C 2287 ) 
Ofthe^^^^^wichthereafon and meafiire of its force. Of 
RepercuJftQn,I{e(ilition^ ot Reflexion of Bodies^ which he derives 
from the Spring or Elaflicl^ Virtue in them ; Of Hydrojlattckf^ 
with the Reafon and raeafure of finking or fwimming of Heavy 
bodies m a Fluid ; Of the n^eight and spring of the Air^ and the 
Comterpoife o( the Atmofphere from whence he derives thofc " 
effecSts, which were wont to be afcribed to the i^e-^^^z/^rz^a^'^ or 
Natures abhorring a vacuity^ with the Explication and Reafoa 
of the feveral Phasnomena of the Torricellian Experiment, aod 
others of like nature, and of the very grest contraction and 
expanfionof the Air: Of raifing a great weight with a mms 
breatb,h\omvi^ a bladder And the Solution of divei's other 4 
chanical queftions. 
II, Danielis Ludovici^MediciDucal^ Saxo^Cothani^ de FHJR^ 
hlAClA Adoderno Seculo applicandafiiJfertaUones ULGoihx 
iSjiJn i2o. 
THe Learned and Experienced Author of this Book, ha* 
ving, it {eems,really found, that neceffity fuggcfts the 
confiderableft and the moft necefrary,as well as the eafieft and 
cheapeft Remedies for Man's healthy and having thereupon 
very fuccefsfully follow'd in his pradlife a method and rules 
futable thereuntOj to the frequent relief and cure of his Pati- 
ents, and to his own honors refolved to publifli to the world 
the fubftance of his thoughts concerning the Adminiftration 
of Phyfickj together with the Sam of his Experience and Pra- 
dtife therein ; notwithftanding v/hat the Learned and Indu^ 
ftrious ^n?5/f^r or others had already faid upon this Subjed^ 
he being perfuaded, that Difeafes may as well ^ if not better^ 
be cured by a few^plain and eafily parable MedicinSj than o- 
therwife ; provided they be by an honeftaod difcreet Phyfi- 
tian ufed with Judgmentj according to the nature,temper and 
condition of the Patient. 
In reference hereunto^ he declares himfelf in Three Difler- 
tations ; In the Firfl, he fhews, How the Materia Medica may 
throughout Nature's three kingdoms (as they fpeak) be con- 
tradedj from that vaft and luxuriant heap, mer with in Dif- 
Ttt penfatorics 
