...foot underground to augment the temperature of the surface by much more than about 1"; and hence I infer that the general climate cannot be sensibly...four million years, if it existed so soon after the epoch of consolidation, be influenced by the sensibly higher temperature met with by roots extending...

...increase of 2° F. per foot underground to augment sensibly the temperature of the surface; and hence I infer that the general climate cannot be sensibly...lava ; and everywhere vegetation would for the first 3,000,000 or 4,000,000 years, if it existed so soon after the epoch of consolidation, be influenced...

...William Thomson (Lord Kelvin), who arrived at the result that, starting with an incandescent globe, " the general climate cannot be sensibly affected by...the commencement of superficial solidification."* The same authority elsewhere says : "Ten, twenty, thirty times the present rate of augmentation of...

...Sir William Thompson (Lord Kelvin), inferred from his investigations upon the cooling of the earth, that the general climate cannot be sensibly affected...time more than 10,000 years after the commencement of the superficial -Solidification. Treatise on Natural Philosophy, Cambridge, 1883, Vol. I, pt. 2, p....

...Kelvin) inferred from his Investigations npon the cooling of the earth, that the general climate cunnot be sensibly affected by conducted heat at any time...10,000 years after the commencement of superficial soliditication. Treatise on Natural Philosophy, Cambridge, 18S8, vol. I, pt. 2, p. «8. Of the degree...

...William Thomson* that the general climate of our globe could not have been sensibly affected by internal heat at any time more than 10,000 years after the commencement of the solidification of the surface. And Mr. Hopkins has concludedt that the present effect of internal...