I 
( 5147 ) 
Tangentibm invemantnr , ofiendi. Eadem ratione referitMr qsiQ^m 
px>veit.xoihQ:^i,fit vocat]?^^^m^ &mHltaaUa% qua explicare vel- 
Jem, liber mihi fcribendus ejfet. Nam & in Phyfico^ mathematicij VJus 
qmque hujns ReguU epimone major efl : Lich enimfdfum [it Axioma^ 
Naturam agere per iiiieam breviffimara j verlfflmHm tamm efl.Viam 
fequi determinatam^ &^ ubi nullam invenity ageredo^l^)^. Be qua 
Mkf plura^ fi tantlTibi vifumfuerit : jam enim epifidh modum exeejfi 
ac vereor, ne, dum obfcurkatem vlt are fat ago, in proUxitatem inciderim. 
Addo tantum, me ReguU mea Demonftrationem * habere facilem^ & 
qudi foUs confiet Lemmatibus . quod mirum Tibi forta^e vldeHtur , Vale, 
Dabam LQoiii d. 17. ]m\xd,ry€lDIDCLXXIlL 
Non dubitaraus^ quin ragatu 
noftro Illuftris & Candidus Jric 
Author Demon ft ratio neisn hic in- 
digicaram Nobis etiam brevi fit 
c-ommuuicaturus.. 
■ ». 1 . 
' 7 ■ . ^ 
An Accompt of fome Books, 
I. A Blfcourfe concerning the Origin and Properties ofPVlNB^&c, Sy 
Bohun Fellow of N, ColL in Oxm. Printed at Oxford 
in 8^ 
T He Ihduftrious Author of this Difcoarfe, having confider'd 
with himfelf,: iip^w little Progrcfs had been made, as in ge- 
neral, in thQ Hifiory of Nature J fo, in particular^ concerning 
the Hiftory of «^/W/,till our Voyages to the Eafi and Weft- Indies^ 
and the great advancement of Navigation in this and the prece- 
dent Age, furnifli't us with fo many new Difcovcries andlm- 
proveraents in all Natural knowledge, efpecially in the Motions 
of the JVinds and Seas^ that we muft ackno wledge the Infufficicn-' 
cyof the Theories received from the Schools of the Antients 5 
having, I fay^. confidered this, and withall met with frequent 
opportunities of converfing with the raoft EKperienced of our, 
Sea- Captains, giving him good information of the Courfe of the 
Trade-mndsj x.\xt Indian Monsoons ^ the feverai forts oi Brifesin 
the African and American Climates, Hurricans, and other tcm«^ 
peftuous Winds Endeavoureth in this Difcourfe to give a fuller 
Accompt of this Subjeft than (ormer Writers have done 1 pro* 
ceeding therein, as he affureth the Reader, with great caution^ 
in feldom making ufe of any Account of Voyagers, but when fe« 
yeral Relatiofis did agree in the fame Particulars, or when he 
