3jg phenomena of the ocean 
testimonies of these very able Jr V j 
doubted whether the ice from which the ' 
,el‘* 
geqiifS 
tained, had been formed in the sea, and, cc t „ 
wliether sea water itself would, when frozen 
r sea water uscn wuu,,x, w' 
water. He thinks it probable that the ice had y 
formed at the mouths of large fresh water riv 
thence, by tides or torrents, been dnfted mt ^be 
that it had been broken by its own weight, n 
■ ■ ^ - 
high pjtif , 
prpj_ect a great_ way^into 
that It naa oeen uiorci* - -o-- - • 
mense cliffs of ice and frozen snow which, 
where there are few rivers, are found in hi^n^ 
Fotherbye, in the relation of his voyage 
S in 1614, considers snow to be the o^ 
the ice found at sea, he himself having obson^ 
an inch thick on the surfare i, ™d Captain to 
an incii uu^-jv wi* 
own observadons in the South Sea, was di^s 
tliat the vast floats of ice he met with m tl e fettlin’ juf 
y. t c. y^/vtirryalnfinn nf KlinW. It ^ 
fonVed from the congelation'of snow. It 
the snow which falls upon the surface ot ^ 
in a solid State, and, bulk for bulk, lightei tha 
inVwUd state, and, bulk for bulk, lighter 
will not readily combine witli it„ but rnay 
by a Ifj 
will not reaaiiy comome win, ,gd 
of cold in the atmosphere, be speed'’y^‘^“ 
. r ! ^avf>r nt this first 
01 CUiu ui tAAv j ^ V I ‘ n f ctan***' 
layer of ice. The upper layer ot this first 
beinff elevated above the surface of the sea, w 
P . . I. • _1. 4lr\A ofrrtncn 
tlie 
beinff eievaiea auovc lug jO 
the fresh water which falls from the atmospb r | 
. ... ,oin ni- Hew hv the successi'd,^, tl 
tne iresii waLci w ‘ 
of snow, sleet, rain, or dew, by the succn ^ 
of which the largest fields of ice may at 
irjTmatter oflittle consequence to a n®J‘§?JpV|J/ 
• . ti5m wilh frpfih water 
the ice which supplies hitii with fresh water 
Leaving, therefore, these hypotheses relafive 
tion of ice in the Frozen Seas, it should be " % 
ifj 
tion of“ice in the Frozen 
the question, whether congealed sea waw 
W' 
me quesuoii, wiwu.,-, ^ ,(,nly . 0, i 
thawed, yield fresh water, has been wtisfac^^^^g„tiD^:/ 
thawed, yield iresn wawi, y,. 
by experiments made with every suitable . d,e f. 
r\f coa Vtflvincf WcGn ttilccn nP \<v ! 
Uy cJwpviAt»AAv,AAAi» ' 1 rt on I*' 
quantity of sea water having been taken fj 
Foreland, was exposed to a freezing salt!,#*; 
I'oreianu, was c^puscw <.« .. o , sa'* ’, */ 
aftbrded an ice perfectly free from any jer, ^[!- A 
has likewise been found, that not only sea ' 
has likewise been found, that not omy f * ” b,nio/-;j,f^ 
containing double the proportion of salt ^ ,p / 
in our sea water, and more than i* coi » 
water of any climate, may be frozen by tno 
in. our atmosphere. 
