ANIMALS OF NEWFOUNDLAND 
57 
being itself isolated in character and approaching more to 
that of the Old World.* He was then unaware that this zoo¬ 
logical island, which his keen insight and judgment had 
recognised, extended really far to the north of New England, 
that it formed part, in fact, of the north-western prolongation 
of the European continent in late Pliocene times, preserving 
until the present day many characters in common with the 
Old World. 
* Agassiz, L., “ Fishes of the Tennessee,” pp. 363—364. 
