310 [Dec, 1845. 



Deep black, strongly blackish-hirsute : head sparsely punctate, with the cly- 

 peus obtusely rounded ; antennae approximating, two-thirds the length of the 

 body, 11-jointed, moderately serrate, black, hirsute, with the first joint shorter 

 than the fourth, clavate, second and third very small, subglobosc,. joints 4-10 

 equal, terminal joint longest, slender, acuminate at tip, three basal joints dull 

 testaceous; palpi testaceous, filiform, terminal joints longest, slender, acutely 

 pointed; labrum very narrow: thorax somewhat inequal, transverse, subcylin- 

 dric, slightly wider at base, distantly and profoundly punctured : scutellum very 

 small; elytra nearly twice as wide, and four times as long as the thorax; hu- 

 meri somewhat prominent, thence to near the apex progressively narrowed; 

 punctate-striate, with the punctures profound, close-set, the interstices fine; be- 

 neath and femora black ; tibce and tarsi brownish, the latter slender, with the 

 second, third and fourth joints lobed beneath, claw-joint long, slender, armed 

 with two fine, almost straighl, nails. 



Hkdobia, Ziegl. 



HI humeralis. Black; humerus, and middle of the thorax transversely 

 fulvous; antennas serrate. 2^ 1. long; 1. wide. Pennsylvania. 



Piinus humeralis, Melsh. Catal. 



Oblong, robust, black : head pendent, clothed with a dense white pubescence, 

 clypeus sinuate at the base of the antennae, dilated towards the tip, and there 

 truncate and indented in the middle ; labrum small, transverse-quadrate; eyes 

 globular; antennae not approximating, black, distinctly serrate, 11-jointed, 

 rather more than half the length of the body, with the first joint short, clavate, 

 second small, slightly triangular, joints 3-10 equal, terminal elongate, subcylin- 

 dric, acuminate at apex ; mandibles short, robust, black and acute at tips; palpi 

 filiform, short, testaceous, with the terminal joints acute at the tip: thorax not 

 wider than long, with the sides rounded ; posterior edge straight, anterior edge 

 rounded ; disk unequal, carinated, clothed with fine pile; black, with the medial 

 convexity triangularly ferruginous ; each side of the middle towards the hind 

 angles, with a small, obtuse, whitish tubercle : scutellum subtriangular, rounded 

 at tip, white-pubescent : elytra rigid, nearly twice as wide as the thorax, with 

 the sides parallel from the base to near the apex, which is obtusely rounded : 

 above flattish, obscurely punctate-striate, interstices fine, faintly raised ; humerus 

 fulvous ; each elytrum with an abbreviated whitish raised line, originating be- 

 hind the humeral spot: venter and pectus convex, black, whitish sericeous ; feet 

 black, sparsely pubescent : tarsi short, with the four last joints dilated : nails fine, 

 short and almost concealed. This insect is placed only provisionally in the 

 present genus ; it is probably referable to Ptinidae, but scarcely to any of its 

 present constructed genera. The same may be said of the preceding species or 

 Ochinu nigra, 



Lymexylonidx, Steph. 



Cupks, Fabr. 

 C. Lrilincata. Pale ferruginous; elytra with three longitudinal raised lines 

 I. long ; 2 I. wide. Pennsylvania. 



Dull reddish-brown or ferruginous : head as large as the thorax, with the era- 



