228 MOSQUITOES 



pupic may be lifted out with a strainer and put in a shal- 

 low porcelain vessel where they can be watched with ease 

 under a dissecting- microscope. Anopheles larvae may be 

 studied in this way very easil}^ and no nature study could 

 be of more fascinating" interest than the observation of 

 these creatures, lying as they do with the body practi- 

 cally in a single plane, so that they may be easily 

 watched, with the mouth-parts in constant action, and 

 the head occasionally turning upside down and the re- 

 verse with lightning-like rapidity. 



