456 



6 



PATAGONIAN EXPEDITIONS! ZOOLOGY. 



Characodon furcidens Jordan & Gilbert, 



Meek, 122. 

 Habitat: Southern Lower California 

 and lowland streams of Jalisco and 

 Colima. 



Chapalichthys Meek. 



Type: Characodon encaustus Jordan & 



Snyder. 

 Range that of the single species. 

 1. Chapalichthys encaustus (Jordan & 



Snyder) Meek, 123. 



Habitat : Basin of the Rio Lerma. 



Cyprinodon Lacepede. 



Prinodon Rafinesque. 



Type : Cyprinodon varie gatus Lace- 

 pede.. 

 Range: Central America nortli to Rio 

 Colorado and Cape Cod, south to the 

 Amazon. 

 1. Cyprinodon bovinus Baird & Girard, 



Meek, 126. 

 C. eximius Girard; C. laiifasciatus 



Garman ; C. elegans Meek. 

 Habitat : Rio Nasas and headwaters of 

 the Rio Mezquital. 

 A2. Cyprinodon amazonus Eigenmann, 



Eigenm., 1894, 627. 

 Habitat : Lower Amazon. 



3. Cyprinodon martcB Steindachner, 



Steind., 1876, 28. 

 Habitat : Near mouth of the Rio Mag- 

 dalena. 



4. Cyprinodon variegatus Lacepede, 



J. & E., 672. 



Esox ovinus Mitchill; Lebias rhotn- 



boidalis Val., Lebias ellipsoidea Le 



Sueur; Cyprinodon gibbosus B. & G. ; 



Trifarcins riverendi Poey. 



5. Cyprinodon dcarborni Meek, 



Meek, 1909, 208. 

 Habitat: CuraQoa, Dutch W. I. 



Pseudoxiphophorus Bleeker. 1 



Pcccilioidcs Steindachner. 



Type : Xipliophorus bimaculatus 



Heckel. 

 Range : Eastern slope of Mexico. 



1. Pseudoxiphophorus bimaculatus 



(Heckel), Meek, 127. 



P. reticulaius Troscli. ; P. b. tccniatus 



Regan. 

 Habitat : Eastern slopes of Mexico 



from Jalapa to Guatemala, up to an 



altitude of 600 feet. 



2. Pseudoxiphophorus jonesi Giinther, 



Regan, 1907a, 260. 

 P. bimaculatus J. & E., non Heck.; 



P. pauciradiatus Regan. 

 Habitat: Orizaba. 



Petalosoma Regan. 



Type: Petalosoma cultratum Regan. 

 Range that of the single species. 

 1. Petalosoma cultratum Regan, 



Regan, 1909^, 458. 

 Habitat: Costa Rica. 



Gambusia Poey. 



Type: Gambusia punctata Poey. 

 Range : Mexico north to the Southern 

 States. 



1. Gambusia punctata Poey, .J. & E., 679. 



Habitat : Fresh waters of Cuba. 



2. Gambusia puncticulata Poey, 



J. & E., 680. 

 Habitat : Fresh waters of Cuba. 



3. Gambusia annectens Regan, 



Regan, 190717, 259. 

 Habitat: Carrullo and Juan Venas, 

 Costa Rica. 



4. Gambusia cpiscopi Steindachner, 



J. & E., 683. 

 Habitat : Ditches at Obispo, Panama. 



1 This genus should according to Regan be merged 

 with Gambusia. 



