240 
1. On the immunity reactions of the Monkey after skin inoculation with 
Vaccine or with Variola Virus, p. 320. 
2. On the éffect of the locus of inoculation upon the Development of the 
Immunity, p. 323. 
3. On the time of development of the Immunity after inoculation of the 
skin with Vaccine or with Variola Virus, p. 327. 
PART IV. 
The Occurrence of Cytoryctes variole Guarnieri, in Experimental 
Variola and Vaccinia in Monkeys and in the Orang Utan, p. 333. 
PART V. 
Studies upon the Reactions of Variola Virus to Certain External 
Conditions, p. 341. 
