prepare them like The], and carrying it to Cbina t is a rare drogue, 
get for one pound of it, fourtimes as much T^(?. 
A D IS € 0 V RS E ABOVTTHE C AVS-ES OF THE 
INVNDATION OF THE NlVE,m fW^.The Author of 
this Book is Mon/ieur de/a 'thambn, who being perfwaded from 
feverai .Gircuniftance?, that accompany the Overflowing of 
this River, that it cannot proceed from Rain, ventures loaf- 
fign for a Caufe of it y and of all the other effedts that happen 
at the time of its /welling, the Niter , wherewith that water a- 
bounds. 
The difcourfe having fix parts, the Author endeavours to 
file w in the 
Fir/?, that the Waters of the Nile are Niti'ous, explicating the 
Nature of Salt, and Saltpeter, and imputing the fertility of the 
Earth, as well as the fecundity of Animals, to Salt. Where he 
fliews, that all thing?, that Serve to improve Land, are full of 
Salt; and that tisobfervki, that grain Oreep/d in Wrine, before 
Sowing, rifes Sooner, and becomes fuller and ftrOnger, than 
elfe. Adding, that that, which renders the Seed of Animals 
prolifick, is, that one of the Sper?natic\ veins hath its Origins 
from the Emulgent , through which the Nitrous and Saline Sero- 
fi tie?,. that di /charge the’mfel ves into the Kidneys and Bladder, 
do pa fs. 
In the Second^ he examins, what if Fermentation, and how 
dis perform'd 5 affirming, that, what thrnfts forth plants in the 
Spring, is,that the Earth being fermented by the Niter, it har- 
bours, the Nitrous Spirits infinuate themfelves into their Pores* 
Ili the Third he treats of all the Cifcumftanqesv obfervable iix 
the Inundation of the Nile. Tis affirm’d, that .3 or 4 days; 
before that River begins to overflow, all its wafer is troubled • 
that then there fall's a certain Dew, which hath a fermenting; 
vertue 3 and leavens a Pafte expofed to the Mr : that the Mud, 
which has been drawn out of the water, gro ws heavier* when 
the overflowing begins, then it was before, and that by thein- 
creafe of the weight or that Mud, they J udge of the greacnefs; 
of toe approachinginundation, The Author pretends , that: 
the; 
