XL] BACILLUS : PATHOGENIC FORMS. 87 



mucous membrane but also in the mesenteric glands and 

 spleen. 1 



FIG. 52. FROM A SECTION THROUGH THE KIDNEY OF A CASE THAT DIED 



AFTER MEAT-POISONING AT WELBECK. 



The figure represents part of a glomerulus of a Malpighian corpuscle, in which 

 some of the capillary blood-vessels are filled with the bacilli. Magnifying 

 power 70 J. 



1. Capsule of Malpighian corpuscle. 



2. Capillaries filled with bacilli. 



3. Capillaries empty. 



4. Bacilli contained between capillaries. 



(d) Bacillus of choleraic diarrhoea from meat-poisoning. In 

 July, 1880, 2 there occurred in Welbeck, Notts, an extensive out- 

 break of diarrhoea among over seventy-two persons who had 



1 Klein, Reports of the Medical Officer of the Privy Council, 1875. 



2 Report by Dr. Ballard in the Reports of the Medical Officer of the Local 

 Government Board, 1680. 



