Proceedings of Seventh Annual Meeting 95 



in Fairfield that has given no trouble during the 7 years that it has 

 been ditched. 



Before closing, mention should be made of two improvements 

 that are being made by the City of New Haven, as they have a direct 

 bearing on the mosquito situation. For several years in the western 

 part of the city, there have been outbreaks of the rain-barrel mos- 

 quitoes which bred in the upper part of West River where the water 

 was polluted by waste from several factories, including two dye 

 works. A trunk sewer is under construction which will take the 

 waste from these factories. New tide-gates have just been com- 

 pleted at a cost of over $40,000 on the West River at Congress Ave- 

 nue Bridge. The super-structure is of reinforced concrete, with 

 gates of double 3-inch tongued-and-grooved planks and hung with 

 special hinges. These gates control the water on about 130 acres 

 of marsh ditched in 191 7, and which has been flooded much of the 

 time for the past two seasons. These improvements should make a 

 marked difference in the mosquito-breeding conditions in the western 

 part of the city. 



From the progress that has been made in the elimination of the 

 salt-marsh mosquito in Connecticut during the last two or three 

 years, it is quite evident that the only way in which we can hope to 

 drain all of the marsh area, is by a state appropriation to cover the 

 entire cost of the original ditching work. 



President Hudson : The next paper has to do with Nassau 

 County, by W. H. DeMott, chief inspector of the Nassau County 

 Mosquito Extermination Commission. 



