220 PROCEEDINGS OF THE ACADEMY OF [Apr., 



Hemibagrus tengara (Hamilton-Buchanan). 



Five from the Ganges River, India. Day's figure of an Assam 

 example is not in agreement with his description, as the adipose fin 

 is shown to begin close behind the base of the last dorsal ray, and 

 the length of the fin would be contained in the combined head and 

 trunk 3j times.^ 



Hypselobagrus cavasius (Hamilton-Buchanan). 



Head 4f ; depth about 5; snout 2f in head; eye 3; interorbital 

 3j. Upper jaw slightly protrudes. Outer mental barbel slightly 

 longer than head. Occipital fontanel reaches base of occipital 

 process. Dorsal spine entire on outer edge, several slight weak 

 barbs on terminal hind edge. Adipose-fin length 2f in combined 

 head and trunk length. Length 110 mm. (caudal damaged). 

 Ganges River, India. 

 Hypselobagrus micracanthus (Bleeker). 



Two from Padang, Sumatra. 

 Hypselobagrus nigriceps (Valenciennes). 



Borneo. 

 Bagroides melapterus Bleeker. 



Borneo. 



Glyptothorax platypogon (Valenciennes). 



Batu Sangkhar in Tanah Datar, Sumatra. 



Glyptothorax platypogonoides (Bleeker). 



Batu Sangkhar. 



DORADIN^. 

 Physopyxis lyra Cope. 



Proc. Acad. Nat. Sci. Phila., 1871, p. 273, PI. 5, figs. 1-c. Ambyiacii River, 

 Ecuador. 



No. 8,282, A. N. S. P., type. Ambyiacu River. J. Hauxwell. 



Doras dorsalis Valenciennes. 



Para, Brazil. 



Doras granulosus Valenciennes. 



One poorly preserved example from Surinam. 



Doras COStatUS (Linnaeus). 



Dried skin without data, and two examples recently recorded 

 from the Rupununi. As the larger of the latter examples differs 

 markedly in its armature, attention is here called to it. The process 

 of the dorsal plate embraces only the first two spinescent lateral 



9 Fishes of India, III, 1877, PI. 101, fig. 5. 



