32 MATERIALS TOWARDS A HISTORY 



17. C. bolitaritjs, Say. (Cerambyx.) Journ. Acad. N. Sc, iii. 410. 



STENOCORUS, FaJbr. 



18. S. longipes, Say. Journ. Acad. Nat. Sc, iii. 426. 



EBURIA, Serv. Ann. Ent., iii. 8. 



19. E. QUADRIGEMINATA, Say. JoUHl. Acad., V. 275. 



CERASPIIORUS, Serv. Ann. Ent., iii. 10. 



20. C. garganicus, Fcibr. Syst. El., ii. 305. Harris, 81. 



21. C. QIJADRISPINOSUS. 



Pale yellowish-brown, scutel with yellowish hair, elytra immaculate. 



C. quadrispinosus, Dcj. Cat. Boston Collection, No. 559 ? Size and appearance of 

 C. garganicus. In Dr. Le Conte's specimen there is a little tubercle on each side of the 

 pronotum behind, which is wanting in mine. The larva lives in the sound wood of trees 

 of the genus Carya, the perfect insect appearing in the spring. Inhabits Pennsylvania, 

 where I have found but a single individual: also Carolina and Alabama, according to 

 Mr. Ilcntz. 



ELAPIIIDION, Serv. Ann. Ent. iii. 60. 



22. E. pulverulentum, Lin. Gm. p. 1857, No. 30G. Mels. Cat. 791. 



14'" long, 4j wide. Black, uniformly covered with dull, olivaceous, prostrate hair: a short, narrow facet along 

 the dorsal line: elytra with a reddish reflexion. Enaphalodes lecontci? Dejean. 



23. E. marilandicum, F., ii. 306. Oliv., iv., pi. 70, fig. 5. Drury, i. pi. 41, fig. 6 — multi- 

 color? Turton, L. ii. 334. 



11 — 12'" long; 3 — 3| wide. Inhabits Massachusetts: Pennsylvania, in July: Carolina, June — September. 

 Flics at night. This is our largest species, with the exception of the preceding. The colour is dark-reddish- 

 brown, covered with scattered tufts of short gray hair: pronotum scabrous, with numerous dilated punctures; a 

 circular or elongate facet along the posterior portion of the dorsal line, and a small facet upon each side before the 

 middle, the three forming an equilateral triangle. Elytra strongly punctured. The frontal line is impressed or 

 obsolete, and the dorsal facets are sometimes wanting. 



2 1. E. ItUFULUM. 



General appearance of marilandicum : rufous, with a tolerably uniform clothing of pale, 

 0( hraccous hair: antennae ochraceous: a small tubercle each side of the dorsal line, which 

 latter suddenly widens into a, triangular facet near the posterior margin. 



11'" long. 



-."). E. iSPERSUM. 



Robust, reddish-brown, thickly sprinkled With small whitish spots; antenna: slightly armed; prothorax sub- 

 globular, transverse; femora subclavate. 



8'" long; 2 wide. Cab. Le Conte. 



Head large, frontal line impressed, and continued as a smooth line over the vertex; antcnnai rather robust, 

 clothed with short prostrate hairs, and .slightly armed from the third to the sixth or seventh articulation: prothorax 

 pretty uniformly clothed, median line smooth and polished, bi-abbreviated, and widest posteriorly, a smooth tuber- 



