1915.] NATURAL SCIENCES OF PHILADELPHIA. 225 



states that the pectorals reach the jEirst or fifth ventral ray. Though 

 he also gives the anal rays 34, possiblj^ this may include some of the 

 rudimentary ones, as most writers mention 32 branched. My 

 Peruvian example is damaged somewhat, though now measures 

 200 mm., has the A. iv, 32, and the pectorals (damaged) do not 

 appear to reach the ventral. A. ogUviei is very close and, like 

 A. marmoratus, may be found identical. 



TORPEDIXIX.E. 

 Torpedo electricus (Gmelin). 



Two from Liberia and one from the Lebuzi River at Kuka Muno, 

 West Africa. 



ASPREDINID^. 



Aspredo aspredo (Linnaeus). 



Brazil and Surinam. 



Platystacus cotylephorus Bloch. 

 Surinam. 



Dysichthys coracoideus Cope. 



Proc. Acad. Nat. Sci. Phila., 1874, p. 133. Nauta. 



Nos. 21,212 to 15, A. N. S. P., cotypes. Nauta, Ecuador. J. 

 Orton. Presented by E. D. Cope. 



Bunocephalus melas Cope. 

 L.c, p. 132. Nauta. 



No. 21,235, A. N. S. P., type. Nauta, Ecuador. J. Orton. 

 From Cope. 



Bunocephalus aleuropsis Cope. 



Proc. Amer. Philos. Soc. Phila., XI, 1870, p. 568. Pebas, Ecuador. 

 Nos. 8,286 to 88, A. N. S. P., cotypes. Pebas, Ecuador. J. 

 Hauxwell. From Cope. 



PLOTOSID^. 

 Plotosus anguillaris (Bloch). 



Padang, Sumatra; Singapore, Malacca; Apia, Samoa; Bacon, 

 Philippine Islands. The Padang examples are without whitish 

 lengthwise streaks. All others smaller and show the whitish streaks 

 clearly, even the very young. 



CLARIID^. 



Clarias senegalensia (Valenciennes). 



Senegal. 

 15 



