as of the Changes of the Air, that accompanied it. To inform you 
of which, I muft relate to you , that riding one Evening fomc- 
what late betwixt Oxford &: a Lodging^I have at a place, 4.miles 
diftant from it, the weather having been for a pretty while 
Frofty, 1 found die Wind fo very cold , that it reduced me to 
put on fome defenfives againft it, which I never fince, nor, if I 
forget not , all the foregoing part of the Winter was obliged 
to make ufe off. My unwillingnefs to ftay long in fo trouble- 
fome a Cold,which continued very piercing, till I had got half 
way home-ward ^ did put me upon galloping at no very lafy 
rate; and yet^ before I could get to my Lodgings, I found the 
Wind turned,andfelt the Rain falling ; which, €onfi4ering the 
fcortnefsof the time, and that this Accident was preceded by 
a fetled Frofl: , was furprifing tome ^ and induced me to men- 
tion it at my return , as one of the greate^ and ftiddaln^ft Al- 
terations of Air , Ih^dLCVtxohhi'^'A' And what changes I 
found, have been taken notice of in the C7r^W/5)/ of the At- 
mofphere at the fame time by that Accurate Obferver Dr^ 
^ jf^'^K/, who th^n fu/pedited nothing 
^ Ses Num 10. Phil. Tranf. ^j^^^ folio wM i as 1 fuppofe, he 
actions p. 166--171 : at the . .1 • ^ 1 1 v - r ^V 6 
time of the printing whereof, thU [his told you himfelf. Soon 
Relation of ^r. Boyle was not after , by my guels about an hour, 
jn come to hand. there wasra manifcft;' Trembling ia 
the Houfe where, i was ( which 
ftands high in comparifon of Oxford.') But it was not thtre fo 
great, but that I , who chanced to have my thoughts bufied e- 
2aough on other matters^than the weather,flioold iiotha'verakea 
notice of it as an Earth-qm^e , but have imputed it to fome o- 
iher caufe , if one, that you know ^ whofe hand is employed in 
this Paper, and begins to be a diligent obferver of Natural 
things, had not advertis'd me of ir^ as being taken notice of by 
him and the reft of the people of the Houfe. And foon after 
there hapned a brisk Storm : whereupon I fent to make inquiry 
at a place call'd Brill , which (tanding upon, a much higher 
ground) I fuppofed might be more obnoxious to the effects of 
Earth-quake (pi vf\\\c\\\\^A I had any fufpition of it, my ha- 
ving formerly been in one neer the Lfl^a/im^/jtt/, would have 
made me the moje obfervant: ) But the perfon I fent to, being 
difabled 
