Vol. 33. 



February 1809. 



No. ISO. 





Published the Last Day of every Month, 

 [PRICE 2s. 6d.] 



THE 



I PHILOSOPHICAL' MAGAZINE: 



COMPREHENDING 



THE VARIOUS BRANCHES OF SCIENCE, 



THE LIBERAL AND FINE ARTS, 



AGRICULTURE, MANUFACTURES, 



AND 



COMMERCE. 



NUMBER CXXX. 

 For FEBRUARY 1809. 



CONTAINING THE FOLLOWING ENGRAVINGS: 



Two Plates to illustrate Dr. William Richardson's Paper 

 -S^on the Basaltic Surface of the Counties of Derry and Antrim : viz. 



I. A View of Portmoon. 



'f\'$L 2. A View of Pleskin, on the N. W. side of Bengore Pro- 

 * montory. 



BT ALEXANDER TILLOCH, 



M.R.I.A. F.S.A. EDIN. AND PERTH. &C. 



LONDON: 



PRINTED BY RICHARD TAYLOR AND CO., SHOE LANE: 



And sold by Richardson's; Cadell and Da vies; Longman, 

 Burst, Rers, and Orme; Vrrnor, Hood, and Sharpe; 

 Murray; Highley; Sherwood and Co.; Harding; London : 

 Bell and Bradl-utr, and Constable and Co. Edinburgh: 

 Brash andREin, and D. Niven, Glasgow : and Gilbert and 

 Hodges, Dublin. 





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