HORISTONOTUS. 273 



Two spécimens , San Diego , California. As in the other species 

 of ihis division of tlie genus (I) , the poslerior angles of ihe thorax 

 are longer than in the species ahove describeci (2) , and project 

 direclly backwards : ihe basai striée are (olerably long, but faint : 

 Ihedisc of the thorax is obsoleieiy channelled posteriorly : the ely- 

 tra are more rounded at ihe humérus than in the other species , 

 ?nd are noi wider than the thorax. 



Cardiophorus sufflatus. Lec. Rev. Etat. Un. St. in .4m. Phil. Soc. Trans.,\ 

 new Ser. p. 499 , 1"2. 



7. H. iNANUs. Piceus , subtililer griseo-pubescens ; thorace lati- 

 tudine sublongiore , antice posticeqtie angnstato , lateribus rotun- 

 datis , valde convexo , subahitaceo , parce punctulato , elytris 

 slriù parcins punclatis , inter.ttitiis planis , vix pimctiilatis , basi 

 ri(fis.aulennis piceis, pedibusflavis. — Long, l 1/2 '". 



Two spécimens , San Diego. Independently of size , distinguis- 

 hed by the piceous antennœ from the preceding , which it very 

 much ressembles in forme : the striae of the elytra are less impres- 

 sed ihan in C. svfflahis : ihe thorax is rufo-piceous in one spé- 

 cimen. 



Cardiophorus inanus. Lec. loc. cit. p. 499 , 13. 



8. H. TRANSFUGis. Niger , siibtiliter cinereo-pubescens , thorace 

 latitudine .•sublongiore , antice angnstato , postice subangustato , 

 lateribus rotundatis , valde convexo , subalittaceo , parce punctu- 

 lato , basi biimpresw , elytris striis subprofundis subtilius punc- 

 tatis , interstitii^ subcouvexis , piceis, humeris late testaceis, 

 pedibns aulennisque /lavis, lus extrorsum fuscescentibus. — 

 Long. 1 i/s "'. 



One spécimen, San José, California. The species is allied to the 

 next [curiatiis), but the thorax is much more rounded on the sides : 

 ihe basai strise are reduced to extremely short fissures , and the 

 spacearound them is broadly an tolerably deeply foveale : the hu- 



(1) M. Le Conte range celte espèce et les deux qui suivent dans la seconde 

 Section du genre CaT(Zio/j//orî/s, tel que l'entend Erichson. 



(2) Les vrais Cardiophorus , de la première section. 



55 



