1884. ] Recent Literature. 1126 
Winnipeg, but “that the surface of the continent had nearly the 
same form then as now, and that the continental ice-sheet, resting 
on the land in a solid mass of great depth, formed the northern 
shores of Lake Agassiz and was the barrier that prevented its 
flowing into H udson bay. 
n p. 138 is not Mr. Upham a little sweeping? Has trans- 
ported drift been found on Mt. Katahdin above a point 3500 feet 
above the sea, and was the summit of Mt. Washington glaciated ? 
The occurrence of the single boulder found by Professor Hitch- 
cock scarcely proves so much as that. 
Tue STANDARD, Naturat History.—This work is being rap- 
idly real and a appears to be well sustained in point of treat- 
‘XO INDAY 4L 
Hi i iis DE E TT 
l ipanga i i 
ment by the different contributors, as well as in illustrations, pape 
