1. CLARIA9. 17 



fin reaches beyond the vertical from the origin of the dorsal, and the 

 length of its spine is four-fifths of that of the fin. 



Senegal. 

 a. Ten and a half inches long. West Africa. Purchased of Mr. Dalton. 



8. Clarias macromystas. 

 D. 78. A. 59. P. 1/9. 



Vomerine teeth finely granular, forming a band, wliich is not quite 

 twice as broad as that of the intermaxillaries, and which is not pro- 

 duced laterally into posterior processes. The lower jaw with a very 

 broad band of teeth. Head finely granidated, its length being two- 

 ninths of the total. Barbels long : those of the nostrils are as long 

 as the head, and those of the maxillaries extend to the twelfth dorsal 

 ray. The pectoral fin reaches a little beyond the origin of the dorsal, 

 and the length of the spine is four-fifths of that of the fin. 



Gambia. 

 a. Fine specimen. Purchased of Mr. Dalton. 



9. Clarias syriacus. 

 Cuv. 4" I'dl. XV. p. 375. 



D. 60. A. 52. P. 1/10. 



The band of vomerine teeth is produced behind into a median pro- 

 cess. Head coarsely granulat«d, its length being two-sevenths of the 

 total. Barbels rather long. (Val.) 



Syria. 



•* The occipital process is not very prominent, and rounded behind. 



10. Clarias magur. 

 PPSilm'us batrachus, L. St/st. Xat. i. p. 502. 



PSilurus batrachus, Bl. taf. .370. fig. If; £1- *V/i«. p. .386. 

 .''Marpoo, Bmsell, Fish. Corom. ii. p. 53. pi. 168. 

 PMacropterouotus batrachus, Lacep. v. pp. 84, 85. 

 Macropterouotus magur, Ham. Buck. pp. 146, 374. pi. 20. tig. 45. 

 Clarias marpus, Cuv. iS- Val. xv. p. 378. 

 magur, Cur. S, Val. x v. p. 381 ; Bkek. Verh. Bat. Gen. xxv., Nalez. 



Ichth. Bemj. p. 124. 

 punctatus, Cuv. ^- Val. xv. p. 384 ; Bleeh. Vcrh. Bat. Gen. xxi., 



Sil. Bntav. p. 53 ; Cant. Mai. Fish. p. 203. 

 ? Clarias batrachus, Cuv. ^- Val. xv. p. 385. 

 Clarias batrachus, Bleek. Prodr. Si/ur. p. 34.3, and Atl. Ichth. Silur. 



p. 103. tab. 98. fig. 2. 



D. G4-70. A. 50-53. P. 1/8. 



Caudal fin free. Vomeriufj teeth villiform, forming a crescentic 

 band, which is as broad as, or narrower than, that of the intermaxil- 

 lary. Head finely granulated above, its length (to the end of the 

 occipital process) being somewhat moie than one-fourth of the totul 



t Bloch represents a Clarias with very long barbele, those of the maxillarr 

 extending to the ventral fins : if this bo rcalh" the case, the fish represented by 

 Bloch would belong to a distinct species. 



VOL. V. c 



