INDIAN CYPRINID@. 289 
Spec. P. ostreographus,* J. M. t. 45. f. 3. 
Back straight, sides marked with several blue streaks. D.12: 
P.153V.8:A.16: C.19. 
Has. Assam. 
In the next two species the altitude of the body is equal to a third 
of the length. 
Spec. P. perseus,t J. M. t. 46. f. 5. 
Pectorals and ventrals long, one blue streak on either side. 
D.19: P.8: V.5 (?) A.21: C— 
Has. Assam, and probably Bengal. 
Spec. P. guttatus, t. 45. f. 4. 
Cyp. laubuca, Buch P. G. p. 260. 
A small green or blue spot over the base of each pectoral, 
and another at the base of the caudal, on either side. D.10: 
P.12: V.7; A.24: C— 
Has. Northern parts of Bengal. 
In the following two, the first ray of each ventral is prolonged to half the 
length of the body. 
Spec. P. psilopteromus,| t. 46. f. 4. B 
Cyp. loyukula, Buch. Coll. 
Cyp. atpar, id. P. G. p. 259. 
Depth of body almost equal to half its length, much com- 
pressed, ventrals elongated, a narrow blue streak along the 
lateral line, D.9: P. 11, or 12: V.5: A. 25: C.— 
Has. Bengal. 
* Oorgsoypagpnc, marked with purple streaks ; from ooTpeov ypapw. 
+ Perseos, the Greek name of an unknown fish. 
{ From Pszlos slender, pferoma the fin of a fish. 
