306 €LASS1FICATI0N OP FISHES^ ETC. 



brane ten-rayed ; ventral fin beneath the first dorsal ; 



caudal fin slightly lunate. 



S. lurida. Ham. p. 160. 7. fig. 50. diaphina. lb, p. 162. 



Pachypterus Sw. Dorsal fins two, the hinder one 

 small and adipose ; ventral fin very long ; vent close 

 to the head ; cu-ri much developed ; caudal forked. 



Hypophthalmus Sp. and Agass. Body oval oblong; 

 muzzle very much depressed ; eyes very remote and 

 lateral ; the first dorsal placed before the ventral fin. 

 H. nuclialis, Spix, pi. 37. edentatus. lb. pi. 9. 



Pachypterus Sw. Body oblong; muzzle slightly de- 

 pressed ; eyes not remote ; the first dorsal placed 

 over the ventral ; eyes rather large. 



P. Atherinoides. Bl. 371. £l. punctatus. Ham. p. 196. f,64. 

 luridus. Ham. p. 163. f.62. raelanurus. lb. (mMn«*sHam. ) 

 trifasciatus. lb. p. 180. f. 59. p. 195. 



SiLURUs Linn. Dorsal fin single, very short ; cirri long ; 

 caudal either forked or rounded. 



Clupisoma Sw. Herring-shaped ; head and body com- 

 pressed, of nearly equal breadth ; eyes very large ; 

 teeth in both jaws and on the palate granulated and 

 crowded ; caudal fin large, forked ; dorsal fin placed 

 almost above the pectoral ; vent nearly central. 

 C. argentata. Ham. 156. pi. 21. fig. 50. 



Callichrus Hamilton. Head large, depressed ; mouth 

 large, not vertical ; dorsal fin close to the head ; anal 

 fin excessively long ; vent close to the pectoral ; caudal 

 fin forked. 



C. macrostomus. Ham. 1 54. vittatus. Ham. pi. 25. fig. 47. 



pi. 29. fig. 49. immaculatus. lb. 151. (cG»2o). 



bimaculatus. Bloch, 364. affinis. lb. 152. (duda.) 



nebulosus. Ham. 152. erythrogaster. lb. pi. 17. 48. 



( Chechra. ) 



Silurus Linn. Body ovate lanceolate ; head broad, much 



depressed ; dorsal and anal fins as in Callichrus, but 



the caudal fin is rounded. 



S. glanis Linn., Bl. biserratus. Ham. pi. 37. f. 46. 



fossilis. Bl. 370. fig. 2. laticeps Sw. Appendix. 



