The Positive Sciences of the Ancient Hindus c8.t3.2

c8.t3.2

Of the *Nirviṣas*, non-venomous snakes, twelve varieties are mentioned, including Boidæ (अजगरा) and the Colubrine Dendrophis (वृक्षेशय). Of the *Vaikaraṇja* (hybrid) snakes, there are ten varieties, of which three are produced by the union of certain venomous species, and seven are secondary derivative forms.