xiii] MICROBES OF MALIGNANT ANTHRAX 



275 



subcutaneous inoculation with anthrax, bacilli anthracis in the alveolar 

 cavitie'; and in the smaller and larger bronchi. Ingestion of bacillar 

 material is sometimes followed by anthrax, but in these cases abrasions 

 in the mucous membrane of the mouth, pharynx, or gut may have 

 been the real place of entrance. Mice fed with fresh anthrax material 

 do not become infected (Klein, ibid. iSSi). But the reported cases 

 of intestinal mycosis (see, for the literature of this subject, Koch, 



Fig. J04. — Section throl'Ch the Pustulk of Malignant Cakriinct-e in 

 I\Ia.\. The IjLOOD-VESSELhi OF the Skin ake filled \vitei IjAlilli 

 Anthracis. 



Low m;i.gnification . 



" /Etiologic d. Milzbrandes,'' Milthcil. a. d. k. Gesuudheilsainfe, 

 18S1) indicate that infection with spores by the alimentary canal is 

 not excluded. Compare also Falk, Vin:ko-iVS Arc/iiv^ vol. xciii. 

 From the observations by Koch and Gaffky it has become clear that 

 infection of sheep by the alimentary canal can be produced with spores. 



Normal frogs are insusceptible to anthrax. 

 Frogs and adult rats are ho\Yever susceptible if they are 

 subjected to chloroform narcosis and the injection is made 



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