new Species of Histerida 1 , 57 



This species is rather smaller than cycuv'pnnh, Fahr., and 

 differs by the thorax being wholly punctate, by the sutural 

 stria almost touching the base, the mesosternum is more 

 sharply acuminate and marginate, and the prosternal strise are 

 wider apart especially near and at the base. I have not seen 

 P. congonis, Sch., but it is elongate and has a distinct trans- 

 verse frontal stria. 



Hab. Fernand-Vaz, French Congo (L. Fea, 1902). In 

 the Genoa Museum and my own collection. 



Chlamydopsis (Byzenia) formicicola, King, 1869. 

 The name of this species appears as a synonym of G. stria- 

 tella, Westw., in my catalogue of 1905, but I have recently 

 received an example of King's species from Mr. A. M. Lea 

 and I find that it is distinctly different. It differs by being 

 daiker in colour, less quadrate in form (the elytra being 

 relatively longer), by the thorax being acutely angulate at the 

 anterior angles and the surface is less opaque and less dis- 

 tinctly granulate, by the elytra having the two elevations 

 behind the scutellum much less oblique and somewhat acutely 

 pointed at their ends. The elevations in striatella are some- 

 what short, distinctly divided in the middle, oblique, and end 

 on each side obtusely. C. inquilina, Lew., differs from both 

 species by being nitid and the thorax is much less transverse 

 and is parallel laterally, the edges in front and at the sides 

 being uniformly and more strongly elevated ; the elytra also 

 have the elevations behind the scutellum perfectly transverse, 

 not oblique, and they are longer and acute at their ends and 

 there is scarcely any discernible median partition. The legs 

 of inquilina are more robust, a character especially obvious at 

 the bases of the tibiae, and the median angles of the tibia? are 

 all less acute. My specimens of inquilina and striatella are 

 from Liverpool, N. S. Wales. 



The species of this genus are probably numerous, and I 

 think that the elevations on the elytra behind the scutellum 

 are likely to afford good specific characters. Mr. Lea has 

 sent me a sketch in outline of a most remarkable new species, 

 lately found in Australia, which will require the founding 

 of a new genus for its reception. The head is entirely con- 

 cealed by its protruding thorax, a structure otherwise only 

 known in the Histeridse in the genus Xiphonotus. 



Saprinus osrarius, n. n. 

 Saprinus airatus, Lew. Ann. & Mag. Nat. Hist. ser. 8, vol. iv. 

 p. 301 (1909), requires a new name, as Erichson employed 

 azratus in 1834. 



