There are several snakes, including the viper (Pelias berus).
Suddenly he was bitten by a viper, that had not appeared in his dream.
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.
The T.3 was developed into the T.4 which had an even more powerful viper, giving it a much greater rate of climb.
We had a CG friend with us, which was the incredibly deadly viper, because we couldn't find one in time.