12 ivrijnm ( TION 



a law in Spain and Pm-m-al \\hidi obliged the parent 



M.aivM relative Of a consumptive t notify tin- authorities 



when tin- patient had ft] . id "I" lli-- dis- 



Baae. This Was don,- for tin- purpose of making BUTC <>f the 



u of the |Hrsonal cdccts of the paii< nt after his 



death. 



In the first half of (he ninrtrriith century lit tie at tention 

 aid In the t henry that t ulnvulo>i< \\ BD lv 



men. The contagiousness or conununieal>ility of the 



1. Robert Koch (Dec. 11, 1843, -May 27, ! tl.o 



Till- [fa*. 



disease could not he scientifically demonstrate.!, and althou.irh 

 were physicians here and there who helieved in tin- infcc- 

 tiousness of the disease, nothing [>ositive was taught in i 

 to it at the centres of medical learning. 



At last, in 1865, the I-Yeneh j)hysician Villeiuin demon- 

 strated beyond a shadow of doubt that tul>er< -ulo<is could 

 be transmitted from one individual to another. lie inoculated 

 animals with tuberculous substances and reproduced tuber- 

 culosis not only in the lun^rs hut also in other portions of the 

 body. Since this discovery and its verification l>y numerous 

 cxpcriine: K-h as Cohnheim, "Welch. Pruddei 



