J. H. Kinahan—Esker or Kim Drift. 137 
reason, to me unknown, there were at times “ flashes,” or areas 
of shallow water, accumulated margining the faces, portions of 
which were still water, while in other portions there were cur- 
Tents; or it might have been a mass of snow margining a narrow 
flash of flowing water. This latter suggestion is put forward 
on account of what can be seen, but on a very small scale, in 
some of the Irish mountains, but more largely in some of the 
valleys of the Canadian Rockies. If such is their origin they may 
be considered in part allied to true eskers. 
he above notes are written because it appears that American 
observers are unwittingly confounding the true Esker drift with 
the others which are more or less similar; and as the writer 
was the first, or one of the first, who pointed out the very 
different, but in some cases, rather similar drifts, that were 
me, a which are names for the one 
and the same class of drift, he may perhaps be excused for 
fined, winding ridges, on a more or less level tract or area, and 
in su 
of the Central Plain of Ireland,” Dublin Geol. Soe., vol. x, or 
the Dublin Quarterly Journal of Science, vol. iv, and in the 
logy of Ireland, Bhan. xy, page 251, ete. 
Ramelton, Co, Donegal, Dec. 10, 1884. 
