103 



'Anterior tarsi of the $ with. 



four dilated joints, furnished 



with brushes beneath; scutel 



horizontal; thorax flattened, 



oblong quadrate, with two 



oeellated spots ALAUS Esch. 



Anterior tarsi of the $ not per- E . ocnlatus Linn. (Hentz, No. 126.) 



ceptibly dilated; scutel nearly E. myops Fabr. (Hentz, No. 127.) 



vertical, thorax thick, convex, 



naiTOwed before STEATODERUS Esch. 



Third joint of the antennas at E. abruptus Say. 



least twice as long as the sec- E. attenuatus Say. (Hentz, No. 



ond, 19. 158.) 



ISA 



Third joint of the antennae less Hentz, No. 1088, not determined. 



than twice the length of the [Elatcr luctifer Hentz' MSS. 



second, 21. Catal.] 



f First tarsal joint longer than 

 the second and third togeth- 

 er; body short and thick . . AMPEDUS Megerle. 



in. J 



First, tarsal joint not longer than E. discoideus F. (Hentz, No. 1 3 7.) 

 the next two; thorax and lugubris Beauv. (Harris, No. 804.) 

 [_ body longer, 20. apicatus Say. (Hentz, No. 954.) 



Antennas of the male pectin- erythropusSay. (Hentz, No. 1076.) 



ated CTENICERA Latr. 



I have seen only one native spe- 

 cies (E. anchorago Randall), 

 Antenna? in both of the sexes which was brought from Maine. 



serrated Lumus Latr. 



E. spiraculatus Harr. Cat. (Hentz, 



No. 140.) 

 hieroglyphicus Say. (Hentz, No. 



143.) 



vernalis Hentz. (Hentz, No. 129.) 

 inflatus Say. (Hentz, No. 139.) 

 mono F. (Hentz, No. 136.) 

 Icevigatus Hbst. (Hentz, No. 130.) 

 appressifrons Say. (Hentz, No 



753.) 

 Scutel large, 22. circumscriptus ? Gerrnar. 



Hentz, No. 1406. {Elater spicu* 

 Scutel moderate, 23. latus Hentz' MSB. Catal.] 



