(73«) 
,are agitated thereby, is always accompanied by fome thoughts or 
other 3 and that in fpteth there are always two things infepara- 
bly joyaedj viz. the Formation of the voice, which cannot pro- 
ceed but from the Body, and the fignificationor/^joyn'dwith 
K* w hich cannot come but from the foul. 
II, D E INFINITIS SPIRALIBUS I N V E R- 
SIS, INFINITISQilE HYPER BOLIS 51 w&k# 
Geometricis, Auth, F. Stephano de Angelis, Veneto. Patavij, 
•v/b,ji§ '4°* • :- j -ha-\i\: i :hm-mm msvU: . ... " A ::.rj 
THis Author treateth here concerning the Figures menti- 
oiVdin the Title (meafuring their Areas) very accurate- 
ly and geometrically,*, as alfo concerning feveral other things, 
-conducing to the perfe&ion of Geometry. He mentions one of 
thefe Spirals to be the Line delcribed by a Heavy body, falling to- 
wards the Center of the earth, fuppofing the Earths Motion ; 
where alfo he touches the cont rover fie betwixt himfelf and Ric 
iiolit, of which we difcourfed more at large in the next forego- 
ing Number. 
I Hi Mkhaelis Angeli Ricci Exercitatio Georaetrica % in4°- print- 
ed at Rome. 
^TpHis Book is re-printed in London, for Mos. Pitts in Little- 
JL Brittain and annex'd to Logarithmotechnia N. Mercatoris, 
.printed for the fame ; of which latter we intend to entertain the 
Reader in our next, (God permitting.) It was thought fit to be fo 
reprinted, partly > byreafonot its fcarfenefs, there being but a few 
printed for the Author in Italy, but chiefly, by reafon of the 
excellency of the Argument, which is, de Maxims & Minimis, 
or thz Doclrintoi Limits: Wherein (according to the account of 
ihe Intelligent Mr. C J the Author (hews a deep Judgement 
in difcovering a Medium to reduce the lately found out Analy- 
tical Doftrine de Maximis & Minimis to pureGeometry. 
The Tract it felfis very fmall, being but little more than tm 
(heeis of Paper \ wherein is demonftrated the Dodrine of Carava- 
gto de Afpltcatiomfats, wlio affiims, that he 5 who is ignorant 
*herein ; may mifpend his time about Equations, in fearching 
for 
