Proceedings of Eighth Annual Meeting 71 



South Shore 



North Shore 



Culex 



Aedes . . . 

 Anopheles 



46% 

 49% 

 5% 



48.2% 

 12. % 

 39.8% 



To date no attempt has been made to start a house to house 

 campaign against the Culex pipiens, as we have a large number of 

 field violations to keep under control. This year we anticipate start- 

 ing the house to house work in the incorporated village of Free- 

 port. 



Our yearly appropriation is not sufficient to carry on a county wide 

 house to house campaign together with the salt marsh drainage and 

 the upland field work, so we are going to clean up one village at a 

 time until we get all of the salt marsh drained and under control. 



Summary of upland work season of 1920 : 



Total number of owners of violations 652 



Total number of inspections 12,595 



Total number of times breeding killed 1,877 



Total number of gallons of oil used 16,443 



Total footage new ditches installed 28,864 



Total footage old ditches cleaned 663,449 



Total footage old ditches recleaned 12,425 



Total number of ponds lowered 34 



Total number of swamps drained i 



Total footage pond edges trimmed and cleaned 5,ooo 



Inspections made every 6 days. 

 Territory under control, 200 square miles. 

 Cost per acre, 12 cents. 



Number of malaria cases in entire County, 0. 



The commission owns 8 automobiles, 3 motor boats, and I motor- 

 cycle which are used as follows : 



Two suburban body cars are used to transport the upland labor 

 crews. 



One touring car for the chief engineer. 



One motorcycle for the machinist (used to reach a break-down). 



One truck for the salt marsh mainland labor crew. 



Three boats for the mainland and island areas. 



Four small commercial cars for the upland inspectors. 



The upland inspectors^ cars are equipped with a small box body, 

 large enough to carry one barrel of oil, two spray pumps, and 2 four 

 gallon oil tanks. 



automobile transportation 



