222 



J. W. SCOTT MACFIE. 



Experiment No. IX. 



27th March 1915. A female and a male Stegomyia fasciata, just hatched, isolated 

 in a glass jar under the usual conditions, l^ut placed in the incubator at 37° C. The 

 mosquitos were therefore kept also in the dark, except when taken out for the purpose 

 of offering them my arm for feeding. 









Arm offered at 





Date. 















8-9 a.m. 







2-3 p.m. 



March 



27 



R. 





R. 





»> 



28 



R. 





R. 





»» 



29 



R. 





R. 





»> 



30 



R. 





R. 



Fresh male added, as original 

 one sick. He died later in 

 the day. 



»» 



31 



R. 





R. 





April 



1 



R. Male dead : replaced by 



R. 









another. 









»» 



2 



R. 





R. 





»» 



3 



Fed. 









»» 



4 



— 









»» 



5 











>» 



6 







R. 





»» 



7 



— 









»» 



8 



R. Male dead. 





R. 





>» 



9 



R. 





R. 





>» 



10 



R. Newly hatched male added. 



R. 





j» 



11 



R. 





Fed slightly. Male dead. 



?» 



12 







R. 





»» 



13 



Female dead. 









Experiment No. X. 



16th April 1 915. One male and one female Sfegomyiafasciata, just hatched, isolated 

 under the usual conditions, but kept in the incubator at 37° C, and incidentally in the 

 dark, except when taken out to be offered blood feeds from my arm. Pairing was 

 observed repeatedly, and both mosquitos evidently drank honey frequently. 











Arm offered at 





Date. 



















8-9 a.m. 







2-3 p.m. 



April 



16 









R. 







17 



R. 







R. 







18 



R. 







R. 







19 



R. 







R. 







20 



R. 







R. 







21 



R. 







R. 







22 



R. 







R 







23 



R. 







R. 







24 



R. 



Male dead. 





R. 



Newly hatched male added. 





25 



R. 



Female feeble and fell into the 



R. 











water in the jar. 



Rescued. 







»» 



26 





Female dead. 









