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Jago, in the Cape de Verde archipelago, in which I geologised, convinced me of the infinite superiority of Lyell's views over those advocated in any other work known to me. The powerful effects of Lyell's works could formerly be plainly seen in the different progress of the science in France and England.
With respect to the "Cranial forms of the American aborigines," see Dr. Aitken Meigs in 'Proc. Acad. Nat. Sci. Philadelphia, May 1868. On the Australians, see Huxley, in Lyell's 'Antiquity of Man, 1863, p. 87. On the Sandwich Islanders, Prof.
As an index to the progress of opinion in the direction referred to, it will be interesting to compare Sir Charles Lyell's well-known chapters of twenty or thirty years ago, in which the permanence of species was ably maintained, with his treatment of the same subject in a work just issued in England, which, however, has not yet reached us.
They possess all other classes of life, because these have means of dispersion over wide spaces of sea, which terrestrial mammals and birds have not, as is fully explained in Sir Charles Lyell's "Principles of Geology," and Mr. Darwin's "Origin of Species."
Again, it is largely on the supposition of this antecedently unlikely uniformity, that Mr. Laing argues to the antiquity of life on earth; whereas Lyell's conclusion warrants nothing of the kind, being simply: that present causes, "given sufficient time," would produce the observed effects. Our tests of geologic time are denudation and deposition.
This question, however, is still mooted; and we have no objections that people should amuse themselves in thus tracing back their ancestry. To this class of inquirers Sir Charles Lyell's book will furnish food for reflection; and they will see that even so enthusiastic a writer as this new convert to the Darwinian doctrine can furnish but very slender support to it from his geologic lore.
Lyell's genial uniformity seemed genial still, for nothing had taken its place, though, in the interval, granite had grown young, nothing had been explained, and a bewildering system of huge overthrusts had upset geological mechanics. The textbooks refused even to discuss theories, frankly throwing up their hands and avowing that progress depended on studying each rock as a law to itself.
After a short stay in Cambridge, Darwin resided in London for the first five years which followed his return to England; and for three years, he held the post of Secretary to the Geological Society, though he shared to the full his friend Lyell's objection to entanglement in such engagements.
An accumulation of compressed steam takes place in the reservoir below, and this continues until the obstruction is ejected. This, I believe, is substantially Lyell's theory; though, having no books by me at present, I quote entirely from memory, and it is possible I may be mistaken in some of the details.
A respectable religious weekly paper in this country, in noticing Sir Charles Lyell's work, while carefully withholding from its readers the slightest notion of the array of evidence adduced in the book, is prompt to inform them that the learned author shows his want of respect for the Word of God. Another, in noticing the account of the last hours of Mr.
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