184 Mr. G. Lewis on 



subhumeral internal dimidiate, 1-4 complete, 5 apical, not quite 

 reaching the middle, 6 complete and hamate near the scutel- 

 lum ; the propygidium clearly punctured ; the pygidium 

 much more finely punctured ; the prosternum, lateral strife 

 gradually meet and join anteriorly ; the mesosternum, stria 

 complete and sinuous in front ; the anterior tibiae with three 

 equidistant teeth and another smaller at the base. 



In general outline this species is most similar to P.facetus^ 

 Mars. 



Hob. Cameroon. 



Pachycrcerns tenui'striatiis , sp. n. 



Cylindricus, supra feneus ; capite baud excavate, stria fronts inter- 

 rupta, ante oculos utrinque foveolato ; pronoto stria antice inter- 

 rupta, ante scutellum impresso ; elytris, striis 1-3 integris, 4 

 brevi, 5 nulla, suturali ante basin abbreviata. 



L. 2i mill. 



Cylindrical, brassy above, black beneath, shining ; the 

 head not excavated nor impressed, microscopically punctured 

 and strigose, stria angulate at the anterior edge of the eye, 

 turning obliquely past a lobe-like fovea, and ceasing beyond 

 it (t. e. the transverse portion of the stria is obliterated) ; the 

 lateral stria continues round the base of the head in a line 

 with the hinder edge of the eye, the anterior edge of the 

 clypeus is transverse and clothed with brownish hairs (perhaps 

 in one sex only) ; the thorax rather sparsely punctulate, 

 punctures of various sizes, lateral stria ceases behind the eye, 

 in front of the scutellum is an impression more or less semi- 

 circular, and near it a few punctures ; the elytra — striae, sub- 

 humeral external fine and complete, internal dimidiate, 1-3 

 complete (3 in one example only visible at the base), 4 short, 

 basal and slightly oblique, sutural crenulate, straight and 

 shortened before the base, the apices sparsely punctured ; the 

 propygidium clearly and sparsely punctured with a micro- 

 scopic punctuation interspersed ; the pygidium finely and 

 sparsely punctulate ; the prosternum microscopically strigose, 

 with a few fine punctures, bistriate, strige barely reaching the 

 base and diverging from one another at both ends ; the meso- 

 sternum sculptured like the prosternum, anterior edge without 

 a stria, across near the base is a well-defined crenulate arched 

 stria and beyond it the metasternal suture is faintly visible ; 

 the anterior tibire 4- or 5-dentate. 

 Nab. Cameroon. 



