EIGENMANN I CATALOGUE OF FRESH WATER FISHES. 



419 



1. Hybognathus episcopus (Girard), 



Meek, 48. 



Dionda melanops, couchi, amara, flu- 

 matilis Girard ; Hybognathus sere- 

 nus, melanops Jordan ; Hybognathus 

 punctifer Garman ; Hybognathus 

 civilis Cope; Hybognathus episcopa 

 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. 

 i. 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 chapalcz Jordan & Sny- 

 der. 



Range that of the single species, 

 i. Falcula chapalae Jordan & Snyder, 



Meek, 58. 

 Habitat: Lerma Basin. 



AZTECULA Jordan & Evermann. 



Type: Notropis aztecus Woolman. 

 Range: Central Mexico. 

 Azteca Jordan & Evermann. 

 i. 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, Montana Girard; 

 Graodus Gunther; 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 (Gunther), 



Meek, 67. 



Graodus nigrotaniatus Gunther. 

 Habitat : Rio Balsas. 



3. Notropis ornatus (Girard). 



Habitat : Rio Mezquital and northward. 



4. Notropis forlonensis 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 I 



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

 Habitat: Rio Lerma Basin. 



