222 
THOMPSON YATES LABORATORIES REPORT 
B. Herbert Jumbo's Plantation — Bonny 
Age 
No. Examined 
Result 
O-I 
2 
Negative 
Ages : six months and unknown, respectively 
1-2 
7 
2 positive 
(0 
(2) 
Several aestivo-autumnal rings 
Several small and one large quartan form 
2-3 
4 
2 positive 
(0 
(2) 
Occasional ring form 
Numerous ring forms and all stages of quartan 
3-4 
6 
4 positive 
(0 
(2) 
(3) 
(4) 
Few aestivo-autumnal rings 
Occasional aestivo-autumnal rings 
Few aestivo-autumnal rings 
+-5 
6 
3 positive 
(0 
(2) 
(3) 
Numerous ring forms and all stages of quartan 
Numerous tertian parasites 
Several quartan parasites 
5-6 
2 
i positive 
(0 
Numerous aestivo-autumnal rings 
6-7 
4 
I positive 
(0 
All stages of quartan parasites 
7-8 
2 
i positive 
8-9 
6 
2 positive 
(0 
(2) 
Very occasional aestivo-autumnal ring 
Numerous tertian parasites 
9-io 
I 
IO + 
18 
i positive 
(0 
Several aestivo-autumnal rings : age io-ii years 
