s 
1919.] The Sixth Indian Science Congress. cciii 
War because we learned the truth of this last statement and 
acted on it. we in India learn the necessity of acting 
malaria. I had then quite recently completed my college 
course but had little practical knowledge of insects. I had 
earned how insects were divided into a number of groups, I 
had learned that they had six legs and that many of them went 
through a complete metamorphosis during their life, but I had 
no idea what a mosquito was like. nor did I know anv- 
thing of its life history. Although I sought for literature 
on the subject, I was nearly two years in India before I dis- 
covered Dr. Christy’s little book on mosquitoes. Subsequently I 
obtained Colonel Giles’ work and entered into correspondence 
with him. From his private means he supplied me with an 
outfit for collecting and preserving mosquitoes; he thus en- 
couraged me to take an interest in the subject so that when I 
able to discover a number of new species of Anophelines. I 
had an opportunity to study the habits and breeding places of 
this malaria-carrying group of mosquitoes and in due course 
submitted a report, through the usual official channels, recom- 
mending measures for the destruction of fever-carrying mos- 
quitoes by training the river which passed through the Canton- 
