149 
15. P. cbeninus pag. 158. 
Mas : tårsis anticis modice dilatatis , segmento 7:o late 
triangulariter exciso. 
Obs. Statura majore, forma exacte P. fumigati, protho- 
race antice et capite lat-i ore , tarsis abdomineque in 
mare structura a sequente certe distinctus. 
16. P. varians pag. 158. 
Mas: tarsis anticis fortiter dilatatis; segmento ventrati 
7:o medio apice acute triangulariter exciso. 
Obs. Capitis forma et prothoracis ad sectionem sequen- 
tum appropinquans, cum P. opaco et agili baud 
confundcndus, nam punctura elytrorum, oculorum 
forma et antennarnm structura longe alia. 
16b. P. debilis: Nitidus, niger, antennis elytrisque fuscis, 
bis crebre subtilius punctatis; pedibus obscure testa- 
ceis; abdomine densius pubescenti; capite ovali-orbi- 
culato. 
Mas: tarsis anticis modice dilatatis; segmento 7:o veu- 
trali apice medio acute triangulariter exciso. 
Er. Gen. et Spec. Stapb. 472. 73. 
P. varianti similis et affinis, sed minor, P. albipede 
baud major, pcdum coloro, antennis articulis 4—6 sensim 
paullo latioribus , cum sequentibus transversis, prothoracis 
punctis subtilioribus , elytris fuscis, baud seneis, crebrius 
punctatis, abdomine densius griseo-pubescenti tarsisque an- 
ticis maris modice dilatatis beno distinctus ; a P. vcntrali 
capite angustiore, prothorace nigro apice angustiore , pun- 
ctis subtilioribus discedens. Caput prothorace paullo angu- 
stius orbiculato-ovatum , nigrum , punctis frontalibus internis 
