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bulletin: aiuseum of comparative zoology. 



Paludina Beds, Eiigland. 



Elater sp. 



Lower Eocene. 



Baltic Amber. 

 Eucnemidae, (many), 

 Eucnemis sp. 

 Microrhagus sp. 

 Elateridae, (many). 

 Cardiophorus, (two ? sp.). 

 Cryptohypnus, (two sp.). 



Lower Oligocene. 

 Elater, including Ampedus, (sevem 



sp.). 

 Elater naumanni Giebel. 

 Agriotes sp. 

 Limonius, (two sp.). 

 Athous sp. 



Aix. Lower Oligocene. 



Elater, (two sp.). 



Siebengebirge. Upper Oligocene. 



Silicernius spectabilis Heyd. 



Greith, Switzerland. Upper Oligocene. 



Elaterites amissus Heer. 



Spitzbergen. 

 Plater holmgreni Heer. 



Kutschlin, Bohemia. 

 Campsosternus atavus Deichm. 



Oeningen. 

 Adelocera granulata Heer. 

 Laeon primordialis Heer. 

 Alaus spectabilis Heer. 

 Cardiophorus brauni Heer. / 

 Cardiophorus sp. nov. 

 Elater, (five sp.). 

 Ampedus seyfriedi Heer. 



Lower Miocene. 

 Elater ehrenwardi Heer. 



Lower Miocene. 

 Elaterites dicrepidioides Deichm. 



Upper Miocene. 

 Ischnodes gracilis Heer. 

 Limonius optabilis Heer. 

 Corymbites sutor Heer. 

 Elaterites lavateri Heer. 

 Elaterites obsoletus Heer. 

 Elaterites, (five sp.). 



Myszyn, Galicia. Upper Miocene. 



Elater wisniowskii Lomn. 



From the above list, it will be seen that only eighteen species have 

 been specifically characterized from the European Tertiaries, scarcely 

 enough to make a comparison with the Florissant fauna of any value. 

 It should be noted, however, that several of the principal genera are 

 taken to be identical in the two areas. Too much confidence must 

 not be given the determinations in any case. Outside of the Floris- 



