AKTHROPODA OF THffl COMMANDER ISLANDS. 331 



Family SILPHIDJE. 



(16) Silpha lapponica Linnseus. Herlbst, Kaf., V, p. 209, t. 52, f. 4. Kirby, Fn. Bor. Am., p. 100. Leconte, 



Synop.,p.278. 

 eali/ornica Mannerheim, Bull. Mosc, 1843, II, p. 2,53. Esohsch. Dej., Cat., 3d ed., p. 132. 

 eaudata Say, Journ. Acad. Phil., Ill, p. 192. 

 granigera Chevrol., Col. Mex., 1831, 1, No. 1. 

 rugoso var., Liim6, Fn. Suec, No. 455. 



triberculata Germ., Ins. spec, nov., p. 81. Gemminger et Harold, Cat. Coleop., II, p. 722. 

 Beriug Island. Two examples in 1882, ten in 1897 (Stejncger). 

 Geographical distribution. — Northern Europe, Siberia, and Arctic America to New 

 Mexico and Vermont. 



(17) Lyrosoma opacum Msiunerheim. Bull. Mosc, 1853, p. 175. J. Sahlberg, Vega, 1885, 66, 70. Heyden, 



Cat. Coleop. Sibir., 1895, p. 53. 



Nikolski, Bering Island. One example, July, 1895; one in 1897, and three speci- 

 mens from Glinka, Copper Island, all taken by Dr. Stejneger. • 



Sahlberg records a single specimen from Bering Island, collected by the Vega 

 expedition. 



Geographical distribution. — Kamchatka, St. Paul, Apognak and Atkha Island. 



(18) Lyrosoma pallidum Esehsoholtz. Zoologischer Atlas, I, p. 7, Tab. VIII, f. 8. Mannerheim, Bull. 



Mosc, 1853, p. 175 (footnote). 

 Copper Island, two examples; Glinka, Copper Island, six examples, taken July- 

 August, 1897 (Dr. Stejneger). 



(19) Anisofoma ahhreviata Sablberg. Vega, 1885, 65, 75. Heyden, Cat. Coleop. Sibir., 1895, p. 53. 

 Bering Island, two examples, 1897 (Stejneger). 



Sahlberg recorded one example from Bering Island, collected by the Vega expe- 

 dition. The species, so far as known, seems peculiar to the island. 



(20) Agathidium rotundulum Mannerheim. Maimerbeim, Bull. Mosc, 1852, p. 370, No. 176. 

 Mkolski, Bering Island. One example, July 28, 1883 (Dr. Stejneger). 

 Geographical distribution. — Sitka and Queen Charlotte Island. 



Family STAPHYLIISriDJS. 



(21) CreopMlus maxillosus, var. villosus Gravenborst. Micr., p. 160. Erichs., Gen., p. 349. 



5 fasciatus Casteln., fitud. ent., p. 111. 



^ mandiiularis Esobscb., in litt. Gemminger et Harold, Cat. Coleop., II, p. 575. 

 Heyden, Cat. Coloep. Sibir., p. 41. 

 Bering Island, North Eookery, three examples, July, 1895; Glinka, Copper Island, 

 one example, 1897 (Stejneger). 



Geographical distribution. — North American Continent south to Guatemala. G. 

 maxillosus Linn, occurs over the whole Palearctic region. 



(22) Quedius sublimbatua Miiklin. Maklin, Bull. Mosc, 1853, III, p. 190. Gemminger et Harold, Cat. 



Coleop., II, p. 575. Heyden, Cat. Coleop. Sibir., p. 41. 

 Nikolski, Bering Island, one example, July 28, 1882 (Stejneger); Copper Island, 

 one example, 1897 (Barrett- Hamilton). 



(23) Quedius hyperboreus Erichaon. Gen., p. 547. 



Fellmani Zetterstedt., Ins. Lapp., p. 62 (forte). Gemminger et Harold, Cat. Coleop., II, 

 p. 570. 

 Nikolski, Bering Island. One example, July, 1882 (Stejneger). 

 Geographical distribution. — Northern Europe, Siberia, Aleutian Islands to Colo- 

 rado and Maine. 



