VEGAPENTHES. $09 



diness is seen only on the margins of this spot , which is also 

 very indistinct. 



Les especes suivantes sont voisines du M. rufilabris : 



2. M . PROTERVUS. Elongatus , ater , nitidus , cinereo-pubescens , 

 thorace lalitudine longiore , antrorsum a bast paulo angm- 

 tato , lateribus parum rotundatis, sat dense punctato , elytris 

 parallelis basi anguste et epipleuris sanguineis , striis punc- 

 tatis, interstitiis subconvexis , rugose punctatis , antennis piceis, 

 articulo 3 2 ndo paulo major e , tar sis rufo-piccis. Long. 4". 



x 



Elater protervus. LEG. Rev. Elat. Un. St. in Am. phil. soc. Trans. H , new 

 ser. p. 471, 35. 



Lake Superior. It is difficult to determine whether this should 

 not be considered as E. semicinctus Randall (Bost.Journ. Nat. 

 Hist. II , 10 ;) but the expression body considerably dila- 

 ted coupled whith the observation that it seems most 

 nearly allied to E. discoideus has induced me to refer Ran- 

 dall's description to n 8 of this genus (E. semicinctus Rand.) 

 above described. The thorax in this species is less narrowed 

 in front than usual; the elytra are also parallel beyond the 

 middle , then gradually narrowed to the tip. 



3. M. STIGMOSUS. Elongatus , ater , cinereo-pubescens, tliorace 

 latitudine longiore antrorsum subangustato , lateribus anlice 

 subrotundatis , sat denne punctato , postice obsolete canaliculate, 

 elytris macula hamata basali , humerum include nte , alteraque 

 utrinque transversa pone medium flavis , striis punctulatis , 

 interstitiis planis rugose punctatis , pedibus antennarumque ban 

 testaceis his articulis 2 et 5 wqualibus. Long. 2 1/10'" 2 i/s''. 



Elater sliymosus. LF.C. loc. cit. p. 472 , 36. 



Lake Superior , two specimens. A very distinct and prelty 

 species ; the yellow spots of the elytra are arranged in the 

 following manner : a line from the middle of the base follows 

 allong the fourth interstice for one-third the length of the 

 elytra ; it there meets a broader line running obliquely in- 



