THE GEOUND BEETLES. 49 



c. Under surface of thorax coarsely and sparsely ijimctate. 



35. CLAIRVILLEI. 



cc. ITuder surface of thorax finely and densely punctate ; legs piceous. 



36. L.EVIGATUS. 



hi). Elytra punctate, at least on sides. 



(1. Whole surface of elyti'a sparsely and coarsely punctate; length 



7-7.5 mm. 37. cioatuuosus. 



(?(/. Raised portions of elytra between the impressions not punctate; 



length X-S.5 mm, 38. fl-ligixosus. 



Ud. Thorax finely, evenly and densely punetate; front tarsi of male with 



three joints dilated ; len.!i;th (i mm. 3'.>. ruscakius. 



'.'>') (150). Elaphri-.s ri.AiRvii.ij!:i Kirliy. Faun. Bor. Anier., IV, 1837. 



Elougate-oblong. Obscurely bronzed, shining; elytra with a purplish 

 tinge ; legs paler. Head sparsely punctate, vertex fovcate. occiput deeply 

 impressed. Thorax not wider than head, disk with a deep fovea each side, 

 the base and apex sparsely punctured on the sides. Elytra with four rows 

 of eye-like fovete. Length 8.5 mm. 



One in Field irnsenm collection labelled "Ind. " Probably 

 from near South Bend. A member of the boreal fauna. 

 3(j (151). ELvrHEUM L.-EVIQATDS Lec. Ann. Lye. Nat. Hist, V. 1S52. 1200. 



Bronzed, shining, legs i)iceous. Elytra not punctured, the fovese 

 purplish. Length 7-S mm. 



Two specimens in Field Museum labelled ' ' Ind. ' ' Ranges from 

 ^Michigan to California. 

 37 (153). Ei.Ai'iiRus ciCATRicosrs I.#c.. Ann. Lye. Nat. Hist.. IV. 1S4S. :I4S. 



Elongate-oblong. Dull brassy almve; bluish beneath; tibia? and tarsi 

 dull yellow. Thorax with a deep median impression and a small circular 

 fovea each side; the punctures, as well as those of elytra, much more 

 coarse and irregular in size than In riiscurius. Length 7-7.5 mm. 



Mud flats, border of cypress .swamp, Knox County ; frequent lo- 

 cally. June 29-September 2. 



3S (155). Elaphei's fuliginosis Say. Trans. Amer. I'hil. Soc. IV. 1,S34. 

 417; ibid. II, 5:ii». 

 Brassy-black, tinged with green above, metallic green below; tibiiie 

 and tarsi reddish-brown. Thorax and sides of elytra sparingly punctate; 

 disk of latter in part smooth. Length S-S.5 mm. 



A northern species taken sparingly along the beat-h of Lake 

 ^Michigan near Pine, Lake County. May 20-Jtuie 29. 

 30 (100). Ei.APHErs EUSCAUHs Say. Trans. Amer. Phil. Soc. 

 IV. 1834. 417; ibid. II, 40(5. .-.:!0. 



Dull brassy above; metallic green beneath; impressions 

 of elytra purplish ; legs reddish-brown. Thorax coar.sely puiic- ^.^ g^ 

 tate beneath, the disk with a faint median impression. Length (After Leng.1 

 C, mm. (Fig. 37.) 



