322 ICHTHYOLOGY. 



CAT-FISH. 



The cat-fish, which Linnaeus included in the single 

 genus silurus, are very numerous in our waters. I have 

 noticed more than thirty different species, and there are 

 probably many others. 



ADIPOSE CAT-FISH. 



The cat-fish which are characterised by possessing a sec- 

 ond adipose dorsal fin, are quite abundant. Two or three 

 species are often called by the same native names. 

 Pimelodina. 



els 00$" 



SHORT-HBADED CAT-FISH. 



A large cat-fish with a comparatively short head, small 

 second dorsal fin, and a rather long anal, is often seen in 

 bazar. It has two barbules on the upper jaw, and four 

 on the lower. 



Pimelodina (Breviccps ? ) 



EIGHT BARBULED CAT-FISH. 



A cat-fish about a cubit long, with two dorsal fins, and 

 four cirri on the upper and four on the lower jaw, is not 

 uncommon. 



Pimelodince. 



MAILED CAT-FISH. 



A cat-fish with a long head, and mailed to the dorsal fin, 

 is an inhabitant of our estuaries. It has strong spines in 

 the dorsal and pectoral fins, which are serrated on the 

 inner sides only, and resembles in its general appearance 

 Pimclodus aspcrus. There are four cirri to the under 

 jaw, and two to the upper, which are united by a mem- 

 brane half their length to the head. 



D. 1-6 : P. 1-8 : V. 6 : A. 14 : C. 16 {long rays.) 

 Pimelodince. 



dsG£p£a e3J90J\ goj5d& 



