A Monograph of the Formicidae of South Africa. 159 



entirely hidden by the mesonotum. The latter is similar to that 

 of the 2 , but less flattened and with the parapsidal sutures more 

 distinct. The scutellum is narrower and more convex posteriorly, 

 and raised higher above the level of the epinotum. The latter is 

 very smooth and shining, the dorsum wider than long, and merging 

 gradually into the declivity. Genital armature exserted. Wings 

 as in the ? . 



The above description differs in some respects from that given by 

 Santschi, which was drawn up from a single specimen in a damaged 

 condition. There can be no doubt as to the correct identity 

 of the numerous specimens of $ $ on which the above descrip- 

 tion is based, since they were taken in the same nest with the $ 

 and ? . 



S. Rhodesia ; fairly common. Kalahari. (Schultze.) Durban. 

 (Marley.) 



This is a timid and quick ant, living on trees and nesting under 

 the bark. When disturbed, it emits from the anal glands a white 

 sticky fluid, which hardens on exposure to the air. 



(S.A.M., E.M., G.A. colls.) 



