174 Body‘lice under Summer Conditions in Mesopotamia 
the official reading rarely exceeded 100° F. but ran up in tents to 115° F. 
most days for about two months. The climate was extremely dry. 
This note may appear to entomologists to repeat what is known 1 , but 
I publish it in the hope that it may perhaps help to convince that "practical 
man” the sanitarian. 
1 Consult. Nuttall ( Parasitology, x, pp. 87-91, 132; xi. pp. 205, 206) on seasonal variation in 
the number of lice on man. 
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