eigenmann: catalogue oe eresh water eishes. 



. 377 



2. Exontcgas niacrostoiints 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. 



Ch 



II. PISCES. 



Subclass SELACHII. 



Order ASTEROSPONDYLI. 



Suborder GALEI. 



Family GALEID^. 



Carcharhinus Blainville. 

 Eulamia, Platypodon, Isogomphodon and 

 Lamiopsis Gill. 

 Type : Carcharhinus commersoni 'QXz.m- 

 vil\e= Carcharias lamia Rafinesque. 

 Range : All warm seas. 

 Carcharhinus iiicaraguensis Gill & Brans- 

 ford, \ J. & E., 39. 



Habitat: Lake Nicaragua and its outlet. 



MusTELUS Cuvier. 

 Type: Squalus tnustelus Linnaeus. 

 Range : Warm and temperate seas. 

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

 Habitat: La Plata. 



Order BATOIDEI. 



Suborder SARCURA. 



Family RAJID^. 



Raja Linnaeus. 



Diptiirus and Plato pterus Rafinesque; 

 Dasybatus Blainville; Propterygia 

 Otto ; Lccviraja and Batis Bonaparte ; 

 Uraptera Miiller & Henle; Mala- 

 corhiiins Garman. 



T)pe: 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, li. 



Habitat: La Plata. 



Family NARCOBATID^. 

 Narcine Henle. Range : Warm seas ; a single American 



Cyclonarce and Gionionarce Gill. species ; enters rivers. 



Type: Torpedo brasiliensis Olfers. i. Narcine brasiliensis {0\Urs) ,]. &.'E., ^S. 



