Monograph on the Cebrionidce, by Dr. Leach. 39 



Palpi labiates articulo ultimo clavato. 



Thorax transversa, subtrapeziformis, margine postica latiore. Ster- 

 num anticum postice mucronatum ; femora postice appendice 



trochantiformi instructa. 

 Antenna rather thick, filiform, simple, long, the second and 



third joints shortest, the last joint abruptly acuminated.. 

 Maxillary palpi filiform, of the length of the head, the second 



joint longest, the third and fourth joints are equal in length, 



the fourth clubbed. 

 Labial palpi with their last joint clubbed. 

 Thorax transverse, somewhat trapeziform, the hinder margin 



broader; anterior sternum pointed behind; hinder thighs 



furnished with a trochantiform appendage. 



Species I. — Promelus. 

 C— Castaneo-testaceus ; capite, antennis et thorace nigris, pectore 

 epigastrio tibiis tarsisque fuscescentibus, coxis femoribus 

 ventreque testaceo-croceis. 



Cebrio gigas. Fabr. Syst. Eleuth. 



Cebrio promelus. Latreille, MSS. 



Long. corp. 2 centim : 3 millim : 



Habitat in Gallia Australi, et in Agro Pedemontano ; in campis 

 post tempestates et in Paludibus. Latreille, 

 Descr. — Pleura ferrugineo-testacea ; caput, thorax et elytra 



punctati, testaceo-villosi ; villi breves. Thorax linea longitudi- 



uali elevata, nitida, glabra ; elytra elevato-lineata ; striis medio- 



cribus. 



C.— Chestnut-clay-coloured ; antennae and thorax black, the 

 breast, epigastrium, tibiae, and tarsi fuscous brownish, the 

 coxa?, thighs, and abdomen beneath of a clay-crocus colour. 



Length 1 inch, 1 \ line. 



Inhabits the South of France, and Piedmont ; in plains after tem- 

 pests and in marshes. 

 Descr. — Pleura ferugineous clay-coloured; head, thorax, and 



elytra punctured, with clay-coloured down; the down short. 



Thorax with a longitudinal elevated shining line; elytra with 



elevated lines, the stria? moderate in size. 



