302 PEOFESSOE TYJTOALL ON THE VEKED STErCIOffi OF GLACIEES, 
ice-falls where it is bent so as to throw its surface irrto a state of lougitudinal comm- 
on Alordi^ to the above experiments, the glacier whose temperature ts 32 
Sion. Accoiuiug . ^ in axis A liquid connexion is thub 
“tl“e!rf which tL water prorutd 
bubble ice and partially refrozen when the pressure is relaxed. It is, 1 think, pertect y 
mthfest tU su'h a prless, each step of which may be illustrated by expenment, must 
fhetp—riToLe^t™::— P^ier on the Physical Propern« 
o/lce we-made with reference to the glaciers, 
illustrates the present of it into 
:ht::a“ir^^^ l: ;iX . the base’of an ice-faU. Pig, 21 is precisely the 
Pig. 22. 
Pig. 21. 
r irsfaTt! sht h! fea7ng'’:p"; te'^rentTo™ 
of vertical, so as to snow \ 9 ^ which bv compression between the 
original shape of the piece of ice is given in fig. 2. which by con p 
? P condition of fig. 21. ihe veiaca 
pressure comes into play is sufficiently obvio „f ice between each two 
In the experiments with the hydraulic press, the poi ion rf 
r r:S:t7C: ; - obsemed «it hubbies had been 
s,uee.ed to this shape ; a notion, which I think will no longer be entertained. 
. The mechanical actions which accompany the development of ordinary slaty cleavage, must. ■ 
also manifest themselves to some extent m the glacier. 
