212 



J. W. SCOTT MACFIE. 



Details of ten of the experiments upon the biology of Stegomyia fasciata. 



The temperatures recorded are those registered daily by a maximum and minimum 

 thermometer hung in the room in which the glass jars containing the mosquitos were 

 kept. 



Abbreviations ; " R." =the female mosquito refused to feed on blood. 

 " Fed "=the female mosquito fed on blood. 

 " — " =no opportunity of feeding on blood was given. 



Experiment No. I. 



13th January 1915. One female Stegomyia fasciata, hatched to-day, isolated in a 

 glass jar under the usual conditions. Three males added, one hatched to-day, and 

 two hatched yesterday. 



Date. 



Range of 

 temperature. 



Arm offered at 

 Daylight, 1-2 p.m. ' Dark, 8-9 p.m. 



Jan. 



13 



79-83° r. 



R. 



R. Female had fed on honey. 



j> 



14 



76-84 



R. 



R. 



>> 



15 



75-84 



R. 



Fed. 



55 



16 



76-84 



R. 



R. 



55 



17 



76-84 



R. 



R. 



55 



18 



78-83 



R. 



R. 



i5 



19 



79-84 



R. 



R. Eggs laid this evening — 

 Batch I. 



55 



20 



79-83 



R. 



Fed. 



55 



21 



76-84 



R. 



R. 



»» 



22 



74-86 



R. 



R. 



55 



23 



71-81 



R. 



R. A few egffs found this 

 evening — Batch 11. 



>> 



24 



75-83 



R. 



R. 



?» 



25 



74-84 



R. 



Fed. 



5» 



26 



76-84 



R. 



R. 



55 



27 



75-86 



R. 



R. 



5» 



28 



76-84 



R. 



R. 



*y 



29 



80-84 



R. 



R. 



5» 



30 



76-83 



R. 



R. 



»» 



31 



79-83 



Fed. A few eggs found this 

 morning — Batch III. 



R. 



Peb. 



1 



79-84 



R. One male dead. 



R. 



>f 



2 



78-84 



R. 



R. 



>> 



3 



73-85 



R. 



R. 



>> 



4 



74-83 



Fed. Eggs found this morn- 

 ing—Batch IV. 



R. 



»» 



5 



76-84 



R. One male dead. 



R. 



9* 



6 



78-84 



R. 



R. 



i» 



7 



76-84 



R. 



R. 



»» 



8 



77-84 



Fed. Eggs found this morn- 

 ing — Batch V. 



R. 



if 



9 



79-83 



R. Last male dead. 



R. A freshly hatched male 

 introduced at 4 p.m. 



>5 



10 



79-83 



R. 



R. 



it 



11 



79-84 



R. 



R. A few eggs found this 

 evening — Batch VI. 



'» 



12 



80-84 



R. 



R. 



n 



13 



80-84 



R. 



Fed 



if 



14 



81-85 



R. 



R. 



t* 



15 



80-85 



1 



R. 



R. 



