148 Scientific Intelligence. 
concludes that the results are not favorable to Sir Wm. Thomson’s 
(or Hopkins’s) hypothesis, that while the earth was passing from 
a liquid to a solid state, cooled fragments of the earth’s crust 
would have descended deeply toward the earth’s interior, and 
built up a sort of irregular interior framework to support the at 
last successfully forming crust.* 
Mr. Hannay observes that slags and even molten granite show 
the same phenomenon—the solid floating on the liquid; that from 
experiments he has made at blast furnaces on the Clyde, he has 
invariably found this to be the result, though he has not yet had 
quantity being stated to be so great in the Bear Islands and the 
islands of New Siberia that “the ground is largely composed of the 
bones of Mammoths and the associated animals,” In the last paper 
plants associated with the bones in the beds containing them, 48 
a by investigators, that the flora of this same N orthern 
in a 
places shown species of Helix, Planorbis, Valvata, Limnea, Cy 
nodonta. of trunks and branches of large 
trees (little altered) are very extensive, especially in the no herp 
7 
regions where the bones most abound, far beyond the reach of 
Siberian climate in the era of the Mammoth was far more tempe? 
ate than now; that thé vegetation was much like that of Souther? 
Siberia, the larch, willow and Alnaster being the prevailing trees; 
that probably Lithuania “ where the Bison now survives, an here 
so many of the other contemporaries of the Mammoth still live, P?™® 
* Rep. Brit. Assoc. for 1876, Part II, p. 8. 
