D 



159 



^t Q-. 



Figiores 158 and 159, o', dorsal and ventral views 

 Figures 160 and l6l, 5, dorsal and ventral views 



A to F, 5 genital area outline and profile. A to C, partly- 

 engorged. D, fully engorped. E and F, unengorged. 

 HYALCM-IA DETRITUM 

 Sudan Specimens 



PIATE XLVII 



- 403 - 



