392 JOHN HAMILTON, M. D. 



MALACHID^. 



4;57. Malachius seneus Llini. — This European species occurred at Cambridge, 

 Mass., but does not seem to have spread widely. P. vi, 165; T. iv, 113. 

 Eastern and western Siberia. Heyden, 128. 



CLERID^. 



438. Opilus domesticus Sturm. — This species of northern and central Europe 



has been introduced into Canada, Le(^onte's List, 55. It occurred but 

 once, and has not been found since. Horn. 



439. TarsostenusunivittatusEossi,aZ6o/r(scia<?ts Mels.. Tillus picipennis White. 



— This is a cosmopolitan species which has occurred at a few places in 

 North America. Pennsylvania, Melsheimer; Texas, LeConte. Pr. 

 1873, 334; An. Lye. v, 17; J. A. iv, 36. 



440. Laricobius Erichsoni Ros., rtibidus Lee. (C. 220). — District of Columbia 



under the bark of a conifer, LeConte; Detroit and Marquette, Mich., 

 Schwarz; Ottawa, Harrington ; Massachusetts, Blanchard. New York, 

 Ent. Am., vi, 154. Europe (the Alps). 



441. Necrobia ruflpes DeG., reticulata Esch. — This species and the two fol- 



lowing are well known cosmopolites. Rufipes is found from Florida to 

 Vancouver, and throughout Europe and Siberia. Riley, Missouri Rep. 

 vi, 96; Heyden, 130. 



442. N. ruflcollis Fab.— This species is as widely distributed as rufipes, extend- 



ing to Alaska. It does not seem to have occurred in Siberia. It lives 

 mostly on carcasses. This beetle has attained celebrity as instrumental 

 in saving the illustrious Latreille from transportation and consequent 

 death. 



443. N. violacea Linn. — Nearly everywhere in North America. Probably 



native as well as introduced, since it is spread over eastern and western 

 Siberia, Europe. An. Lye. iv, 162; Col. Am., 113; Heyden, 130. 



PTINID^. 



The species of this family here catalogued have been introduced from Eu- 

 roi)e, with perhaps one exception, being transported from place to place 

 in articles of commerce. 



444. Gibbium psylloides Czempinsk, scotias Scop. — My specimens of this curious 



species are from New Orleans, La. ; Charleston, S. C, Horn. Central 

 and southern Europe, in old buildings. Nearly cosmopolite. 



445. Mezium americanum Lapl., arachnoides Desbr., bicolor Dej. Cat. — Florida, 



Schwarz; Florida and Louisiana, my examples; occurs in old hay and 

 rat's nests. ? District of Columbia. Riley. Hubbard, P. W. i, 14. Greece, 

 Morocco, Cape Verd, Madeira, Canaries, South America, etc. 



446. Spheericus gibboides Boisl. — Found depredating on plants in the Calif. 



Acad. Sciences, Harford, in litt. Europe, Sicily, Algeria. P. W. i, 174. 



447. Ptinus fur Linn., hnmeralis Say, americanus Fald. — This species inhabits 



old houses, natural history museums, etc., and occurs occasionally in all 

 parts of our country to Alaska. It is common in Europe and Asia to 

 Kamtschatka. Col. Am., 154 ; Heyden, 130. "Possibly cosmopolite." 



