The Odonata or Dragonflles of South Africa. 



351 



interrupted at anterior end of each segment ; 7 with analogous 

 marking, hut no line at anterior and lateral stripe narrower ; 8-10 

 dark on dorsum, with a mid-dorsal light hand, complete, narrow and 

 parallel on 8, contracted to a point anteriorly and dilated posteriorly 



FIG. 54. Crenigomphus hartmanni, <J . M'Fongosi. Terminal segments, 



ventral and left side view. 



on 9 and 10. Foliaceous dilatations of 8-0 light ferruginous, broadly 

 lined with black. Appendages light yellow, only the extreme tip of 

 the superior blackish (Text-fig. 54). Genital organs of second segment, 

 Text-fig. 55. 



AViugs rather deeply tinged with yellow, more in the distal half. 



FIG. 55. Crenigomphus hartmanni, $ . M'Fongosi. 



segment, left side view. 



Genitals, second 



Costa conspicuously yellow to apex, in sharp contrast to the deep 

 black pterostigma ; great part of venation in costal and proximal 

 half of wings ferruginous. 



5 . Free margin of occipital plate with a round median projection 

 and on each side with 5 strong black spines. Dorsal surface of 

 vertex divided longitudinally by a deep groove, which begins over the 



