A small lizard, very agile, existed under stones; also serpents, Vipera and Coluber, and in moist places Bufo and Rana.

For instance, on administering half a grain of strychnine to a full-grown Coluber Atro-virens, four minutes elapsed before, any change was visible.

The augurs called him Coluber, the snake, from his meandering and bending current.