The human transport of animals across the Northern Atlantic 



149 



FIG. 10. "Europeization" of the North American fauna, according to the number of 

 introduced Carabid beetles. 



course, is by no means obliged to accept the verdict "introduced" for any species 

 without hearing the arguments. Carabid beetles, as usual, may provide the material. 



Carabid beetles common to Europe and Newfoundland 



t = regarded as introduced from Europe 

 Agonum bogemanni Gyll. f A. miilleri Hbst. 



A. consimile Gyll. 

 A. mannerheimi Dej. 

 (different subspecies) 



A. qiiadripunctatum DeG. 

 t A. ruficorne Gze. 

 A. thoreyi Dej. 



