266 MR. G. A. K. MARSHALL ON THE [Mar. 20, 



truncate at apex, sides subparallel fi'om base to about middle, then 

 roundly narrowed to apex ; upper surface convex, set with low 

 rounded or confluent granules which are often more sparse on the 

 disk, with a variable central carina which is sometimes complete 

 and distinct, but usually more oi- less abbreviated or even entirely 

 absent ; colour piceous, the granules bare, the interstices with 

 grey or yellowish scaling which is denser latei'ally . Elytra nai'rowly 

 ovate in the (S , broader in the 5 and moi'e acuminate posteriorly, 

 slightly sinuate at base, sides rounded, broadest before middle ; 

 upper surface convex, with broad strise containing shallow punc- 

 tuation separated by small granules : the interstices convex, of 

 equal width, closely and irregularly set with small low and usually 

 confluent granules, often giving them a transversely rugose appear- 

 ance ; colour piceous or black, with fine grey oi- yellowish scaling, 

 which is very thin on the disk but rather denser along the inflexed 

 margins. Legs luther long and slender, piceous or ferruginous, 

 with very fine pale scaling, the exteiior edge of the anteiior tibiee 

 straight in the 5 ? distinctly curved close to apex only in the cf . 



Types S 2 in the Stockholm Museum. 



Cape OoLONy : Grahamstown [Oxf. Mus.]. Orange River 

 Colony : Bloemfontein (Miss Wilman — Camb. Mus.). 



Although I have no e^ddence as to the insects actually being- 

 taken in copidci, I can have no doubt that poixatus Gyl. is the 

 2 of tottus Sparrm., the characters distinguishing them being 

 evidently sexual. Including the typical specimens from >Stockholm, 

 I have seen six porcafus and four tottus. 



*29. ScioBius muricatus Boh. 



S. mttricatics Boh. op. cit. vii. 1, p. 193 (1843). 



" Almost half as small as Sciohius tottus, more convex ; thorax 

 veiy short ; the intervals of the elytra remotely tubei-culate pos- 

 teriorly : these characters will at once distinguish it from the 

 preceding species \tottus and porcatu^s]. 



" Head short and broad, almost plane above, vertex finely and 

 closely punctured ; forehead rugosely striolate, entirely piceous, 

 and with sparse grey scaling, separated from the rostrum by a 

 deep angulated impression ; eyes sub-rotundate, slightly prominent, 

 brownish black. liostrimi a little nari'owei' and longer than the 

 head, stout, pori'ect, almost plane above, tricarinate, obsoletely 

 punctulate, piceous black, and with denser grey scaling. Antennce 

 inserted towards the apex of rostrum, longer than half the body, 

 slender, piceous and spai-sely pubescent, the club narrow, acumi- 

 nate. Thorax very short, transverse, truncate at base and apex, 

 a little narrower anteriorly, obsoletely constricted close to apex ; 

 sides not ampliated, almost straight ; upper surface slightly 

 convex, obsoletely tuberculate throughout, piceous black, with the 

 anterior margin paler, sparsely covered with grey scaling. Scu- 

 tellum minute, scai'cely visible. Elytra truncate anteriorly, 

 scarcely broadei' than the base of the thorax, but obliquely 

 ampliated a short distance behind the base ; shoulders rounded, 



