W. Upham—Terminal Moraines of N. American Ice-Sheet. 197 
ArT. XXXIL—Terminal Moraines of the North American Iee- 
Sheet; by WARREN UPHAM. 
[Continued from page 92.] 
Beyond Block Island the extreme terminal moraine does 
\ ay Head. ; 
side of Prospect and Peaked Hills they extend to heights 225 
drift without bo ing i tensive level plains, twenty- 
widers, lying in extensiv el p 
five to fifty or sixty feet above sea. Along the south shore 
* Described in Hitchcock’s Geology of Massachusetts, 1833 and 1841; in Lyell’s 
Travels in North America in 1841-2, vol. i, pp. 203-206; and in this Journal, I, 
Vol. xlvi, pp, 318-320. ; 
