and the Gonapophyses in the Dermaptera. 267 



represent the gonapophyses of the ninth, and AA those 

 of the eighth, segments. The thread-like appendages are 



Fig. 19. — Kalocrania, sp. ? . Apex of venter showing gonapophyses. 



often to be seen protruding between the branches of the 

 forceps ; they are also thread-like in Analaelia, and in the 

 Diplatyinae. 



In the Echinosomatine the first pair is long and slender, 

 though scarcely thread-like, while the second pair are 



Fig. 20. — Echinosoma afrum, Beauv., gonapophyses. 



developed into large, dilated, flat, pubescent lobes; the 

 shape of these lobes may offer useful characters, and enable 



