112 



insect No. 9 on the twenty-fifth (to twenty-seventh) and again on the 

 twenty -seventh (to twenty-ninth) day after its metamorphosis. 



Table 6. — Inoculation with mosquitoes Nos. 7, 8, and 9. 

 [Nonimmunes are designated by capital letters.] 



Mosquito No. 10 (Set 3, Group III) stung subjects B and G, 2 and 

 26 daj's respectively after emergence from the pupal shell, the latter 

 inoculation being 4 days after the 22-day period. 



Table 7. — Inoculation with mosquito No. 10. 

 [Nonimmunes are designated by capital letters.] 



With mosquitoes Nos. 11, 12, 13, and 14 we made one inoculation at 

 least 22 days after completing their metamorphoses, and nine inocula- 

 tions of seven subjects (B, F, G, J, L, M, and N) at varying intervals, 

 after this period up to and including the fortieth day after attaining 

 the adult stage, as shown in Table 8. 



Table 8. — Inoculation with mosquitoes Nos. 11, 12, 13, and 14. 

 [Nonimmunes are designated by capital letters.] 



a Subject passed from observation after 6 days. 

 'Subject passed from observation after 5 days. 



We have recorded above our work with particular reference to the 

 mosquitoes. Below (Table 9) we tabulate it with reference to the non- 

 immunes who were the subjects of the inoculations. 



