12 



height, constricted at the base, but swelling out on the sides in rounded 

 masses, on the sides overlapping each other as additions have been made 

 to the main portion, while the summit is broad and rounded, giving them 

 a somewhat irregular mushroom shape, which are figured by Saville Kent 

 in " The Naturalist in Australia." 



I have no record of the absence or ollierwisc of termites on the large 

 tract of treeless country stretching round to North-west Cape, but the 



Nest of the Pale Colourel Eiitermes (Eutermes fumipennis) built on 



the top of a sandstone rock at Manly, N.S.W. The dark lines 



are covered galleries leading down to the ground. 



smaller termites probuI)ly will be found in ground among the grass roots. 

 The coastal districts of West Australia have not been examined for 

 these insects, but, as before noted by my father's investigations about 

 Kalgoorlie, and Spencer in the more central districts, we have a very good 

 idea of the termites found in the interior. 



Structure of Nests or Termitaria. 



The nests of white ants may be divided up into a number of difierent 

 groups, though the members of the different genera seem to form a more 

 or less uniform plan of structure. Many species form no regular nest, 



