mœopathic theory be true, the water in the hogshead would be quite as strong, if not stronger, than that in the teaspoon. If this homœopathic theory were true, it might be applied with great advantage in domestic economy. If this were true, the aroma of the rose would act upon us with increasing force as we receded from it. If this doctrine were true, odoriferous molecules would be amplified and increased in intensity by attenuation. But that such is not the case, common observation demonstrates. For example, musk is one of the most subtle, penetrating, and diffusible of odors; and if Homœopathy were true, its power to stimulate the olfactories should certainly Continue to the thousandth attenuation. But what is the fact? William Sharp, M.D., F.R.S., a very ardent advocate for Homœopathy, in a little work of his, entitled "The small Dose of Homœopathy," page 6, says, "The sense of smell can detect musk to the fifth or sixth dilution. Every thing that we know forbids us to conclude that the division of matter stops here, but our senses cannot follow it further." Here, then, is a complete refutation of