their own microscopes, follow all the most recent 

 work on Malaria, and eventually be in a position 

 themselves to add new facts to our knowledge of 

 this important disease. 



For instance, with very little apparatus it is 

 possible to undertake many most important re- 

 searches, e.g., to work out the rationale of infection 

 in any station or cantonment ; the form of the para- 

 site present ; the percentage of adults and children 

 infected ; the species of Anopheline ; where each 

 species is found and where it breeds ; the per- 

 centage of each species carrying sporozoits and 

 zygotes. 



In fact nearly the whole technique of Malaria 

 can be conducted with a microscope, a few. slides 

 and coverglasses, a needle, a stain, some tubes, 

 pins, and cardboard. {Vide Appendix). 



While our original intention was to write a 

 practical guide to Malarial Study solely, yet the 

 opportunities for research on other blood parasites 

 are so numerous in the tropics, that we have 

 thought it to be of practical value to add short 

 supplementary chapters on other Haematozoa and 

 on the Trypanosomidae, etc. 



November, 1903 



