A system of surgery . chemicals. The spores and spore-bearingbacilli resist the temperature of 80° 0. for an hour, but are killed byfive minutes stay in the steam steriliser at 100° 0. (Kitasato). Chemicals act somewhat feebly upon the bacillus of ascertained that they were still virulent after ten hoursimmersion in 5 per cent, carbolic lotion, but that fifteen hours killedthem. A solution of perchloride of mercury, one part in onethousand parts of water, with 5 per cent, of hydrochloric acid, killedthem in thirty minutes, although the same strength of perchloridewithout the a
A system of surgery . chemicals. The spores and spore-bearingbacilli resist the temperature of 80° 0. for an hour, but are killed byfive minutes stay in the steam steriliser at 100° 0. (Kitasato). Chemicals act somewhat feebly upon the bacillus of ascertained that they were still virulent after ten hoursimmersion in 5 per cent, carbolic lotion, but that fifteen hours killedthem. A solution of perchloride of mercury, one part in onethousand parts of water, with 5 per cent, of hydrochloric acid, killedthem in thirty minutes, although the same strength of perchloridewithout the acid took three hours. Almost any surface soil or dust will produce the so-called earthtetanus, and it has been caused by dust, mud, or soil from gardens,fields, roads, and buildings, especially churches. Further, anythingwhich has been contaminated with such dust, mud, or soil becomescapable of transmitting the disease. Yerneuil has attributed this tothe admixture of horse-dung. The equine origin of tetanus has had. Fig. 35.—Bacillus of Tetanus. (After Fraenkel and Pfeiffer.) PATHOLOGY. ]97 much, credence given to it in France. Of late years cases of tetanushave been recorded there as being of exceptional interest, because nocontact with horses or horse-dung could be discovered. Horses andthose who work amongst them are somewhat liable to tetanus. Polandrelates—quoting Hurtel dArboval—that twenty-four horses werecastrated on the same day, and afterwards led four times a daythrough a pond of water supplied by a very cold spring. Sixteen ofthem died from tetanus between the tenth and fifteenth day afterthe operation. In this brief account the cold spring is especiallymentioned to support the cold theory of tetanus. Verneuil givesa great number of instances of the transmission of tetanus byveterinary tools, and amongst those who had had to do with asserts that although tetanus is rare amongst sailors, yet whenit does occur it is almost exclusively on board of s
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