BY W. MACLEAY, JUN., ESQ. 71 



•4. — Gnathoxys ciCATRicosus, Reiclie. (Rev. Zool. A. 18-42, p. 121.) 



" Elongatus teneo nitidus, pronoto subovato canaliculato, angu- 

 lis anticis Laud porrectis, elytris profunde late et irregula- 

 riter-impressis, apice rugoso plicatis." — Reiche. 



Long. 6| lin. 



Hab. Swan River. 



Genus Ceratoglossa. (nov. gen.) 



Antennce capite longiores articulo primo crassiori 2'^°- et 3'"* 

 reliquis gi'acilioribus. 



Labrum breve setosuni margiue antico sinuato lateribus sub- 

 rotund atis. 



Mandihulce capite pauUo bi'eviores arcuatfB intiis edentulae apice 

 acut£B. 



MaxUlce apice fortiter arcuatte, acutissimse, intiis setis dentifor- 

 mibus dense armatas. 



Palpi Maxillares articulis secundo et tertio obeonicis, illo 

 longiori crassiori, ultimo subulato quam tertio longiore. 



Falpi Lahiales maxillaribus longitudine sequales articulo ultimo 

 quam peuultimo breviore. 



Labium apice subspatuliforme vix emarginatum paraglossis 



tenuibus, liberis, longis. 

 Mentum dente medio magno obtuso, lobis lateralibusm ajoribus 



subrotundatis. 

 Caput quadratum, tliorace augustius. 

 Thorax quadratus lateraliter marginatus 

 Pedes tibiis anticis extus tridentatis. 



This genus, wbich differs very widely from anything hitherto 

 described as Australian, approaches closely, in general appearance, 

 to two genera from Brazil and India. 



From the first, Oxystomus, the Brazilian genus,* it differs in 

 the medial tooth of the mentum not being so large as the lateral 



* A species has, I believe, lately been found in England, it has been 

 named 0. Anolicanus. 



