404 F. Werner, Orthopteren. 



that they are not quite mature, the differences from typical 

 A. mauritanica (of which I possess several curious varieties) 

 being due to immaturity: the divergences in colour I attribute 

 to the same cause, as also the approximation of the forceps 

 and smoothness of the sides of the abdomen: the firmness 

 of the integument appears certainly surprising, but exami- 

 nation shows that it is really nymphal. 



