128 ROYAL SOCIETY OF CANADA 
GEOGRAPHY. 
The St. Croix River, once nearly the centre of ancient Acadia, 
is now from source to mouth a part of the international boundary 
between the United States and Canada, between the State of Maine 
and the Province of New Brunswick (Fig. 1). Its mouth, as legally 
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Fic. 2.—Map to show the surroundings of Dochet Island. 
established and accepted by custom, is at Joes Point near St. Andrews 
on Passamaquoddy Bay (Fig. 2), but as a matter of geographical fact, 
it is farther north at the Devils Head, the part between these two 
points, some seven miles in length, and one and a half to two miles 
