a 63 Dr. Falconer's Remarks on the 
IV. The ancients perfe&ly knew the reafon, 
why the air near the earth was more heated, than 
in higher fituations. Ariftotle explains this, from 
the refle&ion of the folar * rays from the furface 
of the ground which caufe is alfo aligned by 
Seneca, j* This is, I believe, generally underftood 
to be a difcovery of Sir Ifaac Newton. 
V. Ariftotle J afllgns a caufe for the fudden 
concretion of Hail Stones, to which he very pro¬ 
perly attributes their largenefs of fize, which I 
have never before met with, and yet is, perhaps, 
the true one. He obferves, “ that hail generally 
falls moft plentifully in hot weather and it is 
to this previous heat, which muft have afFefled 
the vapour, and the water contained in it, that he 
afcribes the fudden congelation of the hail, in 
the fame manner, as water, previoufly heated, is 
found to freeze more eafily and fuddenly. 
VI. The fact || likewife, of the reparation of air 
from 
- —— si? roy clvu to Troy ptstAAoy ovrx 4/fp^po v Six to Pojyi tv 
raj onto t»j; y>); tvv XKriyuv ctva,xha.£u<;. 
Meteor, Lib. I. C. 12. 
-j- -quod radii Solis a terra refiliunt et in fe recurrunt, 
Horum duplicatio proxima quaque a terris calefacit. Qua 
ideo plus habent teporis, quia folem bis fentiunt. 
Seneca Nat. Quail. L. IV. Sett. S» 
J Meteorolog. De Grandine. 
|| to fxtv tzvrys 'Kxft.'S^ov xoa xovtpov xxi y\vxv exx^yerai xxi a<Pxv 
imereti, To (lo^uhxTXTov xxi oTa§y.u<ticjTaTw Xeittetosi. 
Hipp, de Aere Aquis et locis. §. XX. 
