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fifli appeared in the night like a burning coal; 
“ fo that, without any other light, I could read by 
“ it the fame charaders that I read by the light 
“ in the wake of the fliip. Its mouth being full 
“ of a vifcous humour, we rubbed a piece of wood 
“ with it, which immediately became all over lu- 
“ minous ; but, as foon as the moillure was dried 
“ up, the light was extinguiifhed. 
“ I leave it to be examined whether all thefe 
“ particulars can be explained by the fyftem of fucli 
“ as alTert, that the principle of this light confifts 
“ in the motion of a fubtle matter, or globules, 
“ caufed by a violent agitation of difterent kinds 
“ of falts.” 
LX IV. A Scries 
