Vol. 32. NOVEMBER 1866. No. 217. 



Published the First Day of every Month. — Price 2s. 6d. 



THE 

 LONDON, EDINBURGH, and DUBLIN 



PHILOSOPHICAL MAGAZINE, 



AND 



JOURNAL OF SCIENCE. 



Being a Continuation of Tilloch's 'Philosophical Magazine/ 

 Nicholson's 'Journal? and Thomson's 'Annals of Philosophy.'' 



CONDUCTED RY 



SIR DAVID BREWSTER, K.H. LL.D. F.R.S. L.&E.&c, 

 Sill ROBERT KANE, M.D. F.R.S. M.R.I.A. 

 WILLIAM FRANCIS, Ph.D. F.L.S. F.R.A.S. F.C.S. 



FOURTH SERIES. 



N° 217.— NOVEMBER 1866. 



WITH A PLATE, 



Illustrative of Mr. R.Walker's Paper on Ancient Shell Mounds at 



St. Andrews. 



LO ND O N: 



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