314 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 9 



Scientific Notes 



New Jersey Mosquito Association Meets. This organization, which has for its 

 object the elimination of the mosquito from the standpoint of human comfort and the 

 attendant property values, held its tliird annual meeting on the 17th and 18th of 

 February. As might be expected from its pui'pose the membership is composed of 

 business and professional men of all sorts. To become a member it is merely neces- 

 sary to inform the proper persons that one wishes to become connected with the 

 movement. No dues or assessments are levied upon the individual members and the 

 necessary expenses are borne by the organizations which belong to it. 



The program of this meeting included five speakers, who were professionally 

 connected with the practical work; eleven, who were identified with it as members of 

 directing boards; two who were responsible for the state work and the correlation 

 of the work of the county units; three who represented the taxpayers who receive the 

 benefits and pay the bUls; one, who represented the Interstate Anti-mosquito Com- 

 mittee; and one, who represented the mosquito work of the country as a whole. 



One member of the first group, Mr. James E. Brooks, showed that dikes, tide gates, 

 and trenching, drain shut-in areas of salt marsh, which the ordinary trenching wUl 

 not protect, in such a fashion that no serious emergence of mosquitoes takes place. 

 Another member, Mr. WUliam Delaney, pointed out that pumps are necessary on 

 certain enclosed marshes that have shrunken below the sea level, and that a twelve- 

 inch, low-head, motor-driven, centrifugal pump with necessary trenching removed 

 the water from 800 acres of bad breeding marsh in such a fashion that no serious 

 emergence could occur. 



Another member of this group, Mr. Harold I. Eaton, showed that the average 

 acre cost of salt marsh trenching for 12,000 acres drained in the last three years was 

 $4, and that the price exclusive of administration expense had been reduced from 

 $5.22 in 1913 to $2.75 in 1915. Another member, Mr. Russell W. Gies, showed that 

 the average per capita cost of county-wide mosquito control work was about 12 cents. 

 Another, Mr. John Dobbins, pointed out the methods, which four years' experience 

 in the practical work had proven to be best for fresh water mosquito control. 



The members of the second group, Dr. William Edgar Darnall, Mr. E. B. Walden, 

 Mr. Joseph Camp, Mr. Spencer Miller, Dr. H. H. Brinkerhoff, Mr. Charles Deshler, 

 Mr. Ira Barrows, Mr. Walter Hudson, Mr. Robert F. Engle and Mr. Louis J. Rich- 

 ards, confined their statements to the status of the practical work in the counties 

 which they represented. 



The fu'st member of the third group. Dr. Jacob G. Lipman, pointed out the tremen- 

 dous agricultural and urban development which awaits the satisfactory control of the 

 mosquito pest. The second. Dr. Thomas J. Headlee, pointed out the various prob- 

 lems of the New Jersey mosquito's natural history and control that have been recently 

 solved and some of those which still await solution. 



The members of the fourth group, Mr. Thomas Mathias, Mr. E. Morgan Barradale, 

 and Mr. John N. Cady, devoted their attention to the results of the work (which they 

 said were good) and the esteem (which they said was high) in which it is held by those 

 who pay the bills. 



Dr. Haven Emerson, commissioner of health for New York City, and member of 

 the fifth group, outhned the work of this committee as one of correlating the mosquito 

 control work of Connecticut, New Jersey and New York. 



Dr. L. O. Howard discouraged the use of bats as a means of mosquito control in 

 New Jersey on the ground that natural conditions did not favor the attempt. He 

 set forth the work of King connecting Anopheles punctipennis Say. with the carriage 

 of malaria and gave a brief account of the Bureau's work against the malarial mos- 

 quito in the lower Mississippi valley. 



