E. Kindle 
139 
Infectivity of the organs of ticks kept at moderate temperatures. 
Exp. 1. (Nuttall and Fantham) 16. ii. 09. 0. moiibata, immature ? , last fed 12. xi. 08. 
Kept at a uniform temperature of 20° C., and finally, for 24 hours at 24° C. 
Tick material injected 
Result of 
inoculation 
Incubation 
period (days) 
Coxal fluid + excrement 
+ 
8 
Malpighian tubules 
+ 
8 
Salivary glands 
- 
- 
Ovary 
F 
21 
Exp. 2. (N. & F.) 23. iii. 09. 
uniform temperature of 20° C. 
0. moubata, adult 
¥ , 
last fed 12. xi. 
08. Kept at a 
Tick material injected 
Result of 
inoculation 
Incubation 
period (days) 
Gut + contents 
+ 
6 
Malpighian tubules 
+ 
8 
Salivary glands 
6 
Ovary 
+ 
15 
Exp. 3. 0. moubata, immature 
¥ , fed on infected 
mouse 8 days previously. Kept at 
a uniform temperature of 21° C. 
Tick material injected 
Result of 
inoculation 
Incubation 
period (days) 
Microscopical 
examination 
Gut + contents 
+ 
6 
+ 
Malpighian tubules 
- 
- 
- 
Salivary glands 
- 
- 
- 
Ovary 
- 
- 
- 
Exp. 4. 0. moubata, adult d , fed on infected mouse 
21 days previously. Kept at a 
uniform temperature of 21° C. 
Tick material injected 
Result of 
inoculation 
Incubation 
period (days) 
Microscopical 
examination 
Gut + contents 
+ 
11 
- 
Malpighian tubules 
- 
- 
- 
Salivary glands 
- 
- 
Testis 
- 
- 
- 
Exp. 5. 0. moubata, immature 
¥ , fed on infected 
mouse 7 weeks previously. Kept 
at a uniform temperature of 21° C. 
Tick material injected 
Result of 
inoculation 
Incubation 
period (days) 
Microscopical 
examination 
Gut + contents 
- 
- 
- 
Malpighian tubules 
Mouse died, negative 
- 
- 
Salivary glands 
- 
- 
- 
Ovary 
- 
... 
- 
Exp. 6. 0. moubata, immature 
¥ , fed on infected 
mouse 5 months previously. Kept 
at a uniform temperature of 21° C. 
Tick material injected 
Result of 
inoculation 
Incubation 
period (days) 
Microscopical 
examination 
Gut + contents 
7 
- 
Malpighian tubules 
+ 
14 
- 
Salivary glands ^ 
- 
- 
_ 
Ovary 
+ 
7 
- 
