Arrow poison

[3] The modern terms "toxic" and "toxin" derive from the ancient Greek word for "bow", toxon, from Old Persian *taxa-, "an arrow".

Alexander the Great encountered poisoned projectiles during his conquest of India (probably dipped in the venom of Russell's viper) and the army of the Roman general Lucullus suffered grievous poison wounds from arrows shot by nomads during the Third Mithridatic War (1st century BC).

[7] Gregory of Tours claimed that during the reign of Emperor Maximus a Roman army was ambushed and destroyed by the Franks in Germany who used arrows poisoned in herb juices.

The resulting liquid, being highly viscous and poisonous, is smeared on the sharp edges of arrowheads.

These treated arrowheads are effective in the quick killing of both human beings and animals, even though the victim may shed only a trace of blood.

Strychnos toxifera , a plant commonly used in the preparation of curare
The black-legged dart frog , a species of poison dart frog whose secretions are used in the preparation of poison darts.