B 



Fig. 96. Copulatory apparatus of male Dragonflies. A. Aeschna brevistyla Ramb., 

 ventral view, with penis removed. B. Penis of same, ventral view. c. The 

 same, lateral view* D. Synlestes weyersi Selys, ventral view, with the penis 

 displaced to the left. E. Orthetrum villosovittatum Br., ventral view, to shew 

 genital lobes (gl). F. Enlarged view of anterior lamina of same. (A c x 11, 

 D x 12, E x 15, F x 43). al anterior lamina ; cl cleft of same ; fr framework ; 

 gl genital lobe ; A/hamular fold ; hk hook (inner branch) of hamule ; hp hamular 

 process ; Ip, lp a lateral flaps of penis ; mp a middle piece of distal joint of same ; 

 or orifice of same; p penis; Pi-Pa its three joints; ph posterior hamule; 

 ah sheath of penis ; ap spine ; ai^ first, at a third urosternite ; tb tuft of bristles ; 

 t z or tg 2 second urotergite ; vp vesicle of penis. Original, chitin preparations. 



