g. This fuppofed , he t&ffly gives an account, why the Nile ^ year- 
ly overflows about the end of funs : For, as at that time there falls much 
rain in ’ty£thtopi^ it muft needs lie, that the Nile, whofe fource is in that 
Country, (hould then overflow, whoa thofe rains begin } and fubftde 5 when 
they ceafe, . 
There are befides, in this Book, two other T rafts, In the fir ft, M Toft 
endeavours to maintain the Dodrine, he had deliver*# in his Book 
DeLumine, and to (hew, that the Soul of Animals is nothing but Fiye , 
th&t there are no invifible Atoms •, nor f° much as any Pores, even in the 
Skin of man.Here he treats alfo of Refractions, and al ledges the Examples 
of feveral perfons, who have then feen the Sun by the means of Refradi- 
©n, when- really He was under the Horizon. 
In the fecond. He difcourfes- of feme points of the Mechanickj ; and 
relates^among other things, that the Arrows and battering Rams ( Ari- 
es ) of the Ancients did as much execution, as our Muskets and Canons • 
and-then, that .the Vehemence of thepercufHon depends as much upon. the 
Length of the percutient Body, as upon the velocity of the Motion. He 
adds, that the Length of a Canon ought not to exceed 1 3 foot, and that 
agreater length is not onely ufelefs,but hinders alfo the effed of the Gun, 
not becaufe the Bullet is thrown out of the Gun, before all the powder 
is fired (as fome believe •) but betaufe the Bullet is then beaten back in- 
to the Gun by the Air, re-entring into it with impeiuofity, when the 
flame is extind*. 
ITT. BE V1SC ERNE MB NT DV[ CORPS ET TIE V 
A' ME , par M. de Cardemoj-. 
This French Treatife (but very lately come to the Publijhers hands) 
examines the different Operations of the Soul and Body, and the Secret 
©f their Union , pretending to difeover to every one, what he is, 
and what is t ran fa ding within, him. It confifts of fix Dif- 
e.ourfeSi 
i. Tn the fir ft, the Author examines theNotionSj wehale in general of 
Bodies and Matter 5 of Quantity-, of Qualities • of Place •, of Reft • of 
Motion \ of Vacuity • of Forms : to (lie w what is to be underftood by 
rhefe Terms., which caufe all the perplexity that is in the ordinary 
Fhjfickj » He begins with taking notice, that hitherto Yhi'lofoyhirs have 
Lad no diftinft notions of Bodies and Matter * from the want whereof 
he. conceives, that aim oft all- the -Errors in Common phyfeoBgyhwe 
