MALARIA EXPEDITION TO NIGERIA 
229 
J. Lokoja — Barracks 
Age 
No. Examined 
Result 
O-I 
7 
4 positive 
(1) Few aestivo-autumnal rings — one crescent 
(2) Several „ , „ „ 
(3) Numerous aestivo-autumnal rings 
(4) An occasional ring form 
1-2 
6 
6 positive 
(1) Several aestivo-autumnal rings 
(2) Numerous „ ,, „ 
(3) An occasional ring form 
(4) Numerous aestivo-autumnal rings 
(5) 
(6) „ 
2-3 
4 
3 positive 
(0 Few 
(2) Several ,, „ „ 
(3) An occasional ring form 
3-4 
1 
4-5 
2 
1 positive 
(1) Several aestivo-autumnal rings 
5-6 
