ECOLOGY OF ISLE ROYALE. 193 



Nevada; Alaska; Siberia; Northern Europe. Hamilton, '94, p. 8; '94a, 

 p. 351. 



7. Bemhidium variegatum BsLj.=pafruele Dej. "In debris cast up on 

 the beach at the head of Tonkin Bay (I, 1) with B. versicolor and 

 Platynus." (G. 21). Gleason. 



Geographic Bangc. Nova Scotia ; New England States ; New York ; 

 New Jersey ; Penna. ; Maryland ; Distr. Columbia ; Texas ; Ohio ; Mich- 

 ijran ; Lake Superior region ; Wisconsin ; Illinois ; Iowa ; Missouri ; 

 Nebraska; Saskatchewan Basin, Manitoba; Colorado; Nevada; Calif, 

 to Brit. Columbia. 



8. Bembidium versicolor Lee. A. "In debris at the head of Tonkin 

 Bay (I, 1) with B. variegatum and Platynus Jf-punctatus (G. 21)." 

 <.ileason. 



Geographic Range. General distribution in Canada and United States ; 

 from Anticosti, Quebec to Florida, Texas and California and north to 

 Colorado and Manitoba; Pine, Ind. (Wolcott). 



9. Pterostichus coracinus Newm. A. A specimen of this species was 

 taken in the Lighthouse clearing (I, 7) on July 11 (G. 49) and on July 

 28 (G. 179). 



Geographic Range. Ottawa, Canada; Mt. Washington (summit) N. 

 H. ; Vemiont; New York; New Jersey; W. Penna.; Maryland; Virginia; 

 Dist. Columbia; Tenn. ; Ohio; Mich.; Northern Illinois; Iowa; Wyoming. 



10. Pterostichus femoralis Khj. A. A specimen of this ground beetle 

 was found under Cladonia upon a sloping rock shore (V, 2) just beyond 

 the reach of the waves, on August 16 (A. 130). 



Geographic Range. Ottawa, Ontario; Saskatchewan Basin; Mass.; 

 Mich.; W. Penn.; New York; Ohio (Dury) ; Colo.; New Mexico; No. 111. 

 and Ind. (Wolcott). 



11. Caiathus gregarius Say. A. A specimen was taken on or in leaf 

 mould in a deeply shaded balsam-spruce forest (I, 3) on July 24 (G. 140), 

 and (V, 4) on August 14 (G. 236). 



Geographic Range. Ottawa, Ontario; Quebec; Saskatchewan Basin; 

 Vermont; New York; New Jersey to Florida and Texas; W. Penna.; 

 Ohio; Mich.; No. Illinois (Wolcott); Wisconsin; Iowa; Kansas; Neb- 

 raska; New Mexico. 



12. Caiathus advena Lee. A. "One was found crawling through soft 

 decayed wood in the balsam-spruce forest (I, 3) on July 24 (G. 142)."' 

 Gleason. 



Geographic Range. Maine; Vermont; Mt. Washington, N. H. ; Mich- 

 igan; Colorado; New Mexico; So. Alaska. Hamilton, '94, p. 11. 



13. Platynus J^pimctatus DeG. A. A single specimen of this 

 species was found about camp at the Lighthouse (I, 7) on July 11 (G. 

 49), also in debris cast up on the beach at the head of Tonkin Bay (I, 1) 

 where it was found alive (G. 21). 



Geographic Range. Ottawa, Ontario; Canada; Hudson Bay and 

 Lake Superior regions; Mt. Washington, N. H. ; New York; W. Penna.; 

 Mich.; Wisconsin; Idaho; Colorado; New Mexico; Montana; Alaska; 

 Kamchatka ; Siberia ; Northern and Alpine Europe. Hamilton, '94, p. 11. 



14. Blechrus nigrinus Mann.^Zmeans Lee. "In the debris under 

 mats of bearberry on the rock ridge north of the Lighthouse at Eock Har- 

 bor (I, 3), (G. 64)." Gleason. 



Geographic Range. Saskatchewan Basin, Canada; New York; New 



