SfO MELANOXANTHUS. 



"wards from below the humérus , and slightly dilalcd along tlie 

 niarginj ihe poslerior spot is small and situaledone tliird the cntire 

 leiigth of ihe elytra from the apex; in the second spécimen the hook 

 fornied by the junclion of the two anlerior lines is imperfect , 

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

 libiaî and tarsi are much paler than the feniora. The second 

 and ihird joints of the antennse logelher are not longer than 

 the fourth. 



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

 latitudine longiore , antrorsuni angiistato, lateribus antice ro^ 

 tundatis , sat dense punctato , vix canaliculato ; elytris macula 

 basait , altéra angvlata ante médium tertiaqne rotimdata ad 

 dodrantem flavis, stiiis punctatis, interstitiis planis rugose punc- 

 tatis antcnnis articulis S"*"" et ô° œqualibus , pedibus testaceîs. 

 — Long. 2 1/2'". 



Elater caprella. Lec. Reports of Expl. and. siirv. for a Railr. route f. t. 

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



Shoaiwaler Bay , D' Cooper. Very similar to E. stig- 

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

 the basai spot is not connected with the angulaled spot 

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

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

 disiinclly narrowed anteriorly. Varieties were found in wich the 

 basai and angulated spots are obsolète , or even entirely wan- 

 tins. 



MELANOXANTHUS. 



Escus. in SiLBERM. Rev. Zool. IV; tableau. 



Elater. Lac. Gnner. des Colèopt. IV , p. 187. 



Sericosomns. Bohem. Eiiyen. lies, oiiikr. Jord. cntom. Tiidr. 18o8. 



Tète enchâssée dans le prolhorax , assez petite , inclinée ; 

 front régulièrement bombé, avec son bord antérieur arrondi ou 



