230 APPLIED BACTERIOLOGY 



mentioned bronchitis, Bright's disease, beri-beri, carcinoma, 

 cholera infantum, cystitis, dengue, dysentery, eczema, 

 endocarditis, gangrene, ' green diarrhoea,' measles, menin- 

 gitis, mumps, nephritis, ophthalmia, peritonitis, rotheln, 

 sarcoma, septicaemia, whooping-cough, etc. ; but the infor- 

 mation on all these appears at present to require further 

 confirmation before they should be included in a work 

 intended to be of an introductory nature only. 



These remarks also apply to many of the diseases of the 

 lower animals, of which may be mentioned : Eczema 

 epizootica ('foot and mouth' disease), fowl cholera, grouse 

 disease, hog cholera, pneumonia in horses, pleuro-pneu- 

 monia of cattle, 'rinderseuche,' septicaemia in cattle, swine 

 plague, silkworm disease, etc. These diseases are of no- 

 great consequence, so far as this country is concerned. 



The following diseases, however, which are due to- 

 parasitic fungi, are of practical importance, viz., pityriasis- 

 versicolor {Microsporon furfur), thrush (Oidium albicans), 

 favus {Achorion Schonleinii) , and ringworm {Trichophyton 

 tonsurans) . 



Microsporon Furfur. 



This organism, which is found in pityriasis versicolor, 

 belongs to the same family as the Tricophyton tonsurans 

 and resembles it in microscopic appearance ; it has not yet 

 been artificially cultivated. 



Thrush. 



In the white patches sometimes found in the mouths of 

 infants fed on milk, the spores and filaments of an organism 

 can be distinguished ; this thrush fungus is by some con- 

 sidered to be identical with the Oidiu7n albicans ; it can be 

 grown on milk, bread, gelatine, or agar, and on potato. On 

 all these media it produces a very copious growth, the 



