BY W. MACLEAY, ESQ., F.L.S. 281 



572. — AcHTHOSus LATicoRNTS, Pasc. Ann. Nat. Hist., 

 1869, page 294. 



573. TOXICUM DISTINCTUM. li. sp. 



Length 5| lines. 



Black, subopaque, finely punctate, except on the elytra. 

 Head with the anterior horns slight, acute, and half a line long, 

 the posterior large, thick, obtuse, clothed with yellow hairs on 

 the apex and anterior edge, and projecting upwards, forwards, 

 and inwards at the apex. Thorax subtransverse, parallel- sided, 

 very slightly lobed in front and behind, and marked near the 

 middle with two small fovete. Elytra a little broader than the 

 thorax, and strongly punctate in regular rows. Tarsi piceous. 

 Club of antenna of three joints. 



574. ToXICUM PARVICORNE. n. sp. 



Length 5 lines. 

 Black, opaque, densely punctate. Head with the anterior 

 horns represented by small acute tubercles, and the posterior 

 rather short, broad and laterally compi^essed at the base, subacute 

 and with a small yellow tuft on the apex, and directed almost 

 straight upwards, and inwards at the apex. Thorax subtrans- 

 verse, parallel-sided, very slightly lobed in front and behind, 

 slightly prominent and rounded at the anterior angles, and acute 

 at the posterior. Elytra a little broader than the thorax, and 

 marked with regular rows of small but deep punctures. Under 

 side of body thinly punctate. Tarsi piceous. Club of antennce 

 of three joints. 



575. — -Pterohel^us asellus, Pasc. Ann. Nat. Hist., 

 February, 1870. 



576. — Pterohel^us Bkemki. n. sp. 



Length 10 lines ; width 6| lines. 

 Broadly ovate, black, subopaque. Head lai'ge, subquadrate, 

 truncate in front, and rounded at the angles, with a broad shallow 

 canaliculation between the eyes. Thorax transverse and 



