274 GEO. H. HORN. 



beneath piceous. Legs piceous. tibife rufo-piceous. Posterior femora sbining, 

 loiieitudinally strigfose and sparsely punctate, middle and anterior femora usually 

 punctulate and pubescent, except for a short space at apex. Length .07 inch.; 

 2 ram. nearly. 



Prosternuni distinctly carinate, mesosternum with a prominent 

 elevation, almost laniiniform, the free angle prominent and acute. 



Resembles despectus, but larger and less convex. The elytra have 

 no punctures whatever, while in despedus there is punctuation, al- 

 though feebly impressed and indistinct. The comparatively large 

 and ])rominent mesosternal crest will afford the most certain means 

 of separating the species. 



The occurrence of but seven joints to the antennje is one of the 

 most remarkable characters of this species, and it is only after sev- 

 eral examinations with the quarter inch objective of the compound 

 microscope that I have been willing to risk the statement. 



One specimen, Tampa, Florida, kindly given me by Mr. E. A. 

 Schwarz. 



<'. digestns Lee. — Elli]itical, convex, piceous black, shiuinjj, surface usually 

 with slight bronze lustre. Antennse 9-joiuted (PI. iv, fig. 20), testaceous, club 

 piceous. Head moderately, closely and evenly punctate, faintly alutaceous. 

 Thorax more than three times as wide as long, rather closely punctate, distinctly 

 alutaceous, basal mai-ginal line faintly evident near the angles. Elytra a little 

 more coarsely and closely punctate at base than the thorax, more coarsely, 

 sparsely and very distinctly substriately near the apex. Body beneath opaque, 

 black. Femora piceous, tibise and tarsi somewhat paler. Posterior femora very 

 finely longitudinally strigose and sparsely punctate, middle and front femora 

 opaque, punctulate and pubescent, excejit at apical third. Lengtii .10 — .14 inch. ; 

 2.5— .3.5 mm. 



Prosternuni simple, mesosternum with a very small protuberance 

 varying to a small tubercle. Maxillary })alpi stout, the pseudo-basal 

 joint thickened as in dis.'timUis. 



This species presents no striking peculiarities. In series it is rather 

 larger than the other species, and with rather coarser punctuation. 

 To it rufiventris is closely related, and future collections may pi-ove 

 them identical. 



Occurs from the mountainous regions of New Hampshire westward 

 through Canada, and southward to New Mexico. 



C rufivfiitris Horn. — Elliptical, convex, piceous black, shining, surface 

 with slight feneous lustre. Autennse 9-joh] ted, basal joints testaceous, club pi- 

 ceous. Head moderately, closely punctate. Thorax modeiately punctate, the 

 punctures finer and sparser at middle, denser and coarser at the sides, no basal 

 marginal line. Elytra more coarsely punctate than the thorax, more sparsely 

 and coarsely near the apex, where the i)unctures tend to become subseriate: at 



