MICROBIAL DISEASES OF MAN AND DOMESTIC ANIMALS 849 



be thus regarded as practically a specific. It responds positively to 

 the Wassermann test and is more uniform with respect to this test 

 than syphilis. 



Other Spirochetal Diseases 



Ulceration granuloma of the pudenda is a tropical disease-which 

 has been claimed to be caused by a spirochaete, although its etiology 

 still remains uncertain. 



Spirochsetes cause diseases of geese in southern Russia and of fowls in 

 Brazil and in other tropical countries. The spirochaete of fowls, Spiro- 

 chcBta gallinarum, P. Blanchard, is transmitted by a tick, Argas miniatus; 

 the means by which the goose spirochaete, Spirochata anserina, Sacharoff , 

 is carried is not known. 



54 



