190 



In this plot there was an increase of nearly 29 per cent, in 

 red salt grass and a decrease of 30 per cent, in the predominat- 

 ing species, rush grass. There was alsO' an increase of 100 per 

 cent, in spike grass, in Salicornia, in rush grass invaded by spike 

 grass, and in rush grass invaded by Salicornia. 



These are only indications of what may take place, but are 

 facts as related to these two particular plots, small as they are. 

 We should collect corresponding data for a large number of 

 typical plots, better still if whole marshes could be under obser- 

 vation. We hope to be able to carry this work along, and to 

 resurvey each plot at least as often as every three or five years, 

 and record the changes which have taken place. 



I cannot close without expressing to you my appreciation of 

 what you are doing in New Jersey to eliminate mosquitoes, and 

 my whole-hearted faith in the ultimate success of this work and 

 the great benefits that will follow it — benefits to public health, 

 increased public comfort, and increased business and property 

 valuations. 



If everybody felt as I feel there would be no trouble in ob- 

 taining appropriations for this highly important line of civic 

 activity. 



Pre:sidknt Darnai.1, — The next paper is by Mr. W. J. 

 Schoene, State Entomologist of Virginia. 



Mosquito Situation in Virg-inia. 



BY W. J. SCHOKNE:, state ENTOMOI^OGIST, BI.ACKSBURG, VA. 



The mosquito situation is reflected to an important degree by 

 the number of cases of malaria occurring in the State, and the 

 records of the State Health Office show that 11,407 cases were 

 reported during the past year. The information given in this 

 paper was tabulated especially for the writer through the courtesy 

 of the State Health Officer, Dr. E. G. Williams. The large 

 black dots (fig. 18) are intended to show the distribution of the 

 11,000 odd cases of malaria in Virginia by counties, and the 

 area of the dot varies as the actual number of cases reported. 



