1838.] New classification of Cyprinidce. 943 



I. Sub-fam. F2EONOM12E, J. M. 



Herbivorous. 



Mouth slightly cleft, either horizontal or directed downwards ; the 

 stomach is a lengthened tube continuous with a long intestinal canal ; 

 colours plain, branchial rays three. 



1. Gen. Cirrhinus, Lower jaw composed of two short limbs loosely 

 attached in front where, instead of a prominent apex there is a depres- 

 sion ; no spinous rays in the dorsal, lips soft, fleshy, and furnished with 

 cirri. 



Sub-gen. Labeo, Cuv. Cirri small or wanting. 



2. Gen. Barbus. Lower jaw composed of two lengthened limbs 

 united in front, so as to form a smooth narrow apex. Dorsal fin pre- 

 ceded by a strong bony spine, lips hard, four cirri, intermaxillaries 

 protractile. 



Sub-gen. Oreinus, J. M. Mouth vertical, lower jaw shorter than 

 the upper, snout muscular and projecting, suborbital* plates concealed. 



3. Gen. Cyprinus prop. Body elevated, lower jaw short and round- 

 ed in front, lips hard, thick, and without cirri ; dorsal long. 



4. Gen. Gobio. Dorsal placed over the ventrals and like the anal 

 short, and without spines. Lower jaw shorter than the upper, and either 

 round or square in front ; lips thin and hard, 



5. Gen. Gonorhynchus. Mouth situated under the head which is 

 long and covered with thick integuments. Body long and sub-cylindri- 

 cal, snout often perforated by numerous mucous pores. Dorsal and 

 anal short, opposite, and without spines. 



II. Sub-fam. SARCOBORIN^, J. M. 



Carnivorous. 



Mouth directed upwards, widely cleft and horizontal, with a bony pro- 

 minence more or less distinct on the symphysis of the lower jaw, 

 serving as a prehensile tooth. Colors bright, disposed in spots and 

 streaks, or displaying a uniformly bright lustre. The stomach is a 

 lengthened sack ending in a short abdominal canal. Branchial rays 

 three. | 



1. Gen. Systomus, J. M. Intermaxillaries protractile; dorsal and 

 anal short, the former opposite to the ventrals. Body elevated and 

 marked by two or more distinct dark spots. Diffuse bright spots either 

 on the fins or opercula, prominence on the jaw obscure ; scales large. 



2. Gen. Abramis? Cuv. Body short and elevated, a short dorsal 

 is placed opposite to the ventrals, anal long. Intestine of the only 

 Indian species short as the body. 



3. Gen. Perilampus, J. M. Head small, obliquely elevated above 



6c 



