of Edinburgh, Session 1881-82. 
785 
In the case of those which he has been able to identify with 
rocks in situ , he states that they have all come from some 
westerly point. Mr. Richardson, a member of our Committee, 
has visited many of the boulders in the list given by Mr. Wallace, 
and states in his notes (page 11) that he was “struck with the 
number of boulders dotting eminences, and with the depth of 
sand which covered the hills, the whole pointing to a period of sub- 
mergence in Post Pliocene times.” In corroboration of this view, 
he cites the discovery last summer by Mr. James Fraser, C.E., 
Inverness, of Arctic marine shells at the height of 500 feet above 
the sea, at Drummore of Clava in this district.” 
3. Notes have also come to the Committee from Mr. Wm, Morrison, 
secretary to the Dingwall Field Naturalists’ Club. He has traced 
the boulders of granite and mica schist which abound on Tulloch 
Hill, to rocks situated on Ben Wyvis and Cairn Cunnaig, hills situ- 
ated from ten to twenty miles to the W. and 1ST. W. 
Nothing has, however, been discovered, to show decidedly whether 
the transporting agent was glacier or floating ice, except the physical 
outline of the country, which is quite unfavourable to the generation 
or movement of a glacier. 
Mr. Morrison suggested for consideration a curious question — 
Whether certain artificial cup-markings discovered by him on one of 
the Tulloch Hill boulders might not have been cut before the date 
of some natural striae which occur on the boulder 1 His reason for 
suggesting the question being that “ these cup marks were faint, 
where the scorings are deepest and most frequent.” 
He drew my attention to the circumstance, stating that it was a 
question interesting alike to geologists and archaeologists, so I wrote 
to ask specially whether any idea was entertained by him as to the 
possibility of the striae on the boulder having been formed after the 
cup marks had been formed. His answer was : — “ The suggestion 
formed on the mind unquestionably is, that the cups were partially 
obliterated by the scoring agent, and hence were made before the 
natural striae” (page 16). 
If this suggestion is supported by further examination and study, 
it would indeed be a very marvellous discovery, supporting the idea 
that glacial agencies had been in operation since the arrival of 
human inhabitants in Easter Ross. 
