undescrihed Ethiopian Cicadidsa. 373 



anterior femora with three ]irominent spines beneath ; 

 opercula short and rounded ; face distinctly transversely 

 striate. 



Long., excl. tegin., ^J , 19 ; exp. tegm. 45 mm. 



Ilah. "OatTiaria." 



Decebalus, gen. nov. 



^. Head short, depressed anteriorly, eyes large and 

 prominent ; pronotiun scarcely longer than total length of 

 liead, the moderately dilated lateral margins not quite reaching 

 apices ; mesonotum about as long as pronotum ; opercula 

 ])roniinent and exposed ; abdomen somewhat short, about as 

 long as head and thorax together ; rostrum about reaching 

 the posterior coxa3 ; face somewhat elongate, centrally longi- 

 tudinally sulcate ; tegmina elongate, more than twice as long 

 as broad, basal cell longer than broad, ulnar areas short and 

 broad, especially the discal ones, apical areas eight, much 

 longer than broad, wings with the apical areas narrow and 

 elongate. 



Allied to Aliamha, Dist., but differing by the shorter and 

 broader discal ulnar areas to the tegmina. 



"&• 



Decehahis iigandanus^ sp. n. 



Body above pale virescent with pale ochraceous suffusions ; 

 head above with prominent dark fuscous spots — two at inner 

 margins of eyes and another at bases of antenna; i)ronolum 

 with the anterior and posterior margins and a central narrow 

 longitudinal fascia' viiescent, each lateral area witii about live 

 prominent but irregular black spots ; mesonotum with two 

 obconical spots on anterior jiiargin, followed by two strongly 

 curved and inegalaily shaped spots and a large submargiiial 

 fascia on each siile, more or less castaneous blown; ab hinicn 

 above with the segmental margin castaneous brown, becoming 

 broader and more confluent on apical half; body beneatli 

 paler than above; anterior femora with three prominent dark 

 spines beneath ; tegmina and wings hyaline, the venation 

 dull virescent, tlie co.stal area to the Hist distinctly paler and 

 ujore virescent. 



Long., excl. tegm., (^, 12 ; exp. tegm. 38 mm, 

 hub. Uganda i'rotect., (Southern Toro, Mbararu [S. A. 

 JS^ea ve) . 



Zoiign f estiva^ sp. n. 



Body above black, more or lees longly pilose ; eyes, ocelli, 

 basal margin of pronotuu), tympanal coverings, lateral 



