22 W. A. SANDS 



" mouldered to dust ", so that no type material either of the termite or its nests 

 now exists. 



The commonest truly arboreal species in West Africa has been given various names 

 which appear in the synonymy. It has been collected from a number of places in 

 Sierra Leone, the type locality for N. arborum, and I consider it to be the species 

 most likely to have been described by Smeathman under that name. 



The name " Eutermes arborum (Smeathman) " has been used by several authors, 

 but these references have all been checked back to specimens first identified by 

 Sjostedt (1900) and, following him, Silvestri (1912). These have been examined, 

 and found to belong to N. latifrons (Sjostedt, 1896). It is most undesirable that the 



Figs. 24-57 : Nasutitermes, soldier head capsule, side and plan views, nose tip and post- 

 mentum. 24-33, N. arborum ; 34-38, A 7 , diabolus ; 39-45, N. elegantulus ; 46-50, 

 N . ferranti ; 51-57, N. fulleri. 



