'% P'egetable Staticks. 
fue this method, of fearching into the nature 
of things, from the great fuccefs that has 
attended any attempts of this kind. 
Thus, in relation to thofe Planets which 
revolve about our Sun, the great Philofo- 
pher of our age has, by numbering and 
meafuring, difcovered the exa d proportions 
that are obferved in their periodical revo- 
lutions and diftances from their common 
centers of motion and gravity : And that 
God has not only comprehended the dufi 
of the earth in a meafure , and weighed the 
mountains in fcales, and the hills in a ba- 
lance, Ifai. xl. 12. but that he alfo holds the 
vaft revolving Globes, of this our folar Sy- 
ftem, mod exadly poifed on their common 
center of gravity. 
And if we refled upon the difcoveries 
that have been made in the animal oecono- 
my, we fhall find that the moft confider- 
able and rational accounts of it have been 
chiefly owing to the ftatical examination 
of their fluids, <viz,. by enquiring what quan- 
tity of fluids, and folids diffolved into fluids, 
the animal daily takes in for its fupport 
and nourifliment : And with what force 
and different rapidities thofe fluids are car- 
ried 
