Fragments of
章节目录
共 37 段- It would be a very easy matter to adduce many further illust
- The old table-land of which the Highlands and Islands are th
- Everywhere, therefore, throughout the region of the Southern
- 1. Mountains of Accumulation.--Volcanoes may be taken as the
- A glance at any map of Scotland will show that many river-va
- After he has sated himself with the rare beauty of this land
- These consist chiefly of numerous varieties of a rock called
- After some time, the physical conditions in the regions unde
- The ridges and hollows are most conspicuous in the low-groun
- But to return to the Cheviots. When the final cold epoch had
- What effect the Roman occupation had on the dwellers among t
- But, to return to the physical features of the Long Island,
- But while the upper strata of the ice doubtless followed tha
- Of course one knows how it will all end. Ere long the unadul
- But rock-striæ and moraines are not the only proofs of forme
- Now, if such conditions existed in the valleys of middle Eur
- Among the many phenomena connected with the glacial deposits
- It is obvious that the direction of ice-flow in the basin of
- [Y] Mr. Mackintosh says nothing about the "carry" or directi
- I have now said enough, however, to show that the notion of
- All that we know of the löss and its fossils compels us to i
- Isochional lines are not isotherms. Their height and directi
- I have referred in some detail to these discoveries of inter
- We are not without direct evidence, however, as to the geogr
- [BY] It must not be inferred from the above remarks that I d
- Such, then, is the glacial succession which has been establi
- We may now glance at the glacial succession which has been e
- [DD] Julien: _Des Phènoménes glaciaires dans le Plateau cent
- By far the largest areas of land are composed of rocks belon
- Summing up what we know of the principal geographical change
- All the sedimentary strata with which we are acquainted have
- The movements of upheaval, which caused the Cretaceous seas
- I may pass rapidly over the Mesozoic systems, taking note, h
- Judging from what is known of the various floras and faunas
- The greater land-masses are all situated upon, but are nowhe
- Let us now look at the Arctic and Atlantic coast-lines of No
- Geographically the Asiatic coasts of the Pacific offer a str