552 Mr. C. T. Regan— J Si/nopsis 



basal shield of the dorsal spine ; supraclavicular plate small, 

 not produced backwards. Teeth on the palate in a curved 

 uninterrupted band, without posterior median process. Dorsal 

 I 6; spine weakly serrated- behind, § or | the length of head. 

 Adipose fin longer than the base of dorsal^ but shorter than 

 its distance from the latter. Anal 14-15. Pectoral spine as 

 long as the head, with strongly serrated inner edge. Pelvics 

 not extending to the anal. Caudal deeply forked. Caudal 

 peduncle twice as long as deep. Greyish ; dorsal with dark 

 basal and intraniarginal bands. 



Two specimens, 75 and 90 mm. in total length, from Deli, 

 Sumatra, collected by Herr Moesch. 



Liocassis rugosus, sp. n. 



Depth of body 4i in the length, length of head 4. Head 

 1^ as long as broad. Diameter of eye 8 in the length of 

 head, interorbital width 3|. Snout broad, rounded, \ the 

 length of head, scarcely projecting beyond the mouth ; nasal 

 barbel equidistant from eye and tip of snout, when laid back 

 extending a little beyond the eye ; maxillary barbel nearly 

 reaching the base of pectoral ; upper surface of head, behind 

 the orbits, naked, rugose, this bony area with the anterior 

 edge deejjly einarginate ; occipital process as long as broad, 

 meeting the basal shield of the dorsal spine ; supraclavicular 

 plate small, not produced backwards. Teeth on the palate in 

 a curved uninterrupted band, without posterior median pro- 

 cess. Dorsal I 7 ; spine feebly serrated behind, § the length 

 of head. Adipose fin If as long as the base of dorsal and 

 longer than its distance from the latter. Anal 15. Pectoral 

 spine i the length of head, with strongly serrated inner edge. 

 Pelvics extending to the anal. Caudal forked. Caudal 

 peduncle If as long as deep. Yellowish, with very broad 

 brown cross-bands, the first ending posteriorly at the origin 

 of the pelvics, the second above the anal fin, the third on 

 the caudal peduncle; fins greyish. 



A single specimen, 120 mm. in total length, from Poeh, 

 Sarawak, collected by Mr. A. Everett. 



Liocassis crassirostris, sp. n. 



Depth of body 5^ in the length, length of head 4 to 4^. 

 Breadth of head 1^ in its length, length of snout 2| to 3, 

 diameter of eye £^ to 6i, interorbital width 3§. Head 

 covered with skin ; occipital process narrow, as long as 

 snout, extending beneath skin to basal bone of dorsal spine. 



