102 



11. 



'Antennje flabellated, tarsi sim- 

 ple Hemirhipus Latr. 



Antenna3 more or less serrated E. fascicular is F. (Hentz, No. 128.) 

 or pectinated, 12. 



12.^ 



' Head not plunged to the eyes 

 in the thorax, but with a dis- 

 tinct neck 



Head plunged to the eyes in 

 the thorax, neck none, 13. 



13 



[ Tarsi 

 1 Tarsi 



Tarsi lobed, 14. 

 si simjjle, 16. 



f Fourth tarsal joint very minute, 

 much shorter than the third, 

 15. 



■ ' Fourth tarsal joint equal to the 

 third in length, and lobed 

 beneath 



Antennre {)ectinated in the 

 males, second joint very short, 

 almost globose; second and 

 third tarsal joints lobed bo- 

 low, the lobes nearly equal . . 

 15. -( Antennae serrated in both sexes, 

 second joint obconic; lobe 

 of the second tarsal joint 

 very sliort; third tarsal joint 

 with a very distinct longer 

 lobe 



-Eleventh joint of tlic antennae 

 abruptly contracted at tip, 1 7. 



Campylus Fischer. 



Hentz. No. 1407. \_Elater capita- 

 tus Hentz' Mss. Catal.] 



acanthus Say. 



Also an insect not numbered, from 

 "Ohio, May 15, leaping imper- 

 fectly," which is E. seplentrionalis 

 Harr. Cat. 



16 J 



l^levonth joint of the antennae 

 not abruptly contracted at 

 tip, 18, 



MONOCREPEDIUS Esch. 



E. lohatus Say. (Heutz, No. 167.) 

 E.vespertinus Fabr. (Hentz, No. 



151.) 

 E. fJileclus Say. (Hentz, No. 141.) 

 E. bellus Say. (Hentz, No. 154.) 

 DiCREPIDIUS ? Esch. 



Hentz, No. 1404 S. [Elater pi- 



neus Hentz' mss. Catal.] 

 Hentz, No. 1099 ?. [Elater recu- 



bans Hentz' mss. Catal.] 

 An D. palmatus Dej. Cat.? 

 Atiious Esch. 

 E. bilohatus Say. 

 Hentz, No. 14 7. \^Ektter poidago- 



gm Hentz' MSS. Catal.] 

 Pgrrhus Hbst. 

 Hentz, No. 159. \^E later prosectus 



Hentz' MSS. Catal.] 

 haridius Say. 

 Hentz, No, 865. \_EUiter Tliomasi 



Hentz' MSS. Catal.] 



