SMALLPOX, SYPHILIS, CANCER, ETC. 207 



hardly account for chromidial forms, c, and not at all for 

 well-formed nuclei such as that at d being present in some 

 of these bodies : such nuclei recall Olpidiiforma, Fig. 46, 5, 

 and the temporary nuclei in Plassomyxa contay., Fig. 31, 6 

 and 7 ; in syphilis, Fig. 52, x and y ; in cancer, Fig. 55, 

 5, &c. 



FIG. 59. NEGRI'S BODIES IN HYDROPHOBIA, a and b, two adjacent 

 cells in the Cornu Ammonis of a dog ; a contains a vacuolated Neuro- 

 ryctes, another is in the brain substance near ; 6, contains three small 

 parasites below the nucleus ; c, brain-cell of a dog from a smear and 

 five large parasites ; d, a large parasite with a nucleus, a and 6, 

 X 1000 ; c, after Williams and Lowden ; d, from Calkins after Negri. 



Pasteur. One cannot leave the subject of hydrophobia 

 without thinking of one name, that of Louis Pasteur, who 

 began his work on hydrophobia in 1880 and treated his 

 first human patient with success in 1885. It may be wholesome 

 for us to reflect that perhaps the greatest name in the history 

 of medicine is not the name of a medical man. 



Pasteur's antirabic vaccine is the only true vaccine 



