several Species of Bolhoceras. 8 1 



tata. Corpus subtus rubro-piceum, pubescens ; femoribus 

 pallidioribus. 



Received from Captain Roe, from the Swan River. 



Castaneous brown. Head elongate, quadrate, with two lunu- 

 lated horns, and a lunate impression behind. Thorax very broad, 

 punctate in the middle, with an elevated carina having an angular 

 notch in the centre, and a very large and deep fovea near each 

 anterior angle, very glossy at the base. Elytra punctate-striate, 

 shoulders prominent. Body beneath dark castaneous, beset with 

 tawny hairs. Anterior tibiae with five teeth. 



The female of this species is very like the male, but is smaller, 

 and the thorax more truncate anteriorly, which is generally the 

 case with the females of this genus. The fovea at the anterior 

 angles of the thorax, so remarkable in the male, are much less 

 distinct in this sex. 



Sp. 4. B. hastifer, Bainbridge. 



Piceus, thorace retuso cornuto, elytris nigricantibus ; corpora 



subtus flavo et tomentoso. 

 Long. lin. 8, lat. lin. 4|. 



Clypeus antice emarginatus, capite in medio cornu suberecto ; 

 binis dentibus utrinque armatus, postice lasvis. Thorax 

 antice retnsus, postice carinatus, cornu erecto e medio disci 

 thoracis surgente, apice incrassato. Elytra striato-punctata, 

 nigricantia. Corpus infra flavum, tomentosum ; oculis atris 

 nitidis ; tibiis anticis sex-dentatis, serraturis nigris. 

 This insect was sent to England by Captain Roe, from the Swan 

 River in New Holland. 



Head and thorax castaneous brown. Clypeus broad emarginate. 

 Head smooth behind, punctate in front, with a short horn at the 

 apex, and two elevated tubercles on each side near the eyes. 

 Thorax broad, sparingly punctate, with an upright horn in 

 the centre with the apex dilated, and surrounded by a nearly 

 semicircular carina, behind the horn is a deep fovea ; the scutellum 

 is punctate, the disc smooth. Elytra dark brown, deeply punc- 

 tate-striate; body beneath and legs pale castaneous, clothed with 

 coarse hairs. Anterior tibiae with six teeth. 



Sp. 5. B. 7-tuberculatus, Bainbridge. 



Totum corpus supra castaneum, infra testaceum et tonientosiim, 



capite tuberculato. 

 Long. lin. 8, lat. lin. 4|. 



