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Essay: Natural selection & natural theology
Summary
—by Asa Gray NATURAL SELECTION NOT INCONSISTENT WITH NATURAL THEOLOGY. Atlantic Monthly for July, August, and October, 1860, reprinted in 1861. I Novelties are enticing to most people; to us they are simply annoying. We cling to a long-accepted…
Matches: 22 hits
- … our actual world and to changes occurring since the latest tertiary period. We are well pleased at …
- … back through the diluvial epoch to the borders of the tertiary. Pictet accordingly admits that the …
- … course is a practicable road from this into and through the tertiary period, the intervening region …
- … between the two, probably no greater between the latest tertiary and the quaternary period than …
- … generally concurred in. It is largely admitted that numerous tertiary species have continued down …
- … percentage of the earlier and nearly half of the later tertiary mollusca, according to Des Hayes, …
- … cases, and those who say, with Pictet, that ‘the later tertiary deposits contain in general the …
- … demonstrably the natural one as respects all those tertiary species which experienced naturalists …
- … of the other. No doubt there are differences between the tertiary and the present individuals, …
- … That considerable differences are often discernible between tertiary individuals and their supposed …
- … perfect that no more differences were observable between the tertiary and the recent shells than …
- … As the facts stand, it appears that, while some tertiary forms are essentially undistinguishable …
- … comes in to help on this inference. The species of the later tertiary period for the most part not …
- … The same may be said, though less specially, of the earlier tertiary and of the later secondary; but …
- … or in the most widely-separated parts of the world, in the tertiary epoch, on the contrary, along …
- … of the animal and vegetable kingdoms were represented in the tertiary faunas and floras and in …
- … for the most part to have acquired, before the close of the tertiary period, the characters which …
- … a comparatively recent time. Let it be noted also that those tertiary species which have continued …
- … must have been small. This general replacement of the tertiary species of a country by others …
- … and some, doubtless, became extinct. If all since the tertiary belongs to our present epoch, this is …
- … the supposition that his wolfish progenitor came from a post-tertiary wolf, perhaps less unlike an …
- … of the numerous existing races of dogs, and that this post-tertiary came from an equally or more …
Lima, Peru
Summary
Looking forward to the Galapagos
Matches: 1 hits
- … on the geology of the Andes, and awaiting volcanoes and Tertiary strata on the Galapagos Islands. …
Review: The Origin of Species
Summary
- by Asa Gray THE ORIGIN OF SPECIES BY MEANS OF NATURAL SELECTION (American Journal of Science and Arts, March, 1860) This book is already exciting much attention. Two American editions are announced, through which it will become familiar to many…
Matches: 5 hits
- … same gradation may be traced in later periods, say in the Tertiary, and between that period and the …
- … Des Hayes and Lyell have concluded that many of the middle Tertiary and a large proportion of the …
- … is traceable not merely in each great division of the Tertiary, but in particular deposits or …
- … may be regarded as such, the same may be extended to the Tertiary period. In both cases, what some …
- … of gradation like that which connects the present with the Tertiary mollusca. Wide, very wide is the …
Bartholomew James Sulivan
Summary
On Christmas Day 1866, Bartholomew Sulivan sat down to write a typically long and chatty letter to his old friend, Charles Darwin, commiserating on shared ill-health, glorying in the achievements of their children, offering to collect plant specimens, and…
Matches: 1 hits
- … On Christmas Day 1866, Bartholomew Sulivan sat down to write a typically long and chatty letter to …
New material added to the American edition of Origin
Summary
A ‘revised and augmented’ American edition of Origin came on the market in July 1860, and was the only authorised edition available in the US until 1873. It incorporated many of the changes Darwin made to the second English edition, but still contained…
Matches: 1 hits
- … But geology shows us, at least within the whole immense Tertiary period, that the number of species …
Darwin’s reading notebooks
Summary
In April 1838, Darwin began recording the titles of books he had read and the books he wished to read in Notebook C (Notebooks, pp. 319–28). In 1839, these lists were copied and continued in separate notebooks. The first of these reading notebooks (DAR 119…
Matches: 3 hits
Darwin in letters, 1868: Studying sex
Summary
The quantity of Darwin’s correspondence increased dramatically in 1868 due largely to his ever-widening research on human evolution and sexual selection.Darwin’s theory of sexual selection as applied to human descent led him to investigate aspects of the…
Matches: 1 hits
- … reminds me of our “ quadrumane ” ancestors of the tertiary period with the atavistic movements …
