C 5if8 ) 
?lfee Air,) each grain w^s in that cafe a kmd of a little Grana^^ 
and the heap of them beiDg tmiformly enough a^ed on by the 
fire, they were made to go oflj as to fence, all at once, as if 
there had been but a contemporary Explofion^m^dt of them all 
together by the aftion of the exteruai fire , rather than any 
tine Accenfim made by the flaming grains the unkindkd 
ones* 
To this firft Trad our Author adds 3 it Some New Expe- 
riments about the Relation betwixt Airzwd the Flamma VHaln 
or Vital Principle of Animals 5 In the firft of which Experiments 
are compar'd the Duration of the Life of an Animal^ and of 
the Flame of Spirit of wine^ included in a clofe vcflel Iq the 
feconda is compar'd the Duration of the Life of a Bird with 
Thrkftiog of a burning Candle or Goal in Vacuo Boyliana: Iq 
the thirdjis obferv'd what happened to the Lighf of Gloworms 
In the Exhaufted Receiver : In the fourthjthe foregoing Try. 
al is varied and improv'd : In the fifth, the former Inquiry is 
fti!! further profecuted : In the fixth and laft, 'tis examin'd 
whether Animals be heavier dead or alive. 2. An Attempt 
to produce Living creatures 5 and another made upbn Gnats^ 
in the fame vacuum. 
In the Second Trad the Author confidering^ that fome of 
the Aflertors of the Flamma Fitalis do explicate many of the 
motions of Animals^; efpecially thofc performed in the Mufclcs 
by the Bxplojiom made of certain juices of the Body, when 
they come to mingle with each other; a'salfo, that the Main* 
tainers of this Hypotbefis are found to infift on no other inftana 
ces in favour of it than the going off of Gunpowder ^ He was 
induced to fufpedJj they were not yet provided with better 
Examples, and therefore thinks, it will not be lookt upon as 
ufelefs, if, without offering to determine any thing about the 
Truth of the Opinion, be fupply the Embracers of it with fooie 
Exaniples of Explolions made by the bare mingling of Li- 
quors 3 as one made with the Spirits of Nitre and Wim ; ano- 
thetj with Oy/ odVitriol Siud Oj/l of turpentine j a third, by two 
Bodies z&:iu\ly Cold. 
The third Traft is a Polemical Difcourfe, anfwering fome 
Objc^iions pompoufly propofed by Dr. H, Mor^ in his Enchiri- 
dinm 
