ICHTHYOLOGY. 325 



The Karens distinguish two allied species, which the 

 Burmese call by the same name. 



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LARGE BARBULELESS CAT-FISH. 



A large cat-fish found in the estuaries, with two dorsal 

 tins and no cirri, is not rare. It is said to grow six feet 

 long, and weigh more than a hundred pounds. There are 

 two species that are called by the same name. One with 

 wide truncated muzzle, the other with a pointed snout. 

 Ageniosus. 



SMALL BARBULELESS CAT-FISH. 



A small species of fresh-water cat-fish is also distin- 

 guished by being destitute of cirri. 

 Ageniosus. 



PLOTOSUS CAT-FISH. 



There are several species of cat-fish with the dorsal, 

 caudal, and anal fins united, which are called by the same 

 Burmese names, but the Karens distinguish three species. 



Plotosus. 

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CLARIAS CAT-FISH. 



This is a small fresh-water fish, that differs from all the 

 preceding, by having the caudal fin distinct, characteris- 

 tic of the genus clarias. The Burmese do not distin- 

 guish it from the preceding. A specimen that I sent Mr. 

 Blvth he said was 



Clarias magony. 

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LONG-HEADED CAT-FISH. 



A cat-fish with a prolonged flat head, the snout very 

 broad, two barbules on the upper jaw which is longer 

 than the lower, on which there are four barbules, is called 

 cat-fish by the Burmese. 

 Sorubium. 



