30 Mr. W. L. Distant on Ilonioptcra. 



tegmina with tlie transverse veins at tlie bases of the apical 

 areas, and small spots at apices of longitudinal veins to apical 

 areas, obsoletely infuscate ; front of head narrow, prominent, 

 and conical, space between eyes a little narrower than ante- 

 rior margin of jironotum ; rostrum passing the posterior coxae ; 

 o])ercula short, transverse, their posterior margins moderately 

 convex, their inner angles well separated. 



Long., excl. tegm., c? 15 mm. ; exp. tegm. 48 mm. 



JIab. West Australia: Champion Bay (Brit. Mus.). 



Allied to B. Gilmorei, Dist., but with the front of head 

 more prominent, rostrum a little longer, and much paler iu 

 hue and markings. 



Genus Tkismarciia. 

 Trisiiiarcha, Karscli, Ent. Nachr, xvii. pp. 348, 349 (1891). 

 Type, T. umbrosa, Kartell. 



Trismarcha atrata, sp. n. 



Pronotum castaneous; head, a central longitudinal fascia 

 (much widened posteriorly) to pronotum, mesonotura, and 

 abdomen above, jjiceous ; a marginal spot at anterior angles 

 of vertex of head, posterior margin of pronotum, spots to 

 cruciform elevation, and lateral areas of metanotum, ochra- 

 ceous ; body beneath brownish ochraceous ; face, area between 

 face and eyes, apex of rostrum, tarsi, lateral margins and a 

 central longitudinal fascia to abdomen beneath, piceous or 

 black ; tegmina and wings subhyaline, talc-like, venation 

 fuscous; costal membrane to tegmina and basal anal area to 

 wings luscous brown. 



Long., excl. tegm., ^ 23 mm. ; exji. tegm. 65 mm. 



llab. Congo (Coll. Dist. and Paris Mus.). 



Allied to T. umbrosa, Karsch, but smaller; opercula iu 

 male shorter and narrower, abdomen much more slender, 

 transverse vein at base of second apical area to tegmina more 

 vertical, and at tourth area much shorter. 



Trinmarcha angolensis, sp. n. 



(J . Body and legs pale castaneous brown, ochraceously 

 pilose ; mesonotum with two obscure ochraceously margined 

 anterior obconical spots ; abdomen beneath with the disk 

 piceous ; tegmina and wings smoky hyaline, the venation 

 fuscous brown ; tegmina with the costal membrane pale 

 castaneous brown; head (including eyes) a little wider than 

 aiiterior margin of pronotum and about as wide as base of 



