484. Goleopterological Notices, VII. 



prothorax and f wider ; humeri quite evident, the plica strong ;; 

 subhumeral impression rather small, the inner fovea distinct ;: 

 subsutural impressions narrow, short and feeble, the suture ex- 

 tremely finely and feebl}^ elevated near the base. Legs long, the 

 femora rather strongly and equally clavate. Length L6 mm.; 

 width 0.65 mm. 



Lake Superior. This species is closely allied to paci^cws, but 

 has the antennse still more slender with the outer joints less trans- 

 verse. The above description is taken from a female specimen in 

 rather poor condition, but the species may be known by its rather- 

 large size, short, spai'se and not very conspicuous elytral vestiture 

 and dark coloration. 



12. S. tristis n. sp. — Moderately stout and ventricose, polished, subim- 

 punctate, the minute punctulation of the elytra barely traceable ; body black, 

 the elytra with a faint pieeous tinge, the abdomen piceous at tip ; legs and' 

 antennse dark ruf o-testaceous, the tarsi paler ; pubescence sparse and indistinct 

 anteriorly, rather short coarse cinereous recurved and distinct, on the elytra- 

 Head wider than long, the eyes rather large, strongly convex and subbasal, the 

 tempora very short and convergent; vertex with two large rounded foveiform 

 impressions ; clypeus convex. Antennse. slender, very gradually incrassate 

 from near the base, nearly ^4 as long as the body ; second joint distinctly 

 shorter and thinner than the first, cylindric, nearly % longer than wide, fully 

 }4, longer and distinctly thicker than the third ; three to ten gradually and 

 slowly increasing in width ; third much shorter than the fourth, 34 longer 

 than wide ; fourth %, fifth larger and fully %, longer than wide ; sixth sub- 

 globular ; seventh %, eighth shorter, %, wider than long ; ninth and tenth 

 longer and larger, nearly equal, % wider than long ; eleventh not wider, not 

 as long as the two preceding, gradually and narrowly ogival and scarcely 

 oblique toward tip. Prothorax about as long as wide, fully 34 wider than the 

 head, dilated and strongly rounded laterally before the middle, constricted at 

 basal third ; disk with a short and feeble transverse impression near the base 

 terminating at each end in a foveiform impression, the two large fovese at each 

 side within the constriction well developed. Scutellum moderate, parabolic, 

 wider than long. Elytra ^i longer than wide, nearly three times as 

 long as the prothorax and almost twice as wide, elongate-oval, widest 

 and more prominent at the sides at basal ^ ; humeri evident at base, the 

 humeral plica narrow and distinct ; subhumeral impression narrow, moderate 

 in length, deep and conspicuous ; inner fovea large ; subsutural impressions 

 feeble, the suture finely and feebly elevated toward base. Dorsal pygidium 

 only exposed at the extreme tip. Legs long and slender, the four anterior 

 femora moderately, the posterior feebly, clavate ; tarsi long and very slender.. 

 Length 1.3 mm. ; width 0.6 mm. 



Colorado, 



The unique male type has the posterior trochanters simple^ 



