242 FRAGMENTS OF SCIENCE 



Sir John Lubbock. — On the Parallel Eoads of Glen Roy. Quart. Journ. GeoL 



Soc. 1867, vol. xxiv. p. 83. 

 Charles Babbage. — Observations on the Parallel Roads of Glen Roy. Quart. 



Journ. GeoL Soc. 1868, vol. xxiv. p. 273. 

 James Nicol. — On the Origin of the Parallel Roads of Glen Roy, 1869. G^ol. 



Soc. Journal, vol. xxv. p. 282. 

 James Nicol. — How the Parallel Roads of Glen Roy were formed, 1872. Geoi. 



Soc. Journal, vol. xxviii. p. 237. 

 Major-General Sir Henry James, R.E. — Notes on the Parallel Roada of 



Lochaber. 4to. 1874. 



