( 5i;o ; 
diveivs remarquable GhfexvacioMS fcoocerniQg them^ and 
giviog a CaLKioD withall, tp. be ufed Judging of che Qua- 
licieaof; Winds. Here alfocQoie iQ.his rema/ques copcero- 
ing Het and fo/d Wind?^ ai^d the cxaroination of their 
Caufes ^ concluding this Head not only with obferving 
(ome Vnujual Qrialities of Wind,an c^-the different odd Im- 
preffions they make upon other Bodies 3 but alfp 
delivering fome propofals, for a more accurate Difcove* 
ryof the Nature and Qualities of Winds, in relation to 
Navigation, Architedurejand feveral Txades aod Mecha- 
nical Arcs. V . .ri.'; ^-^ . i 
12» He inquires into the Vroffiofticl{t of Winds^from th^; 
different Appcaiances of the CeleftiaJ Bodies^ from the 
Roaring of the Sea, the Refoundjng of Echo's, the pecu- 
liar Adtions or Paflionsof fome Living creatures, &c. 
13. H« fubjoins au/Hiftorical account conceiioing WhirU 
j^/W/. in general^ mi t<frnadu^ Hur\r>icansy2Ln^ Qi\\^iTtmr 
peftuoi^f Winds^i concermfeg which he deliver*, feveral 
uncommon and very reqiarkable Relations. 
As tothe whoIematEer> He is well aware, thai it Will 
be h^rd to lay dowo any perfe<Sl Theory of Winds , in res 
gard that the great Ineqnalitiet in the SiiperficiQS of the 
Earth ; ths Ibveral Obftacles and J^^ercujfionffkomrnoxin^ 
taiDS 5 the different Situations . of the places and Mediums 
in which they blow 3 the Diflanee of thofe Countries from 
the Poles of the World 5 their Re/peBs to the Goqrfe of the 
Sun, whethe^.they GompJy wiihj or refift, the Natural 
.Motion oi'tht^Ait bom Eaft to Weftj &c 5. have isany ii|» 
tricateand nicefpeculations, not eafieto beftated. 
llv Deux Machines propres h faire les Quadraxis, avec tress 
gr^ndef^cilite^^ /^^r Ignace Ga^Qfi. PardJe^^S. J. A 
Paris i6y^, in 12 "^. 
■ '-iW , -i^ram-k.- • 
THe Learned AuthorjProfeffor of theM^thematiquer 
intheParifian College of ClermQnt^ hsising found^ 
that; the djfficuky> met with in tl^e Fra^ia^ of Pj alling^zni 
in 
