A REPORT ON FISHES COLLECTED IN MEXICO ANT) CENTRAL AMERICA, 
WITH NOTES AND DESCRIPTIONS OF FIVE NEW SPECIES. 
By BARTON WARRBN EVERMANN and EDMUND DEE GOBDSBOROUGH. 
During the past ten years Messrs. E. W. Nelson and E. A. Goldman, of the 
Division of Biological Survey, Department of Agriculture, have spent much time 
in Mexico and Central America making collections of mammals and Girds. Inci- 
dental to their regular work these gentlemen have been able, from time to time, to 
make several small collections of fishes, which have been referred to the Commission 
of Fish and Fisheries for identification. Certain of these collections* have already 
been reported upon. 
In April and May, 1900, Mr. Nelson and Mr. Goldman made a considerable 
collection in the State of Tabasco at Montecristo and Teapa. The specimens from 
Montecristo came from the Rio Usumaeinta, and those from Teapa from the Rio 
Teapa. A few specimens were obtained at Frontera, on the Gulf of Campeche, at 
the mouth of the Rio Grijalva. 
Montecristo is situated on the Rio Usumaeinta some 125 miles from the sea. 
This is the largest river in Mexico, it being about 300 yards from bank to bank at 
Montecristo. The fishes obtained at this place were secured by means of a seine 
hauled in a shallow cove behind a sand bar. The seine was hauled at night, and 
several species obtained. The fishermen say that in the daytime the fish remain in 
the deeper water of the river, coming out into shallow water only during the night. 
The collection from this place contains 21 specimens, representing 10 species, the 
most interesting of which are 2 specimens of a new species of bagre or cat-fish 
belonging to a genus ( Conorkynchos ) not previously known to be represented in 
waters north of Brazil, and a specimen of the fresh-water drum {Ajplodinotus grun- 
niens). 
Teapa is at the base of the mountains on the Rio Teapa, a tributary of the Rio 
Tapijulapa, about 125 miles inland. Eight specimens of fishes were obtained here, 
representing 6 species, among them a new species of CichJasouia. 
I'n February and March, 1901, another interesting collection was made by Messrs. 
Nelson and Goldman in Yucatan, chiefly at Chiehen Itza, Progreso, Puerto M fir el os, 
Mujeres Island, and Cozumel Island. 
Chiehen Itza is an interesting hacienda in the interior of Yucatan, about 110 
miles from the sea. In this region, as well as elsewhere over the greater part of 
Yucatan and northern Campeche, there are no streams or surface water of any kind, 
* Notes on Fishes collected by E. W. Nelson on the Tres Marias Islands, and in Sinaloa and Jalisco, Mexico, by Barton 
Warren Evermann. <Proc. Wash. Biol. Soc., xii, pp. 1-3, 1898 (January 27). 
Notes on a collection of Fishes from Mexico, with description of a new species of Platypoecilus, by Barton A. Bean. 
<Proe. U. S. N. M., XXI, 1898, 539-542. 
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