THE OROVILLE CAMPAIGN 119 



Progress During Second Year. — The following data 

 taken from H. F. Gray's report for 191 1 indicate the 

 progress made in the second year's work. 



Oroville continued the anti-mosquito campaign in 

 191 1, but on broader lines. The control of the house 

 fly and matters of general sanitation were combined 

 with the work against the mosquito. Special attention 

 was paid to educational publicity, and an earnest 

 attempt was made to bring the citizens to a realiza- 

 tion of the importance of better health conditions. 

 From the standpoint of increasing the public virtue 

 and interest in such matters, the campaign was an 

 unqualified success. Though no actual statistics were 

 available, it is certain that malaria was reduced be- 

 yond the reduction of the previous year ; in fact, at 

 present malaria is practically stamped out within the 

 city limits. As a mosquito eradication campaign alone, 

 however, the campaign was not completely successful 

 for several reasons. Owing to the expected early 

 completion of the sewer system, cesspools were in 

 extremely bad condition, and many were breeding 

 Culex mosquitoes, but no Anophelines ; the weather 

 conditions (a large precipitation in the winter, a cool 

 spring, followed by a sudden onset of the hot weather) 

 were such that mosquitoes were naturally unusually 

 numerous ; the campaign being general, the efforts of 

 the Field Agent were divided among several important 

 matters, and while every endeavor was made to eradi- 

 cate Anophelines whenever found in either larval or 



