300 Miscellaneous Intelligence. 
5. On the Stratification of Vesicular Ice by Pressure; by Prof 
Wituram Tuomsoy, F.R.S., in a letter to Prof. Sroxss, Sec. RS, (Proc. 
the condensation will afford to the ice between them a relief wer 
while 
be some- 
what diminished from what it would be were their cavities filled u with 
tres, perpendicular to the line of pressure. This will 
increase of pressure on the whole in the solid all round 
and nearly in the plane perpendicular to the pressure, al ough icles will 
else so much as in the part between them. Hence these two pene 
gradually extend towards one another by the melting of the m as the 
ice, and each will become flattened in towards the plane throug” of 
; ; . by the freeziDg 
borhood, as to make them, by melting and freezing, youndstf 
each obliquely towards the other and from the parts of 1 to the 
most remote from a plane midway between them, perpendicular 
direction of pressure. : : 
