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 slow-worms, [463].
Isodon, [347].
Isodontiens, [347].