THE OROVILLE CAMPAIGN 117 



April 5, 1910. Wrigglers in window exhibits 

 hatched. Many spectators gathered about window to 

 inspect the simple life of the mosquito. Gave simple 

 explanation of what was occurring there to those 

 interested. Inspected some of the southeast part of 

 town where tub, horse's trough, and barrel were found 

 containing many wrigglers. Demonstrated mosquito 

 work to a number of citizens and children thereabout. 

 Took photos of children. In afternoon went over the 

 ground in Thermalito and Natomas Consolidated 

 dredgers with J. J. Hamlin and flagged most important 

 places so as to stir up interest in that vicinity. 



April 6, 1910. Inspected along the levee and back 

 of part of business section toward Chinatown. Found 

 five barrels back of restaurant filled with water; 

 many wrigglers were found in three of them, the other 

 two had been swill barrels and had some grease in 

 them which prevented wrigglers from breeding. A 

 number of citizens became interested in these barrels. 

 Prepared more exhibits for school children. Went 

 over the ground as far as Indiana dredgers ; found 

 some dredger buckets back of Boston Machine Shop 

 with wrigglers and flagged them. 



April 7, 1910. Spent the whole day in demonstrat- 

 ing to the school children by chalk talk lecture and 

 exhibits prepared. Visited ten rooms at the Bird 

 Street schoolhouse. After school hours passed the 

 Boston Machine Shop and found that buckets had all 

 been turned over, also found some of the school chil- 



