LeConte.J 



APPENDIX. 433 



parum pallidiora, striata ; striisante apieem coeuntibus. Scutellum album, 

 at sutura elytrorum oiimiiio concolor. Corpus cinereum pedibus uigris. 



The description is wortliless, as is indicated by tlie expression tliorax 

 Isevis. The specimen upon wliicli it was based, should probably be re- 

 ferred to BMnoncus pericarinus, p. 284. 



18. Baridius californicus Motsch., Bull. Mosc. 1845, ii, 372. 

 Oblongus, subdepressus, niger, punctatus, parce pilosus ; rostro longitu- 



dine thoracis, tenue, subarcuato ; thorace quadrate, antice angustato ; ely- 

 tris postice subatteuuatis, striatis, striis in fuudo punctatis ; interstitiis 

 subtiliter punctato-striatis. Long. 1| lin. ; lat. 1 lin. 



II est plus petit que le B. picinmt, dont il se distingue facilement par les 

 elytres faiblement pubescentes. De Californie. 



19. Baridius californicus Boh., Eugenics Resa. Ins. 137. 



Ovatus, modice convexus, nigro piceus, nitidus glaber ; antennis pedi- 

 busque rufo-ferrugiueis ; rostro ferrugeneo modice arcuato, prothorace vix 

 longiore, hoc brevi, sat crebre punctulato, pone apicera valde rotundato- 

 ampliato ; elytris castaneis, .nediocriter punctato-striatis, punctis striarum 

 minus crebris, interstitiis planis, U^vibus. Long, 1| ; lat. 1|. mill. 



California, San Francisco. The detailed description gives no ftirther char- 

 acters for the recognition of this species. 



20. Centrinus pistor Gyll., Sch., Cure, iii, 170. Ins. Nov. 295, {Bal- 

 aninus). 



Femoribus muticis, niger, griseo-tomentosus, thorace supra scutellum 

 producto, acuto, elytris triangularibus, striatis. Habitat in America sep- 

 tentrionali, (Kentucky). 



B. cerasorum paullo major. Rostrum dimidii corporis longitudine, 

 tenue, incurvum, Iteve, denudatum, atrum, antennae rostri medio inserta", 

 piceo-nigrse, funiculi articulis 1-2 elongatis, reliquis suba?qualibus, cylin- 

 dricis. Thorax latitudine postica parum brevior, lateribus a basi ultra 

 medium sensim, tunc apieem versus subito angustatis, basi subtruncatus, 

 supra scutellum triangulariter productus, acutus, griseo aut fulvo, dense to- 

 raentosus. Scutellum rotundum tomentosum. Coleoptera triangularia, abdo- 

 mine brevioria, striata, fulvo aut griseo-tomentosa. Pectus et abdomen 

 albo-squamosa. Pedes nigri, griscio-tomentosi, femoribus parum clavatis, 

 muticis. 



The reference to Centrinus seems to me doubtful, in view of the exjires- 

 sion Colcopfera abdomine brcviora. I have seen nothing that could be 

 properly referred to this description. 



21. Centrinus ? dilectus Harris, Trans. Hartford Soc. Nat. History 

 80, pi. 1, fig. 4. 



Punctured, and with brassy scales ; scutel whitish, third joint of the an- 

 tennae twice as long as the fourth. Length, exclusive of the rostrum 

 twenty-hundreths of an inch. 



Halsey's collection, No. 165. Body piceous black, densely punctured, 

 and with elongated brassy -j^ellow scales. Head retracted to the eyes with- 

 in the thorax, indented at the base of the rostrum. Rostrum as long as 



PROC. AMER. PHILOS. SOC. XV. 96. 3C 



