BY THOMAS G. SLOANE. 50? 



P. opaciceps, Blkb. — In colour and general appearance this 

 species almost exactly resembles the species tabulated above as P. 

 imtnacidatiis, Chaud., but it differs by having the prothorax less 

 deeply emarginate at apex and with the middle of the base 

 lightly and widely arcuate — not strongly lobed. The ^ has two 

 basal joints of the intermediate tarsi squamulose beneath; I have 

 drawn Mr. Blackburn's attention to the fact that a male specimen 

 of P. opaciceps which he sent me has two basal joints of the 

 intermediate tarsi squamulose, and he has written in reply that 

 such is the case, but that " in the type the squamte seem to be 

 wanting .... and so I passed them over unnoticed." 

 Further, he adds that the comparison he has made in his 

 description of P. opaciceps between that species and P. immacu- 

 iatus, Chaud., was not with the species I consider to be P. 

 immaciilatus, Chaud., (and which Mr. Blackburn now concurs 

 with me in regarding as P. iimtiaculatus, Chaud.), but with 

 an undescribed species found in South Australia which has the 

 prothorax less emarginate at apex than P. opacicep?, not more so, 

 as is the case with P. immaculatus. 



P. immaculatus, Chaud. — What I take to be /'. immaculatuy, 

 Chaud., has in my single male specimen only two basal joints of 

 the intermediate tarsi squamulose beneath, not three as said by 

 Chaudoir. I have taken it at Mulwala and near Junee in N.S.W. 



P. obtusus, Chaud., is unknown tome in nature; it is evidently 

 allied to P. angiUatus, but larger and with the posterior angles of 

 the prothorax obtuse. 



P. maculatua, Macl., I ha\'e not seen ; it must resemble P. 

 ohtasus very closely, so closely, apparently, as to suggest to my 

 mind its possible identity with that species. The description is 

 useless, unless specimens from Gayndah were available, when, no 

 doubt, it would be readily recognised. 



P. vittatus, Macl., is probably near P. angulatus, Chaud., but 

 very imperfectly described. 



F. luculentus, Newm. — The Rev. T. Blackburn has sent me (as 

 from the Victorian Mountains at source of Owen's River) under 

 this name, a species (5), which agrees with Chaudoir's description 

 of P. luculentus, but is smaller (length 6*5 mm.). Another 



