ROLE OF STOMOXYS CALCITRANS. 

 Table III. — Series of transfers of several Stomoxys. 



487 



Interval after 

 feeding on in- 

 fected animal. 



Number of 

 flies used. 



No. of 



healthy 



guinea pig 



used. 



Length of time 

 fed on new- 

 host. 



Days.hrs. mins. 







Mins. sees. 



20 



2 



18 



12 00 



20 



1 



34 



3 00 



30 



1 



10 



2 00 



1 30 



2 



6 



3 00 



15 00 



1 



8 



1 00 



21 00 



1 



27 



3 00 



1 00 00 



2 



13 



10 00 



1 00 00 



2 



25 



6 00 



25 40 



1 



51 



40 



27 00 



1 



36 



4 00 



39 00 



1 



23 



1 00 



44 00 



1 



31 



2 00 



2 00 00 



1 



11 



4 00 



2 00 00 



2 



15 



18 00 



64 00 



1 



7 



4 00 



64 00 



1 



38 



40 00 



3 00 00 



3 



17 



14 00 



Table IV. — Series of transfers of a single Stomoxys. 



Interval 



after feeding 



on infected 



animal. 



No. of 



healthy 



guinea pig 



used. 



Length of 

 time fed on 

 new host. 



Interval 



after feeding 



on infected 



animal. 



No. of 



healthy 



guinea pig 



used. 



Length of 



time fed on 



infected 



animal. 



Days. hrs. 





Mins. sees. 



Days. 





Minutes. 



21 



39 



2 00 



21 



68 



6 



2 00 



22 



30 



22 



71 



4 



3 00 



32 



1 00 



23 



73 



4 



4 00 



37 



3 00 



24 



75 



6 



6 00 



12 



6 00 



25 



77 



5 



8 00 



42 



6 00 



26 



79 



3 



9 00 



16 



5 00 



27 



81 



4 



10 00 



28 



3 00 



28 



83 



4 



11 00 



1 



5 00 



29 



85 



4 



12 00 



52 



5 00 



30 



87 



5 



13 00 



54 



2 00 



31 



90 



6 



14 00 



15 00 



16 00 



17 00 



18 00 



19 00 



57 

 59 

 61 

 63 

 40 

 65 



9 00 

 6 00 

 6 00 



4 00 



5 00 

 4 00 







































20 00 



66 



3 00 











1 1 



The experiments of both series were concluded with negative 

 results. 



