Capt. P. P. King's South American Coleoptera. 187 



the male, basal joint elongated at the base, the 3 following semiorbicular, 

 very bristly: claws rather short and strong (12, fore leg of male). 

 Ohs. The female is broader than the male, and the lobe of the tibia is longer. 



*7. Odontoscelis Tentyrioides. Curt. 

 Tab. XV. Fig. D. 



Lsevis niger ; thoracis elytrorumque lateribus pilis aliquot longis, his obsoletis- 

 simfe striatis, apicem versus sparsfe punctatis. 



Length 8j to 9^ lines ; breadth 3 to 3f . 



Smooth dullish-black, with long hairs over the eyes and the sides of the tho- 

 rax, which latter is convex, with a narrow margin, the base a little con- 

 cave, a very faint line down the middle terminating in a furcate im- 

 pression behind: elytra with obscure strise, the margin very narrow, 

 with remote punctures producing long hairs, with a close line of punc- 

 tures arising close to the margin at the shoulder but divaricating to the 

 apex, where there are from 3 to 6 strong punctures producing bristles : 

 mouth, tips oi palpi, and underside oi tarsi castaneous. 



, From Valparaiso. This insect has the habit of a Percus, but is distinguished 

 by the simple tooth of the mentum ; and it differs from Broscus in the propor- 

 tions of the thorax and tibiae. It appears to me to be nearly related to the 

 Scuritidw. 



N. G. Cylloscelis. 



Caput latum : oculi parvi. Thorax subquadrato-cordatus. Elytra sublinearia. 

 Tibice anteriores dilatatse, parfim emarginatee, aculeo apicali lato lanceo- 

 lato ; posteriores longiores, graciles, curvatee. Tarsi anteriores, articulis 

 4 basalibus cordatis. Antennce caput baud superantes ; -articulo basali 

 reliquis longiore et crassiore, 3tio pyriformi, 2do 4to et sequentibus sub- 

 obovatis. Palpi maxillares exteriores, articulo 3tio 2diim ferfe sequante, 

 4to elongato, sublineari ; labiates articulo 3tio longo, subfusiformi, trun- 

 cate. Mentum dente medio trigono instructum. 



Labrum slightly transverse, producing long bristles in front, a little emargi- 

 nated. Mandibles strong, broad at the base, curved and acute (I3m). 

 Maxillary palpi, internal composed of 2 long slender joints, the 2nd at- 



