Tthynchota from Ruwenzori. 411 



in $ a little curved ; second ventral segment distinctly tuber- 

 culous on each lateral area in $ , in $ less prominently so. 



Long., r 7 , 22 nun., $ 21-21 nun. 



Old Camp, 6000-7000 feet, and 6000-13,000 feet. 



Holopterna affinis, sp. n. 



Head, pronotum, and scutellum black; corium piceous ; 

 membrane dark bronzy ; body beneath and legs black; tarsi 

 piceous brown ; antenna? ochraceous, the whole of the first 

 joint (excluding extreme apex), a broad subcentral annula- 

 te -n to second joint, and a similar annulation to third joint, 

 which, however, extends nearer apex, black, first joint a 

 little longer than pronotum and only slightly longer than 

 second joint, third shortest, fourth about subequal to first; 

 rostrum about reaching the intermediate coxa?, first joint 

 almost reaching base of head, second reaching anterior coxa?, 

 third shortest and just passing anterior coxa?, fourth almost 

 reaching the intermediate coxa? ; pronotum rugulose, the 

 lateral angles produced upwardly and forwardly, strongly 

 dentate on each edge, their apices acute ; second and third 

 ventral segments in $ longly tuberculate on each lateral 

 area ; posterior tibia? in J flattened and dilated and spined 

 beneath near apex, posterior femora incrassate, moderately 

 curved, finely crenulate beneath. 



Long., $ 22 mm. ; exp. pronot. angl. 10 mm. 



Mububi River, S.E. Ruwenzori. 



Allied to H. valga, Linn., and II. alata, Westw., but 

 separated from both by the longly, acutely, and anteriorly 

 produced pronotal angles. 



Genus Mygdonia. 



Mygdonia, Still, Hern. Afr. ii. pp. - & 16 ( 1 365). 



Mygdonia montana, sp. n. 



J ? . Piceous brown ; corium shortly, palely, sparingly 

 ; i xtreme apex of scutellum ochraceous ; membrane 

 dark bronzy; antenna? pale castaneous, first and fourth joints 

 subequal in length, second slightly shorter than first, Ion 

 than third; rostrum reaching the intermediate coxa?, first 

 joint extending to base of head, second a little longer than 

 .third, which just passes the anterior coxa? ; pronotum coarsely 

 granulose, the lateral angles moderately, roundly, a little 

 upwardly produced, their margins coarsely crenulate, anterior 



Ann. cf Mag. N. Hist. Ser. S. Vol. ii. 31 



