698 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 ncbidosus, Lesuenr. 



Bhinichthys maxillosas, Cope. 



Ceratichthys physignafhus, Cope. 



Pogonichthys communis, Gir. 



Hypsilepns jugalis, Cope. 



Hybqpsis scylla, var., Cope. 



JJybognathus nigeUus, Cope. 



Campostoma aikenii, Cope. 



Pantosteus virescens, Cope. 



Moxostoma trisignatum, Cope. 



Salmo plcuriticus, Cope. 



Fundulus multifasciatus, Cuv. Val. 

 The species of the Rio Grande are the following : — 



Scaplurhyncliops phtyrhjnchus, Raf. 



Lepidosteus, sp. 



AnguiUa tyrannus, Gir. 



Bhinichthys maxillosns, Cope. 



Apocope vulnerata, Cope. 



Apocope ventricosa, Cope. 



Ceratichthys sterletus, Cope. 



Gila egregia, Gir. 



Gila pandora, Cope. 



Gila gula, Cope. 



Alburnellus simus, Cope. 



Alburnellus jemezanus, Cope. 



Hypsilepis iris, Cope. 



Hyborhynchus nuchalis, Agass. 



Pantosteus jarrovii, Cope. 



Carpiodes grayi, Cope. 



Salmo spilurus, Cope. 



Salmo pleitriticus, Cope. 



