( 257 ) 



margin, almost e(|Uiil in lircndth. Under suvfiice black, witii the middle of tlie pro- 

 and mesosternum, all trochantens and the underside of the fnnr anterior femora more 

 or less buff coloured, with the eoxae pitchy. Fiftii abdominal sesrment with a fine 

 longitudinal groove, and with the apical edge eraarginate. Hind femora reai-hing 

 the apical margin of the second abdominal segment. 

 Hah. Sierra Leone. 



3(i7. Nitocris dux sp. nov. 



J?. ,V. atra. Capite ochraceo, in fronte et prope ocnlonun jiartes superiores 

 fortiter et sat dense pnnctato. Protliorace autice ochraceo, punctis grossis instrueto. 

 Sciitello albescente-sericco. Elytris angnstis, medio valde attentiatis, postice parum 

 dilatatis, apicibus rotundatis, hand emarginatis, fortiter dense puuctatis, leviter 

 nnicarinatis. Abdomine segmentis primo toto, secuudo medio argenteo-albo-sericeis, 

 (luarto et qninto (et 6 sexto) leviter :ilbo-sericeis. Prosterno, coxis et femoribns 

 qnatuor anticis oehraceis, femoribns posticis medium (S) vel (?) fere apicem 

 fsegmenti secuudi abdomiualis attingentibus. 



S . Segmento quinto abdomiuali elongato, ad apicem impresso, margine apicali 

 medio sat profunde sinuato ; sexti parte dorsali elongata, apice rotnndata, partem 

 ventralem amplectente. 



? . Segmento quinto abdomiuali apice medio in processum setig(>rum ])roductii. 



Long. i!2J (abd. excepto) mm., elytr. 17, lat. 4i. 



Black, shining, with a very slight tint of olive green ou the base of the elytra. 

 Four or seven basal joints of tiie antennae black or nearly black, the remaining 

 joints tawny, tip of the last joint blackish. Anterior part of the pronotiim — about 

 a third the length^its sides for the most jtart, and the whole prosternum, of an 

 ochreous colour. Elytra reaching the base of the fifth abdominal segment, strongly 

 and densely ])unctured, with the punctures finer and sj)arser at the apex ; the 

 discal imjjression deep, but the keel beside it distinct only anteriorly. Femura 

 and coxae of the four anterior legs ochreous, their tibiae brownish black, and their 

 tarsi blackish brown, with the third and fourth joints almost tawny ; hind legs 

 black, the tip of their tarsi somewhat tawny. First segment of the abdomen 

 silky white, second segment with a silky white pubescence in the middle, and with 

 a small tawny s])0t at each side ; third entirely black or slightly sdky white like 

 the remainder. 



S • Fifth abdominal segment elongate, witli a longitudinal iin]jression, which is 

 V)roader near the apex and does not extend to the basal margin ; its apex nai-rowly, 

 but rather deeply, sinuate ; dorsal part of the sixth segment also elongate, excavated 

 underneath and concealing the ventral part. 



?. Fifth segment somewhat conical, produced at the ajiex into a tooth-like 

 ])rocess, bearing many short bristles ; the whole apex usually villose, with long 

 hairs. 



Hdh. Kniln (A. Moccpierys, 1892). 



May be easily recognised by the long abdomen and the rounded apex of the 

 elytra. 



;5<is. Nitocris princeps sj). nov. 

 S ?. A. atra. Caiiitc, pronoto et prosterno autice, autennarum scajio ochraceo- 

 testaceis. Antiiinis versus apicem fulvis, tarsis et, elytrornm apicibus parum 

 fnlvescentibus ; scutello griseo-sericeo : alidomine segmentis i)rimo et secmido 



17 



