RESPIRATION OF KIT.RGUS OXlfcE. * 227 



remained in a very low ftate, during which I am certain that 

 I repeatedly tailed the gas. But my mind was now perfectly 

 tranquil, and at fimes I had feelings analogous to thofe I have 

 fometimes experienced during the time of breathing the gas 

 itfelf. During the whole of this and following day I felt de- Extreme depref- 

 prefled, with occafional flight giddinefs ; and as thefe feelings Jj^Si, 

 flill continued, on the Tuefday morning I confulted Dr. Garnet, 

 who confidering the excitibility of the fyftem to have been Medical treat* 

 exhaufted by too powerful a flimulus, directed a cordial me- ment * 

 dicine and a moderate quantity of wine, the good effects of which 

 I foon felt. It required a few days, with nourifhing diet, to 

 recover my former ilrength and fpirits. I never intend again 

 to breathe the gas in fo large a quantity. I remain much at 

 a lofs to account for the effe&s produced by the laft dofe, fo 

 contrary to all my former experience ; more efpecially as Mr. 

 Davy does not think the dofe was at all extraordinary in 

 quantity, and the gas was not different from that ufually pre- 

 pared. It has flood over water for a day, and was breathed 

 at the fame time by Mr. Davy and another gentleman with 

 po unufual confequence. 



I am, dear SIR, 



With much refpecl, 



Your obedient Servant, 



JAMES STODART 

 Strand, Feb. 19, 1802. 



P. S. I prepare the gas from the nitrate of ammonia ; am 

 particularly careful not much to exceed 400 degrees of heat, 

 and have always fuffered it to ftand fome hours over water 

 before it is ufed. I procure the fait in a very pure ftate frorfr 

 Mr. Accum. 



. 



Q 2 XVI. Remarks 



