226 THOMPSON YATES LABORATORIES REPORT 
F. Onitsha Children 
Age 
No. Examined 
Result 
O-I 
O 
1-2 
4 
2 positive 
(1) Several aestivo-autumnal rings 
(2) Numerous aestivo-autumnal rings 
2 -3 
2 
2 positive 
(1) Two crescents 
(2) Few aestivo-autumnal rings 
3"+ 
5 
1 positive 
(1) IVIany cjuartan parasites 
+"5 
4 
1 positive 
(x) Few quartan parasites 
5 ° 
4 
2 positive 
(1) Occasional ring form 
(2) „ „ „ 
6-7 
5 
7-8 
2 
1 positive 
(1) A single crescent 
8-9 
9-10 
2 
10+ 
0 
G. Akassa 
Age 
No. Examined 
Result 
O-I 
3 
i positive 
(1) Several aestivo-autumnal rings (5 months) 
1-2 
2 
2 -3 
I positive 
(1) Few aestivo-autumnal rings 
3-+ 
1 
4-5 
0 
5-6 
2 
2 positive 
(1) Few aestivo-autumnal rings 
(2) „ „ 
6-7 
7-8 
2 
1 positive 
(1) Numerous aestivo-autumnal rings 
