BY W. MACLEAY, JUN., ESQ. 59 



12. — Cakbnum l^vipenne. (n. sp.) 



Nigrum uitidum, thorace semicirculari angulis anticis pro- 

 ductis postice subemarginato dorso canaliculato, elytris 

 glaberrimis margliiibus violaceis angulisque liumeralibus 

 subacuminatis . 



Long. 9| lin., lat. 8| lin. 



Hab. King George's Sound. 

 The head in this species has, like all others of the genus, a 

 deep longitudinal impression on each side, which, as it approaches 

 the labrum, tm^ns almost at right angles towards the anterior 

 angles of the head. The thorax is wider than the head, sm.ooth, 

 shining, jet black, and of a semicircular form ; the anterior 

 angles project forward, the base is slightly emarginate and 

 reflexed in the middle, and the dorsal medial line, which is dis- 

 tinct, is not continuous to the apex and base. The elytra are 

 very smooth and shining, entirely black, excepting the margin, 

 which is of a violet hue ; the base is truncate, the humeral angles 

 are rather pointed upwards ; the general form is oval, consider- 

 ably narrowed towards the apex. The under surface is black 

 and shining, but not so brilliant as the upper. The legs are in 

 every respect, apparently, like those of the other species of the 

 group. 



13.— Carenum quadripunctatum. (n. sp.) 



Nigro-cyaneum nitidum thorace subquadrato postice rotundato 

 dorso canaliculato, elytris convexis lateribus subparallellis 

 thorace paullo angustioribus marginibus basique punctatis 

 punctis duobus discalibus uno versus humerum altero versus 

 apicem impressis. 



Long. 9| lin., lat. 2| lin. 



Hab. Port Denison. 



The longitudinal impressions on each side of the head take 

 their rise in this species almost behind the eyes, near the poste- 

 rior angles of the head ; they foi'm two very deep semicircular 

 canals round those portions of the head where the eyes are 

 situated. The thorax is truncate at the apex, rather broader than 

 long ; the sides parallel, the posterior angles rounded, and the 

 base prominently margined and rather reflexed ; the dorsal line 



