119 



narrower in proportion, the posterior angles are more acute, and the tarsi 

 are black. 



[Taken by Agassiz's Expedition to Lake Superior.] 



339. Tklephorus (Malthacus) PuNCTicoLLis Kirby. — Plate vii, 

 fig. 4- — Length of body zVi lines. A single specimen taken in Lat. 54". 



[248]. Body black, rather hair}-, with short decumbent white hairs. 

 Head rhomboidal, liglitly and minutely punctured ; posteriorly obsoletely 

 channelled ; impressed lietween the eyes ; pale-yellow beiow the antennae ; 

 antennae longer than the prothorax, three lirst joints underneath of a 

 dull-red, second and third, taken together, scarcely longer than the fourth ; 

 prothorax nearly S(|uarc, lightly and very minutely punctured ; anterior 

 angles rounded, posterior rectangular ; disk channelled, and on each side 

 the channel longitudinally elevated ; sides luteous ; posterior margin 

 reflexed ; elytra very minutely and thickly punctured ; lateral margin 

 anteriorly rather pale ; legs black ; trochnnters and cubits dull rufous. 



[Belongs to Pfldabnis?\ 



340. Telepfiorus (MAi/rHAcus) L.^vicoLLis Kirby. — Length of 

 body 33^ lines. A single specimen taken in the Rocky Mountains. 



Body black, somewhat hoary with decumbent hairs. Head im- 

 punctured, impressed transversely between the eyes ; mouth and three 

 first joints of the antennae luteous ; prothorax nearly square, very glossy, 

 impunctured ; elytra less visibly [lunctured than in the preceding species ; 

 legs luteous, thighs brown at the i-ase. 



[Taken by Agassiz's ?Apedition to T^ake Superior. Belongs to 

 Podabrns.\ 



341. Tef-ephorus (Malthacus) Mandibularis Kirby. — Length of 

 body 2^ lines. Several specimens taken in Lat. 65'. 



Body all black, except the red mandibles, somewhat hoary with 

 decumbent hairs. Hind-head received by the prothorax ; eyes very 

 prominent 3 antennae longer than the prothorax ; third joint nearly twice 

 the length of the second ; prothorax impunctured, scarcely wider than 

 long, all the angles rounded ; disk channelled, less elevated on each side ; 

 posterior lateral margins somewhat reflexed ; elytra black, minutely and 

 confluently punctured. 



[Synonymous with T. fraxini Say. Taken in Canada j also by 

 Agassiz's Expedition to I^ke Superior.] 



