1 10 DESCRIPTION OF NEW COLEOPTEEA, 



distinctly marked. The elytra ai'e covered with minute punctures 

 and longitudinally grooved, the grooves bearing setigerous 

 punctiu'es. The general appearance of this insect is that of a 

 Helluo, to which genus it is no doubt nearly allied, notwithstand- 

 ing the wide differences which the parts of the mouth show. 



Nov. Gen. Trigonothops. 



Antenn(B filiformes, articulo primo longiore, secundo minore, 



reliquis lequalibus. 

 LabnnU' longius quam latins, apice subrotundatum vix emar- 



ginatum. 

 Mandihidce lata? breves subarcuatte acutse. 

 Maxillce subtenues apice acutce. 

 Palpi Maxillares subacuto articulo penultimo breviore, ultimo 



obtuso. 

 Palin Lahiales subsecuriformes. 

 Lahium subquadratum angulis rotundatis. 

 Mentimi dente medio raagno obtuso, lobis lateralibus obtusis. 

 Caput thorace angustius, postice attenuatum. 

 Thorax subquadratus, latior quam longior, angulis posticis rectis. 

 Gorpus subdej)ressum. 

 Tarsi plerumque articulo penultimo bifido. 



The GaUeida pacifica of Erichson belongs to this genus, and 

 may be taken as the type of it. 



7. — Trigonothops pallidicollis. 



Testacea, thoracis lateribus setigeris, elytris punctato-striatis 



nigris plaga subhumerali margine apiceque testaceis. 

 Long. o\ lin., lat. 1^ liu. 



The head and thorax are testaceous, and roughly punctured, 

 having the margins armed with a few long spiny liairs. The 

 elytra are striated, with a line of punctures in each stria, and 

 with the intervals broad and smooth ; they are also mostly black, 

 but a large yellow patch extends from the humeral angles into 

 the middle of each elytron, where it occupies a considerable part 



