npw Species of TlhlerxiUx. lO.T 



Short-oval, black above, dark reddish brown beneatii, legs 

 red; the head rather feebly punctured with points of varying 

 sizes, frontal stria complete, angulate on the anterior ocular edge 

 and then passing obliquely to the front, it is short and straight 

 behind theclypeus, within the anterior part of the stria there 

 is a faint impression seen only in certain lights, the clypeus 

 is transverse and convex on the anterior edge ; the thorax 

 narrowly carinate laterally, carina continued as a stria behind 

 the heatl, surface irregularly punctured, points dispersed and 

 of varying sizes, tlie largest are arranged chiefly along the 

 base ; the elytra — striae, subhumeral external is represented 

 by a well-marked complete marginal carina, internal absent, 

 1—4 and sutural complete and crenulate, fourth and sutural 

 joined at the base, 5 shortened at the base to the width of an 

 interstice ; the propygidium, the punctuation is similar to the 

 head, except that the larger punctures are close and more 

 numerous ; the pygidium, punctuation much less conspicuous ; 

 the prosternum bistriate, strii^ diverging at both ends, more 

 widely at the base, which they touch; the mesosternum 

 acutely pointed, marginal stria strong and complete, witii a 

 second very fine stria between it and the anterior edge, the 

 last scarcely meets in the middle, transverse stria is feebly 

 bent and crenulate ; the metastornum has a cluster of large 

 punctures at either posterior angle, and the first abdominal 

 segment has a row along its anterior edge. 



This species is shorter (more approaching a circular form) 

 than P. men'dianus, Lew., and the fifth dorsal stria is longer 

 and the colour difierent. P. nigrella^ Sch., is also evidently 

 similar, but Schmidt's species has a deep frontal impression. 



Uah. (Salisbury (alt. 5000 feet), Mashonaland. Taken in 

 Fungi by Mr. Marshall. 



Trihallus agrestis, Marseul. 



I have two specimens from Cameroon which I think are of 

 this species, but they are not the species so named by Marseul 

 and taken by Kaftray at Zanzibar, and distributed many 

 years ago by me as T. agrestis. In his description of 

 T. agrestis Marseul says nothing about the mesosternal trans- 

 verse stria. In the Cameroon species tlie mesosternal stria is 

 bent and crenulate and consi.-ts of thirteen or fourteen crenu- 

 lations; the Zanzibar species is similar, but has sixteen or 

 seventeen crenulations. Marseul, in his description, not 

 mentioning this stria, the question of specific identity can 

 only be decided by a comparison with the type, which is in 

 Paris. In 1\ corpulentus^ Lew., the stria is straight, as 



