Romance of low life amongst plants : facts and phenomena of cryptogamic vegetation / by M.C. Cooke.

  • Mordecai Cubitt Cooke
Date:
1893
Catalogue details

Licence: Public Domain Mark

Credit: Romance of low life amongst plants : facts and phenomena of cryptogamic vegetation / by M.C. Cooke. Source: Wellcome Collection.

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    its end, but the bacillus is the only one found in the blood, and is really characteristic of the disease. Many are the causes to which cholera has been attri- buted. Trouessart says that “ the essentially epidemic and contagious progress of this disease clearly indi- cates the presence of a microbe, of which the chosen seat is the intestines, whence it passes with the patient’s faeces, and constitutes the contagious element in places affected by the epidemic.” Koch was the first to describe the microbe which is considered to be the producing agent of cholera, and he called it the “comma bacillus,” after its form (Fig. 56). He cultivated it successfully in several media, but for a Fig. 56.—Comma Microbe (Trouessart). long while all attempts at inoculating animals by in- jection of the bacillus failed. Subsequently cholera was thus produced in guinea-pigs, dogs, etc., which died at the end of two or three days, with the intestines containing a number of vigorous comma bacilli. In 1884 Ferran conducted a series of experiments at Toulon, and professes to have obtained an attenuated microbe for preventive inoculations. He believes that U
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