Explanation of Plates. 569 



The remaining figures represent a group containing a 

 Locusticl and an Hemipteron mimetic of ants. 

 Fig. 53. Gamponotus sp. ? f? x U, Feb. 17, 1901. 



54. „ serifCKs, 9 x 1^, Feb. 17, 1901. 



55. ,, cosmicus, § min. x lA, Feb. 17, 1901. 



56. „ „ 9 mnj. „ „ „ 



57. MerjapetHS atratu.% x U, Feb. 17, 1901. 



""• ,, ,1 ,, )> )? 



59. IlyrmccophnnalfaUax, x Ih, Feb. 17, 1901. 



Explanation of Plate XX. 



Group of black, dark-winged Mashonaland Aculeates and 

 THEIR Mimics. 



FiiiST Part of Geoup. 



The Aculeates witb one exception all Fossores. 

 All the figures are about i of the natural size. 

 All the specimens were captured by Guy A. K. Marshall, at 

 Salisbury, Mashonaland, 5000 feet. 



