Since the method of treating snakebite-poisoning by hypodermic injections of strychnine, discovered by the writer and published but a few years ago, has already been adopted by the medical profession throughout the Australian colonies, and practised even by laymen in cases of urgency with much success, it has been repeatedly suggested to him that the subject calls for further elucidation at his hands; that the morbid processes engendered by the snake venom and the modus operandi of the antidote should be explained by him in a manner satisfying the demands of science, and at the same time within the grasp of the intelligent, moderately educated layman