303 [Dec, 1845. 



Hirsute : head dark, dull rufous, finely rugosely punctured, slightly indented 



between the eyes; antennae dark rufo-piceous, clava ; labrum testaceous, 



emarginate ; mandibles piceous; palpi — : thorax dusky rufous, edges black- 

 ish ; semioval, rugosely punctured, clothed with rufous pile : elytra dark red- 

 dish-brown, densely and profoundly punctured on the anterior half, finely and 

 transversely wrinkled towards the apex, and with obscure raised lines; a white 

 curved band behind the middle of each clytrum, band dilated on the lateral mar- 

 gin ; an obsolete, dusky spot on the shoulder: beneath brownish ; feet chestnut- 

 red ; tarsi . 



PTiNiDiE, Leach. 



Ptilinus, GeofTr. 



P. bicolor. Dull reddish; head and pectus black. If I. long. Pennsyl- 

 vania. 



Head blackish, opake, minutely and densely wrinkled ; antcnnce, palpi and 

 feet color of the elytra: thorax strongly convex, finely and not densely scabrous 

 before the middle; dusky : elytra cylindric, dull reddish, with obscure numerous 

 punctures, placed in irregular series : abdomen dusky : pectus blackish. A little 

 larger than pectiaicorn Is, Lin., which it much resembles. 



Ptixus, Linn. 



1. Pt. i-macidatus. Dull rufous, with the antennas and feet paler; a large 

 black spot on each clytrum. U 1. long. Pennsylvania. 



Ptinus i-mac t ulatus, Melsh. Catal. 



Oblong-ovate, dull rufous, yellowish-hirsute ; head dark, with a longitudinal 

 impressed line in the middle, and behind the eyes with a transverse band of long 

 rufous pile ; antennrc as long as the body, testaceous, with the joints elongated : 

 thorax small, slender, strongly constricted before the base ; elytra punctate- 

 striate, each elytrum with a large black patch on the middle, hardly attaining 

 the suture ; frequently a small whitish spot at the hind edge of the black one , 

 beneath dark reddish-brown : feet dull testaceous. 



2. Pt. frontalis. Rufous; front and scutel white pubescent. 1| I. long. 

 Pennsylvania. 



Rufous, hirsute: head whitish pubescent; antennas as long as the body, with 

 the joints elongate pale rufous : thorax slightly tritulierculate : scutel densely 

 whitish pubescent: elytra dusky on the anterior half; punctate-striate, strire 

 shallow : beneath and feet paler than above. 



Pt. bimaculalus. Rufous; a subhumeral spot and pectus white. 1 1. long. 

 Pennsylvania. 



Pllnus blmaculatus, Melsh. Catal. 



Ovate, dusky rufous, blackish hirsute: antennra not as long as the body, with 

 the joints short, obconic, rufous : thorax slightly tuberculate, and like the head 

 rugosely punctured ; elytra dusky on the anterior half, with a white pilose spot 

 behind the humerus; punctate-striate : postpectus pilose : feet rufous. 



Lasiodehma, Steph. 



L. castaneum. Castaneous, yellowish pubescent. \\ 1. long; § I. wide. 

 Pennsylvania. 



