H At 
quently fadiferent ie each other in regard to attra¢tion and 
r ? Or, if the effeé of the ele ctrical attraction is 
te colle’ the particles of water diffufed through the air, 
how comes it to pafs that it ever allows them to feparate 
in? = Thefe, and many other ae ot be, put, 
to which no anfwer could be given, or un- 
ory oues. ut, waving all thefe “bicdlions it if ioald: re 
appear fon the hypothefis, that hail is a natural and ordinary 
production, and might be expected as frequently as rain; 
rd the quantity of hail, at an average, is not t pechaps 
lan ;45 part of the quantity of rain, and m 
foe | be conii idered as a phenomenon out of the ordinary courfe 
of nature efe confiderations render the theory of Bec- 
caria, as well as all other eleétrical theories, very inadequate 
to explain the phenomena. 
Before we enter upon any other explanatory view, it may 
be f roper_ to ftate the peated phenomena more minutely, as 
refulting from obfervatio 
‘Mail is _moft fendtitly Sea upon thunder ; pot s 
is upon fuch occations that the hailitones are fom 
ey Large ane 
of his hills 
ions, rclates in which 
the ite eight from five ounces to half a pound, and 
c 
Were 13 or 14 inches in circumference. No doubt fuch 
accounts are ae wee exaggerated ; but it is probable 
that people are of a deceived by taking up maffes that have 
egated and coneiited by congelation after their 
#iowever this may be, rea do 
ho 
aie 
1 1a 4 
irregularities. Hai il-fhowers take place much 
3 of the year, but rather 4 re 
er 5 yet in that feafon the *y are more violent 
cné ; ton obferves (Meteorology, p- 46.), 
le winds Aiich bring hail-fhowers i in the north of 
a sare always S.W. W. or N.W.; and the barometer 
low. “He fiates the eile ‘7 five vears obferva- 
tions on oe 
in the different tl of the year, to 
be as fo n ifferen months 0 year, 
No. of Fi on which hail 
F ratty 
‘increaf 
ee 
clot 
wet 
pitated. frem,the atmofphere 9 in fummer, 
and _frow that in 
mee ee Sean ge a of the 
precipitation, or, moré 
awe that in ferene 
ee she ee re of the atmofphere gradually de- 
creales above the furface of the: 
urfe, when 
cigifatfon takes place in the higher regions 
in | as it defce fea in 
to be ra 
warm, vapo ury itratum: 
or in fituation to 
the cold ftratum, might 
ice ; ‘hfe ould then have to 
defowid through andthe infe: erior and warmer Reaeuity: of 
vapoury air, where the cold 
more and 
» as "bail i i a low barometer. —_ this 
indicates fqually or tempftows we ee it is highly 
probable that sae of arte re in the atmo- 
- {phere may occur Saou Particularh 
when the Ae: eli: is — a ben poi influx of the air, whie 
mutt. always be tending from the equator toward the 
in the r regions, may induce with it a higher tanita 
ture than the latitude and feafon can fupport ; and in fome 
when cafes a temperat rature, fuch as t Peeing that of the 
irate, of air beneath, _ See Wes ee ‘ita 
Ano nperature 
in the sop th i any iene —_ the heat of 
fummer, ‘a itrat next the earth's furface e fhould be 
vea 
Hd 
Fe 
