136 XKIGLID^. 



inches, lines. 



Length of the eighth dorsal spine 5 



of the fourth dorsal ray 10 



of the caudal 1 



of the thii'd anal spine 7 



of the pectoral 1 1| 



of the ventral 9^ 



8. Tetraroge tsenianotus. 



Tseuianotus latovittatus, Lacep. iv. pi. 3. f. 2 (excl. descr.). 

 Apistiis tseuianotus, Cuv. Sf VaJ. iv. p. 404 ; [not Richards. Votj. Sa- 

 marang, Fishes, pi. 4. f. 1, 2 ;] Bleeker, Amboina, ii. p. 557. 



B. 5. D. f . A. \. Csec. pylor. 4. 



Scales minute, rudimentary. The dorsal begins between the eyes, 

 is very high anteriorly and nearly even behind, without any notch, 

 and sUghtly contig-uous with the caudal ; the pectoral and ventral 

 fins reach beyond the vent. A brown spot between the fifth and 

 sixth dorsal spines. 



East Indian Seas. 



a. Adult. Japan. 



h. Young. Madras. Presented by T. C. Jerdon, Esq. 



9. Tetraroge dermacanthus. 



Apistus dermacanthus, Bleeker, Aviboina ^- Ceram, p. 268. 

 B. 6. D.^. A.|E|. V. 1/3. 



Skin studded with small prickles. The snout is longer than the 

 eye, with the jaws nearly equal, and with the upper maxiUary not 

 reaching to the vertical from the orbit. Barbels none. The dorsal 

 fin begins above the middle of the eye, and has no division ; the two 

 anterior spines are the longest ; anal fin with small spines. Eose- 

 coloured, pimctulated with brown. Palatine teeth. (_Bl.) 



Sea of "VVahai (]S"oi-th Ceram), 



This species appears to approach Agriopus. 



10. Tetraroge echinata. 



Corj'thobatus echinatus, Cant. Catal. p. 45. pi. 13. 



Cocotropus echinatus, Kaup in Wiegm. Arch. Naturg. 1858, p. 333. 



11* 8 (-??)■ 



Skin studded with small prickles. The snout is longer than the 

 diameter of the eye ; the lower jaw is slightly the longer ; the upper 

 maxillary reaches to the vertical from the anterior margin of the 

 orbit. Barbels none. The dorsal fin begins between the anterior 

 orbital margins, and has no division. The anterior spine is the 

 longest ; anal spines feeble. Umber, with light spots, edged with 

 black. No palatine teeth. {Cant.) 



Sea of Pinang. 



