eigenmann: catalogue of fresh water fishes. 



377 



2. Exomegas macrostomus gallcgensis 

 (Smitt). 

 Habitat: Rio Gallegos. 



Caragola Gray. 



Mordacia Gray. 



Type : Caragola lapicida Gray. 



Range : Southern South America and 



Australia, 

 i. Caragola mordax (Richardson). 



Caragola lapicida Gray ; Petromyzon 



anwandteri Philippi; Petromyzon 



acutidens Philippi. 

 Habitat: Chili and Tasmania. 



Class II. PISCES. 



Subclass SELACHH. 



Order ASTEROSPONDYLI. 



Suborder GALEI. 



Family GALEIDyE. 



Carcharhinus Blainville. 



Eulamia, Platypodon, Isogomphodon and 

 Lamiopsis Gill. 

 Type: Carcharhinus commersoni Blain- 

 ville = Carcharias lamia Rafinesque. 

 Range : All warm seas. 

 I. Carcharhinus nicaraguensis Gill & Brans- 

 ford, J. & E., 39. 



Habitat: Lake Nicaragua and its outlet. 



Mustelus Cuvier. 



Type: Squalus mustelus Linnaeus. 

 Range : Warm and temperate seas. 

 I. Mustelus canis (Mitchill), . .J. & E., 29. 

 Habitat: La Plata. 



Order BATOIDE1. 



Suborder SARCURA. 



Family RAJIDyE. 



Raja Linnaeus. 



Dipturus and Platoptcrus Rafinesque; 

 Dasybatus Blainville ; Propterygia 

 Otto ; Lccviraja and Batis Bonaparte ; 

 Uraptera Miiller & Henle; Mala- 

 corhinus Garman. 



Type : Raja batis Linnaeus. 

 Range : Temperate seas, a few of the 

 species entering rivers. 



1. Raja microps Giinther, Shore Fishes, 12. 



Habitat: La Plata. 



2. Raja platana Giinther, Shore Fishes, II. 



Habitat: La Plata. 



Family NARCOBATID^. 



Narcine Henle. Range: Warm seas; a single American 



Cyclonarce and Gionionarce Gill. species; enters rivers. 



Type: Torpedo brasiliensis Olfers. 1. Narcine brasiliensis (Olfers), J. & E., 78. 



