The human transport of animals across the Northern Atlantic 



137 



FIG. 4. Spread of the Starling (Sturnus sturnus L.) in North 

 America since its introduction into New York in 1890. 



(After Wing, 1943.) 



(From Rosenberg, Faglar i Sverige.) 



auctt.), and a small clover-feeding weevil, Tychius picirostris F., are spreading fast 

 over the northern parts of the American continent at this very time. 



Other examples of recent dispersal, in Newfoundland and adjacent regions, are 

 mentioned below (p. 151). 



