200 I February, 



TEOPICAL AFRICAN COLEOPTERA; CHIEFLY FROM THE 

 ZANZIBAR MAINLAND. 



BY H. W. BATES, F.R.S., &c. 



{Continued from Vol. xxiii, p. 57). 



Dkimostoma explanatttm. — D. Westermanni (Chaud.) proxime affine sed 

 differt thoracis lateribus Icevihus, etc. Sat late ohlongum sub-coyivexum, 

 jpiceo-nigrum politum, partihus oris antennis pedibusque ficeo-fulvis ; palpis 

 apice recte truncatis ; capite brevi, sulcis frontalibus profundis usque post 

 ociilos extensis, sutur a frontali profunda ibique epistomatis margine plicato ; 

 angulis lateralibus {supra antennis) dilatatis reflexis : thorace lato, toto 

 impunctato, laterihits sat regulariter arcuatis, late et regulariter a basi vsque 

 ad apicem explanato-reflexis, lineis transversis nullis, sulculo dorsali acuto 

 integro, sulcis basalibus linearibus profundissimis, angulis basaUbus dentiferis : 

 elytris basi dilatatis, humeris rotundatis nee dentatis, acute et profunde 

 striatis striis fundo punctulatis vix crenatis, interstitiis latis fere pilanis ; 

 corpore subtus Icevi. Long., 9^ mm. 



Cameroons ; one example. Belongs to the small group of tLe 

 genus in whicli the antennsa are slender, not moniliform, and the 

 elytra broadly oblong-ovate. 



Deimostoma ettgltptum. — D. punctifronti (Chaud.) aj^ne ; gracilius 

 ovatum elytris convexioribus ; piceo-nigrum 2^('litum, partibus oris a7itennis 

 pedibusque riifis : fronte utrinque grosse confiuenter punctata, sulcis obtectis : 

 thorace parvo sub-rottmdato, angulis posticis obtusis denticulo parvo, supra 

 Icevissimo, margine subtili, sulcis basalibus late excavatis : elytris crenato- 

 sulcatis interstitiis convexis ; meso et metastermis ventreque utri7ique punctutis. 

 Antennce moniliformes. Long., 5 mm. 



Old Calabar. 



Galeeita eubens. — Magna, elytris elongafo-ovatis versus basin per- 

 parum angustatis, costis parum elevatis interstitiisque alutaceis subtiliter 

 sparsim setifero-punctulatis ; capite thorace antennis pedibus et pectore rufis 

 subnitidis, elytris nigris, abdomine fusco basi rufo: capite sat gracile post 

 oculos semi-ovato ; thorace medio rotundato-dilatato, antice gradatim longe 

 rotundato,postice valdesinuatim, angustato, angulis posticis paullo exstantibus, 



capite et thorace sat crebre hie illic rugulose punctulatis, nitidis. 



Long., 26 mm. 

 Old Calabar. 



Differs from all other African species by its broad elongate-ovate 



elytra, the costse of which are narrow and much less elevated than in 



G.femoralis, and the shoulders a little less marked. 



Anthia PEiEsiGNis. — A. Petersii (Klug) affinis, thorace pone dilatationem 

 ab}-upte sinuato-angustato elytrisque valde elongatis parallelis. Nigra, sub- 

 nitida, supra breviter nigro-setosa ; thorace vitta laterali [basin haud attin- 



