them being of the two hundredth attenuation; and it must be gratifying to the friends of humanity to know that common salt, charcoal, chalk, and silex, have not been omitted, and that through the herculean efforts of this homœopathic savan the apis mellifica has been obtained, and also a sufficient quantity of well attenuated vaccinin, all very nicely put up in half-drachm vials, in mahogany cases, with lock and key.
Now I wish to submit one or two questions to mathematicians, viz.: Suppose that only one of the above articles was brought in the same vessel, and that a ship of the capacity of a thousand tons was entirely laden with the two hundredth attenuation of zinc, what amount of that article was brought in the ship? How many such ships would it require to bring a single grain of zinc so attenuated? I shall not attempt to exhibit the calculation upon paper, because no volume of five hundred pages would afford room for the statement in figures. I shall therefore content myself by saying that one grain of zinc or other article, carried only to the 20th attenuation with sugar, would form a mass equal to six hundred
