MALARIA 213 
in connection with our blood examinations that splenic enlargement does not 
seem to be a reliable indication of malaria in Liberia. A negative spleen does not 
exclude malaria in Liberia, while an enlargement of the spleen was not uncommon 
with a negative blood examination (see Tables I-III). 
TABLE I 
BLOOD AND SPLEEN SURVEYS 
Place Date Parasites + Spleen + Total Blood Cases 
1 qb iad Loh, 27 July 21 31-86 % 13-36 % 36 children 
DOIN set sci cs ue Aug. 4-12 16-33 % 8-16.6% 48 men 
Reppo’s Town...... Aug. 29 0 240 % 5 children 
Zeanschue......... Sept. 3 2- 9.5% 3-14 % 21 adults 
Suahkoko,......... Sept. 4 1-10 &% 1-10. % 10 adults 
Tappi School....... Oct. 3 0 7-29 % 24 boys * 
Cape Mount....... Nov. 14 _4-13.4% nls 3.4% 29 boys 
alo) 1 Co 54 35 
* Twenty-four boys were examined at the School but blood was taken from only seven, all of whom had 
enlargement of the spleen. 
Total Blood Examinations — 156 of which 54 were positive. Index — 34.6% 
Total Spleen Palpations — 173 of which 35 had enlarged spleens. Index — 20.2% 
TABLE II 
Plate Spleen + Blood + Blood and 
Blood neg. Spleen neg. Spleen + 
Kara ROW) os. <4. ves: 0 18 3 
Da NG Si. pee di 183) 1 
Reppo’s Town.... 2 0 0 
Zeanschue........ i 1 0 
SUAMICOKO: <i... oe ve 1 il 0 
Cape Mount...... 2! ve _0 
Motalaas.. ots. 13 39 14 
TABLE III 
CONSOLIDATED SURVEYS 
SPLEEN AND LIVER EXAMINATIONS IN LIBERIA 
Place Date No. of Cases Spleen + Spleen + + Liver and Spleen + 
ier Lowi. . July 21 36 children 10 2 : Siler — 0 
PING ste «xs #2 Aug. 4-12 15 men 3 0 0 
io a 2 3 0 
14. 0 0 0 
9 6c if 0 0 
LO. «* 4 0 0 
| ae 1 0 0 
Reppo’s Town. . Aug. 29 5 children 0 Seis _ 0 
Reppo’s Town. . Aug. 30 5 adults 0 i 0 
Zeanschue...... Sept. 2 ai 0 0 - 
Zeanschue...... Sept. 3 a. 0 3 - 
Suahkoko...... Sept. 4 an i 0 je 
152 4) 0) eee aes Oct. 3 24 boys 6 0 0 
Cape Mount.... Noy. 14 ny 0 1 0 
OtalS scx. s 209 28 10 
Spleen + 13.4% 
Spleen ++ 4.7% 
Spleen +++ 0.47% 
Splenic Index 
18.57 or 18.6% 
