Your opium-eater does not reduce himself to a state of coma.

He usually keeps well within the limits of the tolerance that has been established.

The conclusion that emerges is, I think, that the drug was administered by some other person; and the most likely person seems to be Mr.Weiss." "Isn't morphine a very unusual poison ?" "Very; and most inconvenient except in a single, fatal dose, by reason of the rapidity with which tolerance of the drug is established.

But we must not forget that slow morphine poisoning might be eminently suitable in certain cases.

The manner in which it enfeebles the will, confuses the judgment and debilitates the body might make it very useful to a poisoner whose aim was to get some instrument or document executed, such as a will, deed or assignment.