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Anxiety about Collections. Purchase of Collections. Second Winter in Charleston. Illness. Letter to James D. Dana concerning Geographical Distribution and Geological Succession of Animals. Resignation of Charleston Professorship. Propositions from Zurich. Letter to Oswald Heer. Decision to remain in Cambridge.
What was my joy and surprise to find that the simplest enumeration of the fossil fishes according to their geological succession was also a complete statement of the natural relations of the families among themselves; that one might therefore read the genetic development of the whole class in the history of creation, the representation of the genera and species in the several families being therein determined; in one word, that the genetic succession of the fishes corresponds perfectly with their zoological classification, and with just that classification proposed by me.
But the work that he did in his student days that paid him best, because it brought him more than money, was that which he did partly for, and partly at the recommendation of his "major" professor, Dr. John Casper Branner, a great geologist and remarkable developer of geological students. Dr.
Hayden's survey was mainly in the interests of geology. Practically, however, the two covered the same field in all points. The military survey extended its scope by including everything necessary for a complete geographical and geological atlas. The geological survey was necessarily a complete topographical and geological survey from the beginning.
The war was a continental upheaval, like the Appalachian uplift in our geological history, producing sharp and profound readjustments. Despite the fact that in 1864 Lincoln had been elected on a Union ticket supported by War Democrats, the Republicans claimed the triumphs of the war as their own.
There are so-called representative types all over the globe, united to each other by structural relations and separated by specific differences of the same kind as those that unite and separate animals of different geological periods.
A great many different species are known and have acquired charming names in very doubtful Attic at the hands of profoundly learned geological investigators, but almost all are equally good representatives of the mythical thunderbolt. The finest specimens are long, thick, cylindrical, and gradually tapering, with a hole at one end as if on purpose to receive the shaft.
Everywhere and always the geological works of nature, never the work of man. If, then, there exist representatives of the animal kingdom on the moon, they must have fled to those unfathomable cavities which the eye cannot reach; which I cannot admit, for they must have left traces of their passage on those plains which the atmosphere must cover, however slightly raised it may be.
The story of his life at Down is almost wholly coincident with the history of the development of his views on evolution, and the growth and appearance of the successive volumes which he gave to the world. For the first four years his geological tastes continued in the ascendant.
Before the wave breaks, the only geological task which it accomplishes is effected by forcing materials up the slope, in which movement they are slightly ground over each other until they come within the battering zone of the shore, where they may be further divided by the action of the mill which is there in operation.
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