944 New classification of Cyprinida. [Nov. 



the axis of the body. Dorsal opposite the anal which is the longer fin ; 

 apices of the jaws raised to a line with the dorsum which is straight, 

 while the body below is much arched. Sides often streaked with bright 

 colors, particularly blue, abdominal tube small, and little longer than 

 the body. 



4. Gen. Leuciscus. Dorsal small, opposite the ventrals, mouth and 

 head horizontal and placed in the axis of the body, scales and opercula 

 covered with a silvery pigment. 



5. Gen. Opsarius, J. M. Mouth widely cleft ; body slender and 

 usually marked with transverse green bars or spots. Dorsal small, 

 without spines and placed behind the middle ; anal long. Intestinal 

 canal very short and extending straight from the stomach to the vent. 



III. Sub-fam. APALOPTERINiE, J. M. 

 Body elongated ; sub-cylindric, and enveloped in mucous ; all the 

 fin rays soft ; intestines short. Branchial rays vary from two to six. 

 1. Gen. P.ecilian.e, Schn. 

 Sub-gen. Aplocheilus, J. M. Head flat, with the eyes placed on its 

 edges, and the mouth broad and directed upwards, with a single row of 

 minute teeth placed along the edges of the jaws ; caudal entire. 



2. Gen. Platycara, J. M. Head flat, with the eyes placed on its 

 upper surface, fins thick and opaque. Pectorals large, anal small, caudal 

 bifid, mouth without teeth and directed downwards. Stomach and in- 

 testine form a continuous fleshy tube little longer than the body. 



3. Gen. Psilorhynchus, J. JVI. Muzzle elongated and flattened, 

 eyes placed far back on the edges of the head, mouth small and suctorial, 

 without cirri, opercula small, caudal bifid, dorsal opposite to the 

 ventrals. 



Cobitis, Linn. 

 Head and body elongated and little compressed or elevated, the 

 snout is long, directed obliquely downwards, and projecting slightly in 

 front of the mouth, which is surrounded with short muscular filaments. 



4. Gen. Cobitis propria, J. M. Caudal entire, large, and orna- 

 mented with bars or spots ; prevailing colour various shades of brown 

 disposed in more or less dense nebulae. 



5. Gen. Schislura, J. M. Caudal bilobate, prevailing colors green, 

 usually disposed in zones and cross-bars. 



It would be unnecessary here to offer any remark on the foregoing 

 outline of the arrangement to which I have resorted in this family, with 

 the view of introducing our Indian species to such groups as might har. 

 monise with those of the Regne animal. This task however easy it 

 may seem was one that could only be attempted after long study in 



