2278 



COSMOPOLITAN SKIN DISEASES 



Lupus erythematosus, as regards which we agree with those 

 writers who do not consider it of tubercular origin, is very rare 

 in the tropics. 



While tuberculosis of the lungs is at the present time extremely 

 common in many parts of the tropics, skin affections of tubercular 

 origin are, comparatively speaking, infrequently met with. 



SYPHILIS— VENEREAL SORES— BALANO-POSTHITIS. 



At the present date syphilis is rampant all over the tropics. 

 In the past there is reason to believe that it was unknown in many 

 of those tropical regions which were unopened to the cosmopolitan 



Fig. 904. — Papulo-Squamous Syphili;de» 



trade. According to Lambkin, in some parts of Uganda syphilis 

 affects more than half of the population, and this enormous diffusion 

 of the malady has taken place during recent years since the country 



