221 



at their widest behind tlie middle ; their sculpture is as 

 follows : — A strong, deeply punctulate sutural stria, then a 

 space sparingly and confusedly covered with large, coarse 

 punctures, then six strongly punctured striae, separated by con- 

 vex interstices, then a space extending to the margin, in which 

 the puncturation is confused and much finer, but which con- 

 tains (near the front) traces of two seriately punctulata 

 striae ; the discal system of punctured striae fails a little 

 before the apex, and is very oblique, so that the inner of its 

 striae is wide apart from the sutural stria at the base, but 

 nearly meets it behind ; the apex is closely, confusedly, and 

 rather coarsely punctured ; the humeral calli are almost smooth. 

 The breast and legs are moderately clothed with longish red 

 or golden hairs. The pygidium bears a puncturation which 

 is rather coarse and close about the base, but becomes gradually 

 fine and very sparing towards the apex. The front tibia are 

 not particularly broad, and in the male are very obtusely tri- 

 dentate (perhaps " strongly trisinuate " would be more correct) 

 externally ; in the female they are distinctly tridentate. 



This appears to be a variable species. I have specimens 

 differing from the types described above, in having the clypeus 

 more distinctly bisinuate in front, the thorax perceptibly 

 (under a strong lens) punctured, the anterior tibia (in both 

 sexes) more sharply dentate externally; the female without 

 any trace of a tubercle on the head, the size considerably 

 larger (up to 11 1.). It is possible that I maybe confusing^ 

 several closely-allied species, but I find the foregoing differ- 

 ences from the type so uncertainly and variably blended in 

 various specimens that I do not feel justified in treating them 

 as distinct. The strong punctulate stride on the disc of the 

 elytra do not seem to vary, and are, I think, a leading character 

 of the species. 



Appears to be widely distributed in S. Australia, occurring 

 at any rate from Port Lincoln to the Adelaide district. 



P. crassus, sp. no v. Late oblongus ; sat nitidus ; rufescens ;. 

 capite rugoso ; clypeo antice baud bisinuato ; prothorace 

 obsolete punctulato ; elytris minus fortiter punctulatis, 

 antice leviter striatis ; tibiis anticis externe fortiter tri- 

 dentatis. Long. 11 1. ; lat. 6^ 1. 

 Mas. Sutura clypei elevata in medio tuberculata. 

 'Fern.. Capite haud tubercuiato. 



In general form and proportions this species resembles 

 P. porcellus in all respects except that it is even wider and more 

 massive looking, with the sides of the prothorax evidently 

 more strongly rounded. It differs as follows : — The clypeus 

 is evenly truncate in front, with its suture distinct, in the male 



