LeConte.J APPEJ^DIX. 433 



-parum pallidiora, striata ; striis ante apicem coeuntibus. Scutellum album, 

 at sutura elytrorum omnino coucolor. Corpus cinereum peclibus uigris. 



The description is worthless, as is indicated by the expression thorax 

 laevis. The specimen upon which it was based, should probably be re- 

 ferred to Bhinoncus pericarpius, p. 284. 



18. Baridius califomicus Motsch., Bull. Mq^c. 1845, ii, 372. 

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



dine thoracis, tenue, subarcuato ; thorace quadrato, antice augustato ; elj^- 

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

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



II est plus petit que le B. picinu^i, 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-ferrugineis ; rostro ferrugeneo modice arcuato, prothorace vix 

 longiore, hoc brevi, sat crebre punctulato, pone apicem valdo rolundato- 

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

 minus crebris, interstitiis planis, lasvibus. Long, 1| ; lat. 1|. mill. 



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

 acters for the recognition of this species. 



20. Centrinus pistor Gyll., Sch., Cure, iii, 170. Ins. Nov. 29o, (Bal- 

 aninus). 



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

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

 tentrionali, (Kentucky). 



B. cerasorum paullo major. Rostrum dimidii corporis longitudine, 

 tenue, incurvum, Iseve, denudatum, atrum, antennce rostri medio inserts*, 

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

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

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

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

 mentosus. Scutellum rotuiidum tomentosum. Coleoptera triangularia, abdo- 

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

 albo-squamosa. Pedes nigri, griseo-tomcntosi, femoribus parum clavatis, 

 muticis. 



The reference to Centrinus seems to nie doubtful, in view of the expres- 

 sion Coleoptera abiomine brcviora. I have seen nothing that could be 

 properly referred to this description. 



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

 80, pi. 1, fig. 4. 



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

 tenna; twice as long as the four:h. Length, exclusive of the rostrum 

 twenty-hundreths of an inch. 



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

 and with elongated brassy -yellow scales. Head retracted to the eyes with- 

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



PROC. AJIER. PHILOS. SOC. XV. 96. 3c 



