80 Mr. W. Bainbridge on 



centre is a deep, broad, coarsely punctate channel, with a smooth 

 shining space on each side, the hinder part smooth and shining, 

 with a line of punctures along the posterior margin. Elytra 

 convex, glabrous, punctato-striate, shoulders elevated. Body 

 beneath paler than above, and beset with tawny hairs. 



The female of this species is shorter and more convex than the 

 male, in other points they are very much alike. 



Sp. 2. 6. latus, Bainbridge. 



Castaneus, thorace punctatissimo, antice retuso, capita externe 



denticulato. 

 Long. lin. 9, lat. lin. 5|. 



Corpus rotundatum, totum supra castaneum, subtus pubescens. 

 Clypeus irregulariter truncatus, medio incisus. Caput late- 

 ribus utrinque denticulatis. Thorax sparsim punctulatus, 

 antice linea transversa elevata irregulari notata, marginibus 

 serratis. Elytra striato-punctata. Corpus subtus pubescens, 

 rufo-testaceum, capitulo antennarum flavo. 

 This species was received from Captain Roe, of the New Set- 

 tlement of Swan River in Australia. 



Entirely of a castaneous brown colour. Clypeus and head 

 closely punctured, the latter with an undulated carina, with the 

 ends produced into short horns ; a luniform impression behind. 

 Thorax broad, retuse, and very much punctate in the front ; with 

 an undulated carina and two punctate impressions at the posterior 

 angles : smooth and glossy at the base. Scutellum convex, 

 smooth. Elytra punctato-striate. Legs and body beneath pale 

 castaneous, beset with tawny hairs. 



This species appears to be a female, the male of which is not 

 known. 



Sp. 3. B. serricollis, Bainbridge $ . 



Castaneus, capite antice dentato ; thorace antice retuso, bicornuto, 

 nigro. 



Long. lin. 85, lat. lin. 5. 



Totum corpus supra castaneum, infra piceum. Clypeus lunse- 

 formis, angulis externis antice subcornulis. Thorax antice 

 retusus, in medio prominentia elevata insignis, lateribus 

 externis serratis, sparsim punctulatis. Elytra striato-punc- 



