Prepared personally by skilled bacteriologists in accordance with the most rigid requirements of science. Especially to be emphasized is the elaborate system of testing the antitoxin for strength and purity. At least fifty guinea pigs are required. Since 1894 many millions of tubes have been employed without a single untoward result of any kind. All reports prove that it saves more lives than all other serums combined. H.K. Mulford - Philadelphia, New York, Chicago, Toronto. A fresh supply can be obtained from Geo. A. Parcher, Apothecary, Ellsworth, Maine.