172 JOHN L. LECONTE, M. D. 



HYLTJRGUS Latr. 

 This genus as defined by Dr. Zinimermann is equivalent to Hijlns- 

 tes Er., and the species will be referred to under that heading. The 

 one described below, however, corresponds exactly with the European 

 type, having the club small, oval, rather thick, distinctly annulated, 

 pointed at the tip, very thinly pubescent, shining and nearly glabrous 

 at the base; the funiculus is as long as the club, and composed of 6 dis- 

 tinct joints, of which the 2nd to the 5th gradually increase in width, 

 the 1st is larger and thicker than the others. The tibiae are dilated, 

 and armed with a few distinct teeth near the tip. The tarsi are broken 

 in my specimen, but are described as having the 3rd joint emarginate, 

 not wider than the 2d. The body is long and cylindrical, shining, 

 with a few fine erect hairs on the elytra, which are feebly striate with 

 rows of punctures; the intervals are marked with irregular double series 

 of very small punctures, and single rows of very small tubercles gradu- 

 ally becomings larger towards the tip, which is convex, and broadly 

 sulcate along the 2d interval, which is free from tubercles on the de- 

 clivous portion. 



H. analogus. — Differs from the European H. lirjniperda by the thorax being 

 stroiio-ly but not densely punctured, without any distinct smooth dorsal line. 

 Long. 4 mm. 



One speeinien, New York; more slender in form than owx Dendroc- 

 tonus and easily recognized by its more shining appearance. 

 CARPHOBORUS Eichhoff. 

 This genus is quite distinct by the 1st joint of the tarsi being 

 shorter than the 2d ; the 3d is not broader, and is moderately emargin- 

 ate the 4th is as long as the others united: the tibiae are dilated and 

 distinctly toothed towards the tip, the front pair are armed with a 

 strono- hook at the inner angle as in Demlroctonus from which this 

 o-enus differs by the form of the antennal club, and the shape of 

 the body, which is slender and cylindrical. The club is oval, thick, a 

 little longer than wide, transversely annulated, obtuse at tip, glabrous 

 at base : the funiculus is 5-jointed, the 1st joint larger and thicker, the 

 others forming a conical mass. 



C. bifurcus Eichh. Berl. Ent. Zeitschr. 1868, 147. (Ante, p. 148.) 



DENDROCTONUS Er. 

 Following the example of the latest European authors, I would re- 

 strict this name to the species having a short broadly rounded club, 

 rather truncate at tip, shining and nearly glabrous over its whole surface, 

 strono-ly compressed and concave externally; the funiculus is composed 

 of 5 distinct joints, the 1st thick and rounded, the others gradually 



