FIFTH REPORT OF THE DIRECTOR I908 



163 



are also found at Crab island, Bluff point, Plattsburg, and with- 

 out doubt may be found elsewhere in the present lake basin. 

 The evidence from Valcour island, however, is in itself sufficient 

 to demonstrate the presence of a preglacial lake which for many 

 thousands of years remained at a stable level very close to that 

 at present attained by Lake Champlain. For this ancient lake the 

 name Lake Valcour is proposed. 



