ENDEMIC INDEX IN MALARIA 87 



For a full discussion of the problems involved the 

 reader is advised to consult "The Prevention of Malaria," 

 by Sir Ronald Ross, published by John Murray, Albe- 

 marle Street, W v 1911. 



NOTABLE DATES. 



Malaria. Discovery of the parasites, Laveran, Novem- 

 ber 6, 1880. Differentiation of species and asexual life- 

 cycle, Golgi and others, autumn of 1885, and onwards. 

 Conjugation of sexual forms, McAllum, 1897-8. Sexual 

 cycle, Ross, 1897-8. 



