Nicol, James. (1861). ‘On the Geological Structure of the North-West Highlands,- extract.

Nicol, James. (1861). ‘On the Geological Structure of the North-West Highlands, and the Relations of the Gneiss, Red Sandstone, and Quartzite of Sutherland and Ross-shire’,  extract from the Quarterly Journal of the Geological Society, v.17, pp.85-113. 14 engraved sections inserted in text. No map. Text age-toned, clean. In very good condition.    

James Nicol collaborated with Sir RI Murchison until Nicol did not agree with his interpretation of the extent of the Silurian in Scotland. The story is well covered in David Oldroyd’s 1990 The Highlands Controversy.