Coleopterological Notices. III. 149 



by its smaller size, coarser punctuation and much smaller, but at 

 the same time more convex and prominent eyes. 



It is represented by two specimens collected by Mr. Albert 

 Koebele. 



I. pillla Melsh. — Proc. Ac. Phil., Ill, p. 60. — Elliptical, convex, the 

 elytra generally slightly wider behind, piceous-black throughout, the tarsi 

 and sometimes the tibiae, prosternum and a feebly marked narrow sutural 

 line slightly testaceous ; surface slightly shining, the pubescence very short 

 and dense. Head finely, very densely punctate, the surface almost flat ; eyes 

 rather small ; antennae slender, about one-half as long as the body, the third 

 and fourth joints subequal in both sexes. Prothorax about three-fourths wider 

 than long, strongly narrowed from base to apex, the sides almost evenly arcu- 

 ate ; apex scarcely more than one-half as wide as the base, feebly arcuate ; 

 base transverse, scarcely visibly arcuate toward the middle, the angles right, 

 not distinctly rounded ; disk very vaguely and broadly impressed along the 

 middle, sometimes only near the base, the punctures tine but deep, distinct, 

 and almost in mutual contact ; basal foveae very feeble, short and extending 

 slightly along the basal margin. Elytra but slightly more than three times 

 as long as the prothorax, and, behind the middle, nearly two-fifths wider, at 

 base equal in width to the thoracic base ; apex moderately acute ; disk punc- 

 tured and with subsutural striae nearly as in sericea, the punctures slightly 

 coarser and a little sparser. Under surface rather shining, the abdomen very 

 minutely, feebly and somewhat sparsely punctate. Legs nearly as in sericea 

 but rather shorter. 



Male. — Eyes separated by about three times their own width. 



Length 4.9-5.3 mm. ; width 2.1-2.3 mm. 



Rhode Island; North Carolina. 



The terminal joint of the maxillary palpus is rather short and 

 robust, much less than twice as long- as the penultimate, with the 

 inner side nearly three-fourths as long as the outer. In this respect, 

 as well as in the much smaller eyes, the present species is inter- 

 mediate between sericea and quadristriata. 



The antennae do not differ greatly in the sexes, and are distinctly 

 shorter and a little thicker than in sericea. As in nearly all the 

 darker species the entire body is frequently paler from immaturity. 



This species makes the nearest approach to the European murina, 

 but has the pronotal punctuation distinctly coarser and less dense ; 

 in fact we have no species in which the punctuation of this part is 

 so excessively fine and densely crowded as in murina. 



I. quadristriata Coup. — The Canad. Nat., 1865, p. 62; velutina Lee: 

 N. Spec. Col., 1866, p. 139. — Rather broadly oval, strongly convex and shin- 

 ing, pale rufo- testaceous throughout, the anterior portions, antennae or the 



