Plate xvi. top. Members and guests of the Conference Committee on Mos- 

 quito Extermination inspecting Newark meadows, then recently ditched, on 

 June 2, 1905. In tlie foreground, in cap, is Dr. John B. Smith, bottom. 

 Associated Executives of Mosquito Control Work in New Jersey. This or- 

 ganization has met monthly since 1921. Seated at head of table is Thomas 

 J. Headlee. 



