EIGENMANN : CATALOGUE OF FRESH WATER FISHES. 



419 



1. Hybognathus episcopus (Girard), 



Meek, 48. 



Dionda melanops, couchi, amara, flu- 

 viatilis Girard ; Hybognathus sere- 

 mis, melanops Jordan; Hybognathus 

 punctifer Garman ; Hybognathus 

 civilis Cope; Hybognathus cpiscopa 

 Jordan & Evermann. 



Habitat: Rio Mezquital to Texas. 



2. Hybognathus rasconis (Jordan & Sny- 



der), Meek, 50. 



Habitat: Panuco Basin. 



Leuciscus Cuvier. 



Type : Cyprinus leuciscus Linnaeus. 



Range: Europe, Asia and North 

 America. 

 1. Leuciscus nigrescens (Girard), 



Meek, 55. 



Tigoma pulchella, pulchra Girard; 

 Gila conspersa, nigrescens, modesta 

 Garman ; Leuciscus purpureus Rut- 

 ter; Leuciscus niger Bean. 



Habitat: Headwaters of Rio Mez- 

 quital and northward. 



Falcula Jordan & Snyder. 



Type: Falcula chapalce Jordan & Sny- 

 der. 

 Range that of the single species. 

 1. Falcula chapalae Jordan & Snyder, 



Meek, 58. 

 Habitat: Lerma Basin. 



Aztecula Jordan & Evermann. 



Type : Notropis aztecus Woolman. 

 Range : Central Mexico. 

 Azteca Jordan & Evermann. 

 1. Aztecula vittata (Girard), ..Meek, 59. 

 Notropis aztecus Woolman. 

 Habitat : Valley of Mexico and the Rio 

 Balsas Basin. 



2. Aztecula lermae (Evermann & Golds- 



borough), Meek, 60. 



Habitat : Rio Lerma Basin. 



3. Aztecula mexicana Meek, ..Meek, 61. 



Habitat: Mexican Plateau. 



Notropis Rafinesque. 



Type : Notropis atherinoides Rafin- 

 esque. 

 Codoma, Alburnops, Moniana Girard; 

 Graodus Giinther; Orcella Jordan & 



Evermann ; Nototropis Meek. 



Range: Rio Balsas north through the 

 eastern slope of America. 



1. Notropis calientis Jordan & Snyder, 



Meek, 65. 

 Habitat: Lerma Basin. 



2. Notropis boucardi (Giinther), 



Meek, 67. 

 Graodus nigrotaniatus Giinther. 

 Habitat : Rio Balsas. 



3. Notropis ornatus (Girard). 



Habitat: Rio Mezquital and northward. 



4. Notropis forlouensis Meek, . . Meek, 70. 



Habitat : Rio Panuco Basin. 



Evarra Woolman. 



Type : Evarra eigenmanni Woolman. 

 Range : Valley of Mexico. 



1. Evarra eigenmanni Woolman, 



Meek, 77. 

 Habitat: Valley of Mexico. 



2. Evarra tlahuacensis Meek, . . Meek, 78. 



Habitat: Valley of Mexico. 



Hybopsis Agassiz. 



Type : Hybopsis gracilis Agassiz. 

 Yuriria Jordan & Evermann. 



Range: Rio Lerma northeast through 

 the Mississippi Valley and Cali- 

 fornia? 

 1. Hybopsis altus (Jordan), ..Meek, 81. 

 Habitat : Rio Lerma Basin. 



