76 MALARIA 



of the educational work has been the instruction given 

 in the schools. The interest taken in this work is 

 evidenced by a large number of essays on the subject 

 that have been written by the pupils beginning with 

 the third grade. All of the essays show an under- 

 standing not only of the work, but of the importance 

 of exterminating the mosquito. Several of these are 

 given below. The reader must bear in mind that the 

 essays are written by children and are here given only 

 to show the interest taken in the work. 



How the Children can Help 



(By a Fifth-grade Pupil) 



You can help your city with the mosquitoes. To do this do 

 not be careless by leaving anything that will hold water. To pre- 

 vent mosquitoes from laying eggs do any one of the things I have 

 written here. 



1. By turning buckets over so the rain cannot fill them with 

 water. 



2. By putting oil or lard into the bucket. 



3. By putting holes into the bucket so that the water will 

 run out. 



4. By covering it over so that the mosquito cannot get in 

 and lay her eggs. 



If you put lard or oil into the bucket it rises to the top and 

 the wrigglers that arc in it cannot breathe. From the egg to the 

 " Wriggler" takes about twenty-four hours. It takes ten days for 

 the wriggler to become a mosquito. A mosquito lives about 

 thirty-five days, but sometimes they make a home in damp 

 places and sleep all winter, and they come out in later winter or 

 early spring. When they are wrigglers they have tubes to breathe 

 through, but when they arc " tumblers " they breathe through trum- 



