OF NATIRAL HISTOUY. 047 



liin ; punctures on tlio ]);isal ni;iri.'iii obsdletc ; luncaili ],i.ii.ii» ; 

 tarsi yillitw, britrlilcr Ix'iu'ath. 



Length less than tliree-twentietlis ulan incli. 



'I'liis species was sent to nie by Mr. IJaraltino. It is smaller 

 than the "ibirufiiris F., whicli it roscinbles niueh in the punetur- 

 in^ and iorni ; but tliat species lias the subsutural stria cxtenil- 

 inu; iVoni beti)re the uiicldle to the tip of the elytra. 



[Belongs to Cijilimolnm. — Lkc] 



8. II. FL'scus nob. — Corresponding, almost unvariedly, with 

 specimens found in Pennsylvania. I obtained it in company 

 with lli/ilrocanthus atrqx'nuis nob. 



SPILERIDIUM Fab. 



S. MELLII'E.s. — Black ; beneath honey -yellow. 



Inhabits 3Iexico. 



Body very minutely, and densely punctured, black ; antennii' 

 and jialpi honey-yellow ; thorax M'ith tlu- anterior and lateral 

 margins obsoletely piceous ; an impressed puncture ou the lateral 

 margin before the posterior angle ; elytra with punctured stripe, 

 ami minute, dense i)unctures on the flat interstitial spaces ; im- 

 maculate; beneath honey -yellow. 



Length less than one-fifth of an inch. 



The largest North American species which I have seen ; 

 rather larger than *S^. bi-pustulatnm Fabr., but somewhat less 

 robust. [173] 



ONTIIOrHAGUS Latr. 



1. O. INCENSUS. — Clypeus with two elevated, transverse lines ; 

 thorax with an anterior double prominenee. 



Inhabits Mexico. 



Body black, polished, punctured ; head with two transverse, 

 elevated lines ; posterior line between the eyes, and slightly emar- 

 ginate in its middle; anterior line a little more elevated in the 

 middle, equidistant from thetip of the clypeus and posterior line ; 

 tip slightly contracted ; anteinuc ferruginous ; thorax on the mid- 

 dle of the anterior submargin with a transverse, sub-bilobate, or 

 slightly and widely emarginate elevation ; an in<lented dot each 

 side; elytra with punctured stria); interstitial sjiaces plane, uii- 

 1835.] 



