xiii] MICROBES OF MALIGNANT ANTHRAX 273 



o*o2 mill, in length, and o'ooi to o'ooi2 in thickness ; they 

 are truncated.^ The spores produced by growing the baciUi 

 with free access of air are about o'ooi mm. thick, and about 

 o"oo2 to o'oo3 mm. long. They are not stained by the 

 ordinary dyes and differ herein from the bacilli. 



Fig. 102.— From a Section through thk Si'leex of a Guinea-pig dead of 

 Malign,a.nt Anthrax, showing nuhieriks Lacili.i Anthracjs in the 



Sl'LEEN PULl'. 



X about 700. 



In the human subject malignant anthrax occurs a>, "' woolsorter's 

 disease" ; for the aetiology and pathology of this malady see Spears 

 [I\rports of the Mdiical Offttcr of the Local Covcrnment Boanf, iSSi and 

 1882) and Greenfield (;'(^/(/. 1S81). It occurs aLso in sorters of hides 

 and rags. 



All rodents and herl-ivorous animals are susceplilJe to anthrax ; 



■* It is generally assumed that the bacilli are the same in all animals 

 affected with splenic fever, but this i^ most undoul")tedly not the case, 

 as has been already pointed out by Iluber ( Dentsclic Med. Woek. iSSi) ; 

 the bacilli of the guinea-jiig are thicker than those of the mouse 

 or sheep, and these again are thicker than those of the rabbit. 



