570 Coleoplerological Notices, V. 



was picked up in the streets of Denver, during- a casual visit some 

 years ago, and it has since been taken by Mr. Wickham at Greeley. 



S. contractus. — Narrowly obloiig-oval, moderately convex, highly pol- 

 ished, piceous-black, with a \ery feeble seiieous lustre. Head finely, closely 

 punctate, the punctures rather rugose anteriorly ; marginal stria wholly obso- 

 lete ; antennal emarginations bisinuate. Prothorax a little more than twice 

 as wide as long, the sides feebly convergent and arcuate near the base but 

 becoming more so near the apex ; marginal stria fine, feeble ; disk finely but 

 strongly and remotely punctate, the punctures less remote anteriorly and 

 distinctly closer but not dense and not much larger near the sides, coarser at 

 base near the middle. Elytra three-fourths longer than the prothorax and 

 slightly wider at basal fourth, strongly, remotely but not very coarsely punc- 

 tate, the punctures distinct at base, becoming gradually less remote and some- 

 what larger toward apex ; marginal stria fine, gradually evanescent along 

 the apex ; outer subhameral fine but distinctly diverging from tlie marginal ; 

 oblique humeral feeble ; inner subhumeral rather long, oblique and uneven ; 

 dorsals somewhat fine, distinctly but finely punctate, subequal, extending to 

 about the middle, the third slightly, fourth broadly, hooked at base, the latter 

 not extending to the middle, sutural altogether untraceable in basal third. 

 Pygidia very finely, extremely densely punctate. Prosternum evenly but 

 strongly convex, the strise rather approximate behind, rapidly ascending, the 

 parallel apical parts twice as distant as the basal ; foveje elongate and feeble. 

 Anterior tibise finely, closely serrato-spinulose externally. Length 2.0 mm. ; 

 width 1.4 mm. 



Arizona (Tu(;son). 



The single specimen before me represents a species which is also 

 allied to laridus, but distinguishable readily by its sparser and 

 coarser punctuation, more approximate basal part of the prosternal 

 striae, and by the longer sutural stria, which fully attains the apical 

 angles ; it also differs in its stronger and rather denser sculpture of 

 the pygidium. 



S. intritus. — Stout, oblong-oval, convex, dull, black, the legs dark rufo- 

 testaceous. Head strongly, densely punctato-rugose, the clypeus still more 

 densely and finely ; margins of the front near the clypeus almost transverse ; 

 marginal stria obsolete. P/o/Aorax a little more than twice as wide as long; 

 sides feebly convergent and slightly arcuate, gradually much more convergent 

 and broadly arcuate beyond the middle ; marginal setse short ; lateral margin 

 broadly arched throughout the length when viewed laterally ; stria fine, dis- 

 tinct ; disk strongly, rather densely punctate throughout, the punctures finer 

 toward the middle, extremely dense and somewhat rugose toward the sides. 

 Elytra somewhat prominent at the sides near the base and slightly wider than 

 the prothorax, one-half longer, much wider than long ; lateral stria inferior, 

 coarse, straight, fine along the apex to the suture; outer subhumeral distinct. 



