A PUBLIC DUTY 47 



course, but it is not absolutely essential. In a small 

 community, any responsible person who has the 

 sympathy of his fellow villagers can undertake the 

 measures recommended in this book. 



If, when making the fever census, it is discovered 

 that there is actually malaria in the town, then a 

 spleen census must be taken, and the disease stamped 

 out as promptly as possible ; the methods are fully 

 described in Professor Ross's book, " The Prevention 

 of Malaria." Or if there is yellow fever, Sir Rubert 

 Boyce's " Mosquito or Man " gives all the informa- 

 tion required for fumigation and isolation, and for 

 successfully dealing with the disease. 



