BY EUSTACK AY. FERGUSON. 531 



8 (3). Prothorax more sparingly set with larger granules, elytral 



sculpture rougher and more coarsely granulate. 



P, verrucosa Macl, 



9 (2). Elytral interstices costiform. 



10(11), Second interstice only present in apical half, fourth and sixth 



interstices wanting. P, cancellafa, n.sp. 



11(10). Second, third, fifth, and seventh interstices fully costate, fourth 



and sixth granulate. P. costipenvis, n.sp. 



12 (1). ^ without gular horn. 

 13(26). (^ with external angles of mandibles each produced into a 



stout horn. 

 14(25). Interstices costate. 



1.5(18). Abdominal fascicles of ^ very close together. 

 16(17). Anal forceps large, the inner faces looking forwards as well as 



inwards. P. miracula Macl. 



17(1*)). Anal forceps smaller, the inner surfaces directly facing. 



P. approximata, n.sp. 

 iS(15). Abdominal fascicles separated from one another. 

 19(20;. Pronotum not abraded, granules distinct, fascicles .small. 



P. mira Boh. 

 20(19). Pronotum abraded, sublsevigate. 



21(24). Elytra widely dilated, fully costate, regularly and deeply 



foveate, colour shining. 



22(23). Fascicles large, widely separated. P. Carteri, n.sp. 



23(22). Fascicles small, much closer together, P. aniplipennls, n.sp, 



24(21), Elytra more shallowly foveate, opaque. P. suhfcHvigata, n sp, 



25(14), Interstices granulate, prothorax dilated, finely granulate. 



P. mhcostata Mticl. 

 26(13). Mandibles unarmed in ^ . 



27(30), Each elytron with four interstices on disc (including sutural), 



interstices costiform. 

 28(29). Size large, anal forceps meeting at apex. P. amplicollis, n.sp. 

 29(28). Size small, anal forceps not so meeting. P. sulclpeunis, n.sp. 

 30(27). Each elytron with seven interstices on disc, interstices for the 



most part granulate. 

 31(78). Anal forceps of varying length, but not hidden, and meeting at 



apex. 

 32(05). (^ with inner laminae of forceps not touching nor overlapping. 

 33(64). Prothorax more or less produced in a median apical lobe. 

 34(41). Metasternum with a desp median emargination when viewed 



from in front, a protuberance on each side of emargination 



behind middle ccxie. '. ■ ' 



35(3G). Blades of anal forceps long, stout, tapering from base to apex. 



P. elonoafa Macl. 



