Geology and Natural History. 308 
“Tn justice to Vose, I ought to draw attention to the fact, that 
Mallet’s very excellent idea that heat is is oduced by pressure, is 
brought out distinctly in his [Vose’s] volume. He , ho owever, 
not extend the idea to vulcanism but — to meramnaclaioe 
ose’s expressions are ev Bia ee ai weeks vague; the clea rest 
of the transformation o work into caer; as producing meta- 
to do so or have misstated them I shall be happy to be peeeiens 
certainly they do not Properly describe mine. se can - be 
tang, Vine legs give pie int. 
Classification of the Pleistocene Strata cg Britain and 
ound Continent t by means of the Mammalia; by W. Boyp Daw- 
Esq., M.A., F.R.S., F.G.S.—The Pleistocene ‘deposit Ss may 
oy divided into three groups :—Ist, that in which the Pleistocene 
immigrants lived, with s - the southern and Pliocene animals 
in Britain , France e, , and "Germ any, and in which no arctic mam- 
the fauna is the most striking. In the Pleistocene river-deposits 
twenty-eight species have been found, the remains of man being 
associated with nthe lion, hippopotamus, mammoth, wolf, and rein- 
deer, n examining the fauna from the ossiferous caves, we fin 
me few animals, however, which would naturally haunt caves, 
are peculiar to them, as the cave-bear, be cat, leo aS c. 
historic and 
y td temperate forms, is par in great Britain by 
the older deposits in Kent’s Hole and Oreston. The discovery, 
°y the Rev 10. Fisher, of a flint-flake in the undisturbed Brick- 
* 
