J 78 THE YELLOW FEVER CAMPAIGNS 



for fumigating, paper, paste, laths and all accessories 

 for sealing. 



Screening Materials. — Bobinette and sheeting, wire, 

 portable wire-screened doors, ladders, nails, hammers 

 and all accessories. 



Oiling Materials. — Oil and oil cans, ladders, scythes 

 for cutting rank grass, carts. 



A map of tlie district was kept at each office and 

 the progress of the cases, the number of cisterns 

 oiled, and of houses fumigated were recorded with 

 dates. The various gangs, whether inspectors, oilers, 

 screeners or fumigators, left the Ward Offices early 

 in the morning for their appointed tasks, or at such 

 time as they were particularly required. A practitioner 

 might report a case to the Central Office or directly 

 to the \\'^ard Office in which the case occurred. If 

 in the former manner, the Central Office telephoned 

 to the Ward Officer concerned. As the result of 

 the call, a screening and fumigating gang (see 

 illustration) would be dispatched, the patient's room 

 would be screened and the rest of the house fumi- 

 gated, or the patient would be removed in the 

 ambulance (see illustration) to the Emergency Hospital, 

 and the house fumigated. Depending upon circum- 

 stances, the surrounding blocks would also be fumigated, 

 and from the tenth to the thirtieth day of the 

 occurrence of tlie case the Medical Inspector would 

 visit the house every day to locate any secondary cases. 



The work of the Central Office consisted in 

 directing the work of the AN'^ards, receiving reports !| 

 of cases, preparing and issuing reports and instruc- 



