Intermaxillary, [31].

Intoxication counteracted by venom, [548], et seq.

Iowa, the first rattle, [295];

the whiskey cure, [549].

Ipecacuanha, an approved medicine, [537].

Irritability; of rattlesnakes, [312];

of young ss., [437], [438];

of young slow-worms, [463].

Isodon, [347].

Isodontiens, [347].