MR. HALDEMAN'S DESCRIPTIONS OF COLEOPTERA. 97 



sometimes connected by a pale transverse line ; disk slightly impressed upon each 

 side : elytra finely punctate and obsoletely costate, the surface clothed with fine hairs. 

 4 1 long. Carolina and Georgia. 



A. THORACicA. F. (Dahl. in Dej. Cat.) Black, cinereous pubescent, prothorax rufous, 

 narrowed posteriorly, sides convex, disk with an obsolete impression on each side : 

 elytra parallel, simple, and finely punctate. 3 — 4 1. long. 



EUGLENES Ww. Xylophilus Bonelli. 



E. FASCiATUs Mels. (Xyloph.) Proc. Acad. iii. 55. Var. a. Elytra black, 

 humeri and apex testaceous. New York, Carolina. " Englenes Wwy is used in 

 his Introduction. 



E. siGNATUs Hald. Finely pubescent, rufo-testaceous, elytra paler, densely punctate, 

 with a black spot behind the middle near the suture, and a medial one upon the 

 external margin; pectus punctate ; eyes black. | 1. long. New York, Carolina. 



MELANDRYA Fahr. 



M. STRIATA Saij. Long's Exp. ii. 286 — Costata\I)e]. — assimilis\.'^lViX\r\. New 

 York and Pennsylvania. Rare ; abundant in the west and along the great lakes. 

 May — June. The length varies from 4| to near 7 lines. Dr. Melsheimer (Pr. 

 Acad. ii. 55,) describes a rufous variety, a and h, with the frontal impression almost 

 obsolete, beneath and feet chesnut, &c. The former is the Serropalpus thoracicus, 

 and the latter S. bicolor, of the elder Melsheimer's Catalogue. 



M. LABiATA Satj. Long's Exp. ii. 287. M. americana^De]. — impressa].Stmm. 

 4 — 5 1. long. N ew York, Pennsylvania. May — June. 



M. EXCAVATA Hald. Black : prothorax with a slight tinge of rufous, sides suddenly 

 contracted before the middle and expanding at the anterior margin, forming a 

 strangulation or lateral concavity ; the greater portion of the disk is occupied with a 

 deep dilated impression widest posteriorly and bounded by an elevated margin, 

 posterior angles depressed and laterally subrectilinear ; head thickly punctate, labrum 

 fulvous ciliate, clypeus obscure rufous, shining ; front with three obsolete impressions, 

 one anterior and two converging backwards from the eyes : scutel short and 

 transverse, apex obtuse; elytra coarsely punctate and striate, the alternate costse 

 rather larger. 7 lines long, 2| wide. Western New York. 



PYTHO Lair. 



P. NIGER Kirhj. Fauna Am.-Bor. p. 164. 4 1. long. Lake Superior and Canada. 



P. AMERICANA Kb. Fauua, p. 165. 



P. ? PALLIDA Saij. Journ. Acad. iii. 271. 



