NOTES ON A COLLECTION OF FISHES FROM MEXICO, WITH DESCRIPTION OF A NEW SPECIES OF PLATYPCECILDS. By Barton A. Bean, Assistant Curator, Division of Fishes. During the years 1892 and 1894, while exploring for the TJ. S. Depart-ment of Agriculture, Messrs. E. W. Nelson and E. A. Goldman collected eighteen species of fishes in various parts of Mexico. One of the species is here described as new; the others are interesting on account of local-ities, as are Mr. Nelson's observations on AnablepH from Tehuantepec. Tlie collection here recorded was transmitted to the Museum April 20, 1897, forming accession 31947. In 1897 the same collectors procured several additional species of fishes in Mexico, including Agonostomus nasutus, Chirostoma humboldtianum, Heros beani, and Gobius banana. PIMELODUS PETENENSIS Gunther. Three specimens from Santa Maria. No. 45480, U.S.N.M. SYMBRANCHUS MARMORATUS Bloch. A single individual was obtained at Santa Maria, February 14, 1894. No. 45481, U.S.N.M. NOTROPIS (HUDSONIUS) ALTUS Jordan. Two specimens, 8 and 9 inches long, collected in the Rio Quitzeo, August 5, 1892. No. 48212, U.S.N.M. LEUCISCUS NIGRESCENS Girard. Two specimens were obtained in Lake Quitzeo, Michoacan, August 5, 1892, by E. W. Nelson. This is the form described by Girard as Tigoma pulehra, his speci-mens being from the Chihuahua River. The two here noted are 6^ inches long and contain well developed eggs. No. 48211, U.S.N.M. DOROSOMA MEXICANUM (Gunther). D. 14; A. 22-24; scales 39, transverse 11; scutes 15-16 plus 9-10. The length of the head is slightly less than one-third that of the body, without caudal; the depth of the body equals one-third of the length; Proceedings U. S. National Museum, Vol. XXI-No. 1 159. 539
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