXICO. BY E. W. NELSON. The birds described below were collected by Mr. E. A. Gold man during the spring and summer of 1904 while continuing the work of the Biological Survey in Mexico. Porzana gold man! sp. nov. MEXICAN YELLOW RAIL. Type 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. Geographic distribution. Known only from type locality in the Valley of Toluca, Mexico. Specific characters. Generally similar to P. noveboracensis 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 blackish obscurely streaked with narrow dingy huffy 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 buffy ; the black middle of feathers marked with transverse oblong white spots (usually two on each feather) ; rump blackish with small white spots; primaries dark slaty; secondaries dark grayish with white areas as in noveboracensis ; 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 PROC. BIOL. Soc. WASH. VOL. XVII, 1904. (151)
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