5(0 MELANOXANTDUS. 



wards from below the humerus , and slightly dilated along (he 

 margin; the posterior spot is small and situated one third the entire 

 length of the elytra from the apex; in the second specimen the hook 

 formed by the junction of the two anterior lines is imperfect, 

 and the posterior spot is larger , becoming almost round ; the 

 tibiae and tarsi are much paler than the femora. The second 

 and third joints of the antenna? together are not longer than 

 the fourth. 



4. M. CAPRELLA. Elongatus , ater cinereo-pubescens , thorace 

 lalitudine longiore , antrorsum angustato, later ibus antice ro- 

 tundatis , sat dense punctato , vix canaliculate ; elytris macula 

 basali , alter a angnlata ante medium terliaque rotimdata ad 

 dodrantem flams , striis punctatis, interstiliis plants rugose punc- 

 tatis antennis articulis 2 ndo et 3 cequalibus , pedibus testaceis. 

 Long. 2 1/4'". 



Elater caprella. LEG. Reports of Expl. and. surv. for a Railr. route f. t. 

 Miss. Riv. t, t, Pacif. Oc. . vol. IX , Zool. Ins. n 1 , p. 47. 



Shoalwater Bay , D* Cooper. Very similar to E. stig- 

 mosits Lee. but the striae of the elytra are not so deep, and 

 the basal spot is not connected with the angulated spot 

 which rises along the suture nearly to the scutel ; the poste- 

 rior spot is larger and more rounded ; the thorax is more 

 distinctly narrowed anteriorly. Varieties were found in wich the 

 basal and angulated spots are obsolete , or even entirely wan- 

 ting. 



MELANOXANTHUS. 



ESCHS. in SILBERM. Rev. Zool. IV; tableau. 



Elater. LAC. Gener. dcs Cole'opt. IV , p. 187. 



Scricosomut. BOHEM. Eiiyen. Ecs. omkr. Jord. cnlom. Bidr. 1858. 



Tete enchassee dans le prothorax , assez petite , inclinee ; 

 front regulierement bombe, avec son bord anterieur arrondi ou 



