582 REVISION OF THE AMYCTERID.E, 



36(35). Blades of anal forceps short, strongly arcuate, very thick at 



base. 

 37(38). Size moderate, sculpture fine and regular. 



P. ^quamigera Macl, 

 38(37). Size much smaller. 



39(40). Clothing black. P. montana Macl. 



40(39) Clothing maculate, prothorax trivittate. P. suhviftafa Macl. 



41(34). Metasternum without protuberance on each side of middle line 



behind middle coxa?. 

 42(59). (^ with anal forceps long, projecting greatly beyond elytra. 

 V. 43(56). Laminae on forceps small, linear, obscured from in front by a 

 fringe of scales. 

 44(45). Elytral interstices costate, sculpture reticulate. 



P. Mastersi MacL 

 45(44). Elytral interstices finely granulate. 



46(51). Abdominal fascicles situated well within anal excavation. 

 47(50). Forceps widely arcuate. 



48(49). Elytral sculpture tine, size moderate. P. forjiculata Mad. 



49(48). Elytral sculpture rougher, granules large and strong; size 

 larger. P. MitcheUi MacL 



50(47). Forceps stouter, more wedge-shaped. P. cuneicaudata. n.sp. 

 51(46). Abdominal fascicles more or less far apart, situated on edge of 



excavation. 

 52(53). Elytral sculpture regularly reticulate. P. foveata Macl. 



53(52). Elytral sculpture striate, not reticulate. 

 54(55). Form robust, interstices prominent, setae yellow. 



P. jJavosetosa, n.sp. 

 55(54). Form not so robust, more finely granulate, sette dark brown. 



P. Frenchi, n.sp. 

 vi. 56(43). Lamina? small, not linear, situated at extreme base of forceps. 

 57(58). Size moderate, penis pointed. P. caudata Macl. 



58(57). Size for the most part larger, penis obtuse, notched. 



P. grand is, n.sp. 



vii. 59(42). <^ with anal forceps short, not projecting far beyond elytra. 



60(63). Elytral interstices all finely and distinctly granulate. 



61(62). Bristles on posterior border of anal excavation continued across 



middle line; supernumerary tufts yellow. P. Wilcoxi Macl. 



62(61). Bristles not continued across middle, supernumerary tufts black. 



P. variolosa, n.sp. 

 63(fi0). Fourth and sixth interstices alone granulate, the others costate. 



P. breviformis, n.sp. 

 viii. 64(33). Prothorax truncate in middle line at apex, no apical lobe, 



P. metasternalis, n.sp. 



