lOii. ACANTnorsis. 365 



dots ; caudal fin crossed by four bauds. A streak runs from the 

 eye to the end of the snont. 

 Ceylon; Southern India. 



ct, b, c. Manj- specimens. Ceylon. 



d, e-g. Typical specimens of Phitacanfhus agrensis. Coast of !Ma- 

 labar. From Mr. Day's Collection. 



The male has tlie inner pectoi'al ray modified into a flat semi- 

 osseous spine, wliich, however, is attached to the fin by the usual 

 interradial membrane, and not detached, as erroneously represented 

 in the figure given by Mr. Day. 



3. Lepidocephalichthys balgara. 



Cobitis balgara. Ham. Biich. Fis/i. Gang. p. ;3.")G. 



Schistura balgara, M'ClclL Ind. Vypr. p. 307, pi. 53. fig. 2 (copied 



from Buchanans M8. drawings). 

 aculeata, M'Clell. I. c. 



D. S. A. 7. 

 Origin of the dorsal fin opposite to that of the ventrals. Caudal fin 

 truncate. Back and sides irregularly mottled with brown. {Buch.) 

 Kosi River ; Assam. 



102. ACANTHOPSIS. 



Acanthopsis, Tan Ilasselt, Ali/cin. Konst- en Letterb. ii. 1823, p. 133. 

 Prostheacanthus, Bhjih, Journ. As. Sue. Bengal, 1860, p. 107. 



Body much elongate ; snout compressed, veiy long ; a small 

 erectile bifid suborbital spine situated in advance of the eye. Bar- 

 bels eight, two of them belonging to the mandible. Dorsal fin 

 opposite to ventrals ; caudal bilobed. Aii'-bladder enclosed in a bony 

 capsule. 



East-Indian archipelago ; Tenuasserim. 



1. Acanthopsis chcerorhynchTis. 



Cobitis choirorliynchos, Bleek. Nat. Tgchchr. Ned. Ind. vii. p. 0.5. 

 ? Prostheacanthus spectabilis, Bhjth, Journ. As. Soc. Bengal, 1860, 



p. 167. 

 Acanthopsis choivoiTliATichus, Bleek. Cgpr. Prodr. p. 66 ; or All. 



Ichthyol. Cgpr. p. 9, tab. 1. tig. 3. 



D. 12. A. 8. V. 7. 



Scales inconspicuous. Snout nearly twice as long as the re- 

 mainder of the head. Lower catidal lobe longer than upper. Back 

 with from twelve to fourteen dark cross bars, lateral line with a 

 series of from teti to twelve round spots ; a black spot on the base 

 of the upper caudal lobe. 



Sumatra ; ? Tennasseiim. 

 a. Tyjie of the species. From Dr. Bleeker's Collection. 



