INDIAN CYPRINIDZ. 239 
the ulna and radius, or, in other words, to be equivalent to the cubitus 
or bone which sustains the secondary quills in the wings of birds. 
36. Thus, two bones which in birds constitute the larger portion of the 
wing 
g, may be said to be almost deficient in herbivorous Cyprins, though 
they are more developed in many species of the carnivorous section of 
the family, and still more complete and uniform in other families of the 
same order, as S?/uride. 
37. It is hardly necessary to enter into farther analysis to prove that 
the pectorals of Cyprinidae in general, but particularly of herbivorous 
Cyprins, are less complete than those cf neighbouring groups; for we are 
at once struck with the fact, on observing the small size of the pectoral 
fins in all our Peonomine, and the slenderness of the rays of which they 
are composed ; while the large clumsy rays of the ventrals, and the strength 
of these fins, are circumstances that cannot be overlooked, and which, when 
_viewed in comparison with the strong and fully developed legs of Rasores 
(34) supply all that is essential in the analogies between the groups in 
question. 
38. In the most carnivorous species of Sarcoborine on the other hand, and 
especially in some of the Opsarions, as O. polioxus, and O. pholicephalus,* 
remarkable instances are observed of excessive development in the pectoral 
fins, and this is always as far as I have seen, attended with a proportionate 
want of size in the ventrals, which are so slender and small in this genus, and 
their structure so delicate, as to render it hardly possible to conceive that they 
can be of much use in aiding the movements of the body. Now the widely 
cleft mouth or beak, great breadth of wings or pectorals, obsolete ventrals or 
feet, are common to Opsarions and Fissirostres, so that the first would thus 
NTT OPE Bh 
