456 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



6. 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, 

 i. Chapalichthys encaustus (Jordan & 



Snyder) Meek, 123. 



Habitat: Basin of the Rio Lerma. 



CYPRINODON Lacepede. 



Prinodon Rafinesque. 



Type : . Cyprinodon variegatus Lace- 

 pede.. 



Range: Central America north to Rio 

 Colorado and Cape Cod, south to the 

 Amazon, 

 i. Cyprinodon bovinus Baird & Girard, 



Meek, 126. 

 C. eximius Girard; C. latifasciatus 



Carman ; C. elegans Meek. 

 Habitat: Rio Nasas and headwaters of 



the Rio Mezquital. 

 A2. Cyprinodon amazonus Eigenmann, 



Eigenm., 1894, 627. 

 Habitat: Lower Amazon. 



3. Cyprinodon martce Steindachner, 



Steind., 1876, 28. 



Habitat : Near mouth of the Rio Mag- 

 dalena. 



4. Cyprinodon variegatus Lacepede, 



J. &E., 672. 



Esox o-vinus Mitchill ; Lebias rhom- 

 boidalis Val., Lebias ellipsoidea Le 

 Sueur ; Cyprinodon gibbosus B. & G. ; 

 Trifarcins riverendi Poey. 

 5- Cyprinodon dearborni Meek, 



Meek, 1909, 208. 

 Habitat: Curaqoa, Dutch W. I. 



PSEUDOXIPHOPHORUS Bleeker. 1 



Pcecilioides Steindachner. 



Type : Xiphophorus bimaculatus 



Heckel. 

 Range : Eastern slope of Mexico. 



1. Pseudoxiphophorus bimaculatus 



(Heckel) M,eek, 127. 



P. reticulatus Trosch. ; P. b. taniatus 



Regan. 

 Habitat : Eastern slopes of Mexico 



from Jalapa to Guatemala, up to an 



altitude of 600 feet. 



2. Pseudoxiphophorus jonesi Giinther, 



Regan, 19070, 260. 

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



P. pauciradiatus Regan. 

 Habitat : Orizaba. 



PETALOSOMA Regan. 



Type : Petalosoma cultratum Regan. 

 Range that of the single species. 

 I. 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, 1907^, 259. 



Habitat: Carrullo and Juan Venas, 

 Costa Rica. 



4. Gambusia episcopi Steindachner, 



J. & E., 683. 

 Habitat : Ditches at Obispo, Panama. 



1 This genus should according to Regan be merged 

 with Gambusia, 



