ADDER, a name for the common viper (Vipera cevus), ranging from Wales to Saghalien island, and from Caithness to the north of Spain.
For instance, in the seventh homily the fable of the nuptials of the viper and the conger-eel,'known already to Aelian and Oppian, and proceeding from a curious misreading of Aristotle (Hist.
Hitherto no attempt had been made to determine what particular parts of the body were especially affected by drugs, but Fontana showed, in his great work (Florence, 1765) on the venom of the viper and on other poisons, that the general symptoms were brought about by an action on particular organs.
Of serpents there are only two poisonous kinds, the common viper and the adder (Kreuzotter).
But some were essentially indigenous, and he observed a singular character given to the fauna by the presence of certain Eastern forms, unknown in other parts of Persia, such as the tiger, a remarkable deer of the IndoMalayan group, allied to Cervus axis, and a pit viper (Halys).