ZOOLOGY FISHES. 



(1) the drainage of the Arkansas; (2) that of the Rio Grande; (3) that of 

 the Colorado ; and (4) that of the basin Salt Lake. 



The species of the Arkansas basin are as follows : 



Amiurus nebulosus, Lesueur. 



Rliiniclitliys maxiflosus, Cope. 



Ceraticlitliys physignafhus, Cope. 



Pogoniclitliys communis, Gir. 



Ilypsilepis jugalis, Cope. 



llylopsis scylla, var., Cope. 



Ilybognatlms nigellus, Cope. 

 Campostoma aikenii, Cope. 



Pantosteus virescens, Cope. 



Moxostoma trisignatum, Cope. 



Salmo pleuriticus, Cope. 



Fundulus multifasciatus, Cuv. Val. 

 The species of the Rio Grande are the following : 



Scapliirliyncliops platyrliyncliits, Raf. 



Lepidosteus, sp. 



Anguilla tyrannus, Gir. 



RliinicWiys maxillosus, Cope. 



Apocope vulnerata, Cope. 



Apocope ventricosa, Cope. 



CeraticJitliys sterletus, Cope. 



Gila egregia, Gir. 



Gila pandora, Cope. 



Gila gula, Cope. 



Alburnellus simus, Cope. 



Alburnellus jemezanus, Cope. 



Hypsilepis iris, Cope. 



Hyborliynclms nuclialis, Agass. 



Pantosteus jarrovii, Cope. 



Carpiodes grayi, Cope. 



Salmo spilurus, Cope. 



Salmo pleuriticus, Cope. 



