78 Proceedings of Ninth Annual. Meeting 



The writer wishes to acknowledge his indebtedness to Mr. 

 George S. Yerger, owner of Hecla plantation, for his interest 

 and co-operation in the work ; to Mr. Alexander Clark, manager 

 of Hecla plantation, for the supervision of the work of clearing 

 the bayou and the construction of the crcss-levee and spillway of 

 the dam ; to Mr. Haw Kirkpatrick for the photographic work 

 in connection with the project; to Dr. R. E. Coker, Dr. A. F. 

 Shira and Mr. F. M. Barnes, of the U. S. Bureau of Fisheries, 

 for the co-operative work on fish; to the U. S. Bureau of Plant 

 Industry for the plant determinations; to the U. S. Geological 

 Survey for the topographical maps of the region ; and to Messrs : 

 H. H. Kimball, A. H. Jennings, E. Foster and F. H. O'Neill, 

 formerly of this bureau, for assistance in the survey work. 



Mr. Gies — I would like to ask Dr. Howard how often the 

 water was raised and lowered in the impounded area and the 

 amount of drawing off or raising of the level of the water which 

 was done. 



Dr. Howard — I am sorry I cannot answer that question. 



Secretary Headlee — Mr. Chairman, I would like to bring 

 to the attention of the men that at Lake Carnegie, near Prince- 

 ton, in the course of some anti-malarial work, this scheme of 

 lowering the level of the lake was tried, I think about five years 

 ago, and the results, are just as Dr. Howard describes it for this 

 impounded bayou in the South. 



As most of those things are, it was discovered by accident. 

 It happened that along about the time the students left the uni- 

 versity, someone removed a board in the dam and dropped the 

 water level one foot and exposed a smooth, clean beach all 

 around the entire lake which is rather large and the shore mos- 

 quito breeding was cut out by that completely. 



President Meyers — We will now go into the business meet- 

 ing of the association. I will call for the report of the secretary. 



Report of the Secretary. 



Secretary HeadlEE — Mr. President and Gentlemen of the 

 New Jersey Mosquito Extermination Association, your secre- 

 tary has, with the aid of the assistant secretary, edited the pro- 



