Coleopterous Insects of Massachusetts. 3T 
6. ELATER SUBLUCENS. 
E. corpore elongato, sub-cupreo, subtus rufo; antennis serratis; 
thorace punctulato, ante medium bi-impresso, mes anticis sub- 
rotundatis, Tune et angulis posticis aeri Perse elytris 
striatis et punctulatis; pedibus rufo-ferrugi 
Body elongated, pale coppery, beneath reddish or red- 
dish ferruginous: antenne serrate, fourth joint scarcely 
longer than the third, which is longer than the second ; 
- first two joints brownish: front with an impression: 
thorax sub-elongate, punctured, rather broader at base 
than anteriorly, an impression on each side before the 
iddle; median sulcus impressed only from behind the 
middle to the base; anterior angles rounded, sides nearly 
straight, posterior TES nearly in a line with the mar- 
gin, considerably produced, but only moderately acute ; 
their color is ferruginous, which also tinges the margin 
to some extent: elytra striate, punctured, gradually 
tapering: feet reddish ferruginous. 
Length less than four tenths of an inch. 
Occurred at Cambridge, Mass., June, 1832. 
7. ELATER BIGEMINATUS. 
E. corpore nigro; antennis serratis; thorace longiore quam lato, 
lateribus MM angulis posticis sub-rectis; elytris striatis, 
fulvo bi-maculatis 
Body black, moderately slender: antenne brownish, 
joints rather closely set, second and third nearly equal: 
thorax longer than broad, indistinctly punctured, not 
channeled except obsoletely at base; sides nearly paral- 
lel; posterior angles nearly in a line with the sides, 
hardly acute, not greatly produced: elytra moderately 
