54 LICE AND THEIR MENACE TO MAN 



illustration of this mobility was afforded in one 

 instance, where a van disinfector, which had just 

 disinfected a division of 18,000 troops in twelve 

 days in one area, went off about 500 miles to a 

 centre in Southern Egypt, where some cases of 



FIG. 10. THE "STAMMERS" OR SERBIAN BARREL. 

 An improvised disinfestor. (After Hunter.) 



, heavy stone ; 6, escaping steam ; c, wooden grid ; d, sand-bag 

 collar to conserve steam. 



typhus had occurred among the native labourers. 

 It disinfected the whole of the troops and labourers 

 (1500 in number) in three days, and was back at 

 work again in its former area disinfecting another 

 division on the fourth day " (2). 



The barrel disinfestor was devised three days 



