J. D. Dana—“Kames” of the Connecticut River Valley. 457 
very coarse, which would be very irregularly bedded.” “The 
glacial rivers which we have described appear to have flowed 
in channels upon the surface of the ice, and the formation of 
the kames took place at or near their mouths, extending along 
the valley as fast as the ice-front retreated.” P. 44. “When the 
river entered upon the work of excavating its present channel 
in the alluvium, the kame was a barrier which confined erosion 
to the area on one of its sides and protected its opposite side; 
so that this ridge of gravel often igi ‘si escarpment of a 
high tee with the river flowing at its 
e chief points urged by Mr. sag ae ee to the so- 
called “ames,” exclusive of those pertaining to mode of 
origin, are: :—origin ation : after the till and before the stratified 
ing to a depression between it and the terrace, 
and sometimes a large depression ; height: ee ee the same 
with that of the upper terrace or a little ve it. Further, 
his descriptions show that he refers coarse Sele ite deposits 
in the riverward part of the terraces always to “kam 
In my, study of the facts relating to the Connecticut Valley 
“kames,” I commenced at Windsor, the southern limit of the 
great sya of “kames,” and examined the valley formations at 
various places from that place to Lyme, and thence northward 
to Barnet and Lancaster: and the report I have to make is un- 
favorable to the ‘‘kames.” I made levelings at various a Fi 
in order more surely to identify the terraces map by 
Upham, and to apprehend their true relation to 185 Cionnes nad 
Valley, and also, to add, if possible to the facts. My trials 
soon satisfied me as to the essential correctness of his measure- 
ments. 
Windsor.—At Windsor (on the west side of the Connecticut) 
the upper terrace of the village rises toa height of about 216 
feet above the river or 520 feet a ove the sea- Seder I saw no 
y a ridge of stratified material, nearly flat-topped, oe 
about the same height as the upper terrace. Mr. Upham says, 
somewhat doubtingly, that this ridge “seems to be a <n de- 
