Vol. 7. 



March 1830. 



Published the First Day of every Month. — Price 2s. 6(1. 



THE 



PHILOSOPHICAL MAGAZINE 



AND 



ANNALS OF PHILOSOPHY; 



COMPREHENDING 



THE VARIOUS BRANCHES OF SCIENCE, THE LIBERAL 



AND FINE ARTS, AGRICULTURE, MANUFACTURES, 



AND COMMERCE. 



No. 39. 



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NEW SERIES. 



N« 39.— M ARCH 1830. 



WITH AN ENGRAVING 

 Illustrative of Mr. De la Beche's Paper on the Formation of 



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Conglomerate and Gravel Deposits. 



BY 



RICHARD TAYLOR, F.S.A. L.S. G.S. M. Astr. S. &c. 



AND 



RICHARD PHILLIPS, F.R.S. L. & E. F.L.S. &c. 



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EouDon : 



PHINTED by and FOH IIICHARD TAYLOII, nED LION COUftT, FLEET STBEET ; 



Printer to the Uiiiversily of London. 

 And sold l)y Baldwin and Cradock ; Longman, Rces, Orme, Drown, and 

 Green; (Jadeli; Sherwood, Gilbert, and Piper; Simpkin and Marsha 

 Underwood; Highlcy: — and by Adam Bhick, Edinburgh; Smith and Son, 

 GUisi,'ow: and Ho(ii,'es and M'Artluir, Dul)lin 



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