knowledge of the Family CicadidiB. 669 



Tegmina opaque, fuscous, irrorated with brownish-ocliraceous, 

 and with piceous mottlings, of which the most prominent are two 

 spots in radial area, and two irregularly-sized spots in the two upper 

 ulnar areas ; the most prominent pale markings are in the radial 

 area, in the two upper ulnar areas, a sub-apical spot, a central spot 

 to apical margin and a spot near inner angle ; wings ochraceous, 

 the outer and posterior margins dark castaneous, the veins and 

 abdominal area fuscous. 



Head including eyes slightly narrower than anterior margin of 

 mesonotum ; lateral margins of pronotum ampliated but not angu- 

 lated; rostrum reaching the fourth abdominal segment. 



Long. excl. tegm. 9- 21 millim, Exp. tegm. 65 millim. 



Hah. Congo — no precise locality. 



I have two female specimens, but have not seen the 

 other sex, 



Ugada priBcelkns. (PI. XXIX, fig. 5, a, h.) 



Platypleura prcVccllcns, Stiil, Trans. Ent. Soc. Lond., 

 1863, p. 572. 



$ . Head, pronotum, and mesonotum dark obscure olivaceous ; 

 head with two central and two basal-angular spots to front, and 

 vertex with a transverse broken linear fascia between eyes, and a 

 spot behind each eye, black ; pronotum with two small obconical 

 spots on anterior margin, a spot at centre of anterior margin, two 

 discal spots, the incisures, and the anterior area of lateral margins 

 black ; mesonotum with two anterior oljconical spots on each side 

 of which are two smaller spots, two discal spots, and irregular 

 spots in front of basal cruciform elevation, black ; abdomen dark 

 ochraceous the anterior segmental margins broadly black ; legs 

 ochraceous-brown, abdomen marked much as above. 



Tegmina with about basal half pale green, basal spots, an oblique 

 broad irregular fascia dividing the green area, and almost the whole 

 of the apical half tawny-brown, the last with a few paler spots ; 

 wings dark purplish-brown, with two elongate creamy spots on 

 posterior margin. 



Rostrum mutilated ; lateral margins of the pronotum broadly 

 angularly ampliated ; head including eyes much narrower than 

 base of mesonotum. 



Long. excl. tegm. 9 • 28 millim. Exp. tegm. 87 millim. 



Rah. Sierra Leone. 



An imlocalized female specimen here described and 

 figured was presented to me by Dr. E. A. Heath some few 

 years ago. I have waited since that time for further 



