﻿150 



The Philippine Journal of Science 



1914 



the scene of much clearing during the past year as an anti- 

 mosquito measure. 



Talahib grass covers the greater part of this plain, growing 

 to a height of 4.5 meters in some places. Naturally, it furnishes 

 excellent shelter for mosquitoes, especially in the rainy season, 



Fig. 2. The townsite of San Joee Estate, Mindoro. 



when the streams overflow their banks and inundate the entire 

 tract. Talahib grass, however, is something of an index of the 

 suitability of the soil for sugar culture; therefore, it may be 

 expected eventually to disappear entirely before the steam plows 

 of the sugar planter, which have already converted 616 hectares 

 of talahib-covered area into sugar-cane fields. . 



