1899.] BATEACHIANS, AND FISHKS FEOM HAINAN. 961 



between the opercular spines ; some light dots on the soft dorsal 

 and anal and on the membrane between the ventral rays. 



Total length 155 millim. 



A single specimen. 



2. DiSCOGNATHUS IMBEEBIS Vincig. 



A species described from the Karen Hills, Bui-ma. 



3. GrYMNOSTOMUs LEPTUEUs, sp. n. (Plate LXIX. fig. 1.) 



Depth of body 4 times in total length, length of head 5 times. 

 Head 1| as long as broad ; snout broad, rounded ; width of mouth 

 nearly half length of head ; lower jaw with a sharp, horny edge ; 

 diameter of eye equal to length of snout, 3| times in length of head' 

 Ig in interorbital width. Dorsal III 8, midway between end of 

 snout and base of caudal ; first branched ray longest, a little shorter 

 than the head, last ray longer than those preceding it, f length of 

 head. Pectoral as long as head. A'^entrals below middle of dorsal. 

 Anal III 6, as deep as dorsal. Caudal deeply bifurcate, 1^ length 

 of head. Caudal peduncle thrice as long as deep. Sq. 49 g ; 4 

 scales between the lateral line and the ventral. Olive above, silvery 

 beneath ; an ill-defined dark lateral streak. 



Total length 165 millim. 



A single specimen. 



4. Barilius hainanensis, sp. n. (Plate LXIX. fig. 2.) 

 Depth of body equal to length of head, 4| times in total length. 



Head t^vice as long as broad ; snout pointed, not projecting beyond 

 the mouth, as long as diameter of eye, which is 3g times in length 

 of head and equals interorbital widtli ; mouth extending hardly to 

 below anterior border of eye ; suborbitals entirely covering the 

 cheek. Dorsal II 7, originating just behind ventral and situated 

 at equal distance from the eye and the root of the caudal ; first 

 branched ray § length of head. Pectoral a little shorter than 

 head, not reaching ventral. Anal II 14, Caudal deeply 

 bifurcate, as long as head. Caudal peduncle nearly thrice as long 

 as deep. Sq. 46 |. Silvery, darker on the back; scales above the 



lateral hne black at the base. 

 Total length 130 millim. 

 A single specimen. 



5. Opsaeiichthys platypus Schleg. 



A species known from Japan and Pormosa. 



EXPLANATION OF THE PLATES. 



Plate LXVI. 



Fig. 1. Draco whiteheadi, p. 956, with side-view of head. 

 2. Acanthoscmra hainanensis, p. 957. 



