Explanation of Figures. 



Plate IV. 



Fig. 1. Trir aphis madagascariensis dominant on sandy bank of stream on edge of Sal 

 forest near Kansrau. 

 Photograph taken January 1910. 

 „ 2. Triraphis madagascariensis with Aristida cyanantha in dry gravelly torrent- 

 bed on edge of Sal forest near Kansrau. 

 Photograph taken January 1910. 



On the right in the foreground are seen some bent and broken twigs of 

 Orthanthera viminea. 



