The Oilntiftta or Dm yon flip.* ,,/ 8nufJi Africa. 



34ft 



Segments 1-7 dull olivaceous, obsouro markings small and rather 

 diffuse: basal half of segment 1 ; lateral and dorsolateral bands on 

 2 : narrow ring at anterior transverse earina, broader terminal ring 

 and indistinct lateral and posterior spots on 3-6 ; 7 greenish on 

 anterior, dull ferruginous on posterior half ; 8-10 ferruginous, dila- 

 tations of 8-9 darker to almost black. 



FIG. 47. Afesogomphus Hageni, $. Eritra. Genitals, second segment, 



left side view. 



Genital organs 



of second 



Appendages ochreous, Text-fig. 46. 

 segment, Text-fig. 47. 



Wings hyaline, lightly tinged with greenish yellow in very adult 

 specimens ; costa yellow to base of pterostigma ; pterostigma, see p. 343. 



9 . Very similar to male. No structural differences in vertex and 

 occipital plate. Abdomen considerably more robust ; terminal abdo- 

 minal segments comparatively less dilated. Appendages longer than 

 tenth segment, very fine and pointed, light yellowish, tips black 



FIG. 48. Mesogomphus Hageni, ? . Waterval. 



ventral view. 



Terminal segments, 



Ventral plate of ninth segment concave, the cavity bordered near the 

 segment's end by a sharp, almost semicircular ridge. Vulvar scale 

 slightly less than one-half the length of segment 0, roughly triangular 

 in outline, excised (Text-fig. 48). 



J,Abd. 31 + 3, hdu: 23, pt. 3 mm. 9 , 32, 26, 3 (Waterval). 



(J , Abel. 28 + 3, hdw. 22, pt. 2'5 mm. (Eritrea). 9 , 32, 27, 3 (Harrar). 



No appreciable differences in structure or colour exist between 

 South African, Abyssinian and Algerian specimens of this wide- 

 ranging species. 



