Electrical Shocksjiom a Cat. 467 



Mining Maps nnd Sections. Communicated by Mr. Fox. 



On the Temperature of Mines. By R. W. Fox, Esq. On 



the Utility of a School of Mines. By Dr. Boase.— An Account 

 of the Quantity of Tin produced in Cornwall, in the Year. 

 By Joseph Carne, Esq.— An Account of the Produce of the 

 Copper Mines of Cornwall, in Ore, Copper, and Money, in 

 the Year. By Mr. Alfred Jenkyns. 



Among the donations of minerals are the foUowino-; 



A series of Specimens from the neighbourhood of Naples ; 

 Specimens illustrative of the Geology of the Malvern Hills ; 

 Specimens from St. Just ; Specimens from the Isle of Arran 

 and Norway ; Specimens illustrative of the Lizard District ; 

 Stalactites from Bermuda; Volcanic Specimens from the 

 Mediterranean. The Horn of an Elk and other Organic Re- 

 mains from Fentuan Stream- Works. 



Officers and Council for the Year. 



President: Davies Gilbert, Esq. M.P. V.P.R.S. &c. &c. 



Vice-Presidents: William Rashleigh, Esq.; Charles Le- 

 mon, Esq. ; John Scobell, Esq. ; John Paynter, Esq. 



Secretary: Henry S. Boase, M. D. 'Treasurer: Henry 

 Boase, Esq. Librarian : T. Barham, M.D. Curator : Ed- 

 ward C. Giddy, Esq. Assistant Secretary : R. Moyle, Jun. Esq. 



The Council: T.Bolitho, Esq.; Joseph Carne, Esq.; Stephen 

 Davy, Esq. ; Alfred Fox, Esq. ; G. D. John, Esq. ; Rev. C. V. 

 Le Grice ; M. P. Moyle, Esq. ; Rev. Canon Rogers ; H. P. 

 Tremenheere, Esq. ; John Williams, Jun. Esq. 



XCVL Intelligence and Miscellaneous Articles. 



ELECTRICAL SHOCKS FROM A CAT. 



To the Editors of the Philosophical Magazine. 



Gentlkmi-.n, — JiivERv child knows that in frosty weather 

 the back of a cat, when rubbed, possesses the power of emit- 

 ting electrical sparks ; but as I am not aware of its being ge- 

 nerally known tliat an electrical shock may be taken Irom the 

 animal, I have not thought the fact too trifling to merit your 

 notice. 



A few days ago, when sitting in a warm room beforw a 

 good fire, a favourite cat unceremoniously placed himself 

 upon my lap. After amusing myself for a short time in ex- 

 citing the sparks from his back, I was, in c()nse(|uencc of feeling 

 a disagreeable starting sensation in the left hand, about to 

 place the animal on the caipet, when it occurred to me that 

 the (.-fleet mi;rlit be electrical, as my left hand had been piaci-d 



3 N 2 under 



