Horn.] O-jO [June 20, 



line of course punctures. Elytra densely aciculately punctured at apical 

 two-thirds, punctures extending to the bases of all the.interstrite except 

 the inner ; external subhumeral close to the marginal, short, humeral 

 slightly oblique, internal subhumeral represented by a fev/ punctures ; 

 first dorsal extending beyond the middle, striae 2-3-4 short, subequal, 

 fourth arching at base joining the sutural, which is entire and continuous 

 with the apical marginal. Propygidium coarsely, but sparsely punctured. 

 Pygidium, convex, sides slightly reflexed, surface coarsely and moderately 

 densely punctured. Anterior tibite finely denticulate, middle and hind 

 tibiaa biseriately spinulose. Prosternal striaj divergent, strongly ascend- 

 ing, terminating in front in a fovea. Length, .16 inch ; 4 mm. 



One specimen in my cabinet from Key West, othei-s will probably occur 

 in Florida. 



S. conformis, Lee. Bost. Journ. V., p. 72, pi. 5, fig 7 ; Mars. Mon., 

 1855, p. 484, pi. 18, fig. 103. 



Black, shining. Head sparsely punctulate, supra-orbital stria entirely 

 wanting. Thorax smooth at middle punctui-ed at the sides to the ex- 

 treme margin, punctured space narrowest at middle. Elytra coarsely but 

 not densely punctured at apex, punctures forming an irregular triangular 

 space, extending at suture slightly in front of middle ; external subhu- 

 meral short, close to the marginal, humeral very fine, internal subhu- 

 meral short, subapical and moderately deeply impressed ; first dorsal ex- 

 tending four-fifths to apex, 2-3-4, gradually shorter, the fourth arched, 

 joining the sutural which extends two-thirds to apex and thence con- 

 tinued by punctures ; apical marginal line obliterated near the suture, 

 Pygidium and propygidium densely and coarsely punctured. Anterior 

 tibicB finely denticulate, middle biseriately spinulose, hinder spinulose at 

 apex only. Prosternum strongly convex, stride divergent in front, 

 ascending, terminating in a fovea, anteriorly. Length .10-. 12 inch; 

 2.5-2 mm. 



Occurs from Pennsylvania to Georgia. 



S. plaeidus, Er. Jahrb., 1834, p. 189 ; Mars. Mon., 1857, p. 444, pi. 

 11. No. 33, fig. 103 bis ; lutubris, Lee. Proc. Acad. 1859, p. 315. 



Black, shining. Head finely punctulate, supra-orbital stria sub- 

 obsolete. Thorax smooth at middle, sparsely punctured at the sides. 

 Elytra sparsely but rather coarsely punctured at the apical third ; ex- 

 ternal subhumeral stria absent, humeral fine, internal subhumeral, short 

 apical, separated from the hvimeral ; first dorsal deeply impressed in its 

 entire length, extending beyond the middle, second somewhat longer, 

 gradually less deeply impressed to tip, third and fourth sub-equal, the 

 latter arching at base, joining the sutural which does not attain the tip of 

 the elytra; apical marginal line obsolete at middle. Propygidium sparsely 

 punctured, pygidium sparsely punctured at base, gradually becoming 

 shorter at apex. Prosternum rather acutely convex, striaj divergent and 

 ascending. Legs piceo-rufous, anterior tibia> finely denticulate, middle 

 and hind tibiaj finely biseriately spinulose. Length .08-. 10 inch ; 2-2.5 

 mm. 



