THE 
EDINBURGH NEW 
PHILOSOPHICAL JOURNAL. 
On the Phenomena of the Scratched Rock Surfaces. By 
THEODORE KyERvuLF; with a Notice of the Post-Pliocene 
Fossils of Southern Norway. By Dr Sars, Professor of 
Natural History, Christiania.* 
[The following paper on the Boulder-clay of Norway, by 
the well-known Norwegian geologist, Kjerulf, is presented 
to our readers as likely to be interesting and instructive to 
the many students of this difficult subject, who may not 
have access to it in the original Norwegian. — 
The translator thinks it proper to mention that he has 
not adhered slavishly to the original text, having thrown two 
papers of Mr Kjerulf into one, and having omitted all that 
was of merely local interest. The second diagram here given 
is not strictly the same as any one of the many supplied by 
Mr Kjerulf, but isan attempt to reproduce in small compass 
all the essential features to be gathered from the whole of 
these. The most important alteration which it presents is 
the introduction of the small heap of boulder clay, underlying 
the marl, in a somewhat more distinct shape than it bears 
in the original diagram. This change is, however, justified, 
not only in part, by the particular diagram referred to, but 
still more by many statements in the text, more especially 
in some of those more local descriptions which have been 
omitted. In all cases the translator has endeavoured to 
* Translated from the Danish, for the Edinburgh New Philosophical 
Journal, by the Rev. R. Boog Watson, F.R.S.E. 
NEW SERIES.—VOL. XVIII. NO. I.—JuLy 1863. A 
