( 3^^ ) 



tliofe^ atleaftj thatwerenearefttome; whence 

 it may be concluded that the fame happened 

 in thofe at a' greater diilance. They boiled 

 and fwelled perceptibly, but did not caufe 

 th^leaft found ; the water being in a fpace, 

 if not deprived of air, at leaft containing: 

 cxnly fuch as miiil be highly rarefied. 

 They, however, as in the former experi- 

 ment, continually diminilhed in fize, andj 

 after 'about four minutes, - entirely 'dlfap- 

 peared. During their ebullition, no fign 

 of any vapour was difcoverable around 

 them. 



It would be fuperfiuous prolixity to dc- 

 fcribe feveral other experiments which I 

 made with ftill greater quantities of water, 

 no difference being difcernible in the re- 

 iults. T very attentively obferved whether 

 the water aifumed a red colour, but faw no- 

 thing like it : this miftake muft have been 

 occafioned by the rednefs of the hot glafs 

 furrounding the water. 



On comparing thefe fads with thofe ob- 

 ferved 



