The red notebook of Charles Darwin / edited, with an introduction and notes by Sandra Herbert.
- Charles Darwin
- Date:
- 1980
Licence: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
Credit: The red notebook of Charles Darwin / edited, with an introduction and notes by Sandra Herbert. Source: Wellcome Collection.
68/184 (page 54)
![54 SANDRA HERBERT 84 Darby mentions beds of marine shells on banks of Red River Louisiana. V. Lyell. Vol L P. 19 State at St Helena, pebbles entirely coated with Tosca, which implies motion in the /^loosej bed of pebbles. (On a sea beach under a cascade, one can understand pebbles thus coated. — The motion is most wonderful, from chemical attraction, as a blade of grass penetrating by action of Organic power a lump of hard clay — | 85 In the History of S America we cannot dive into the causes of the losses of the /^species ofj Mastodons, which ranged from Equatorial plains to S. Patagonia. To the Megatherium. — To the Horse. == One might fancy that it was so arranged from the forsight of the works of man Feeling surprise at Mastodon inhabiting plains of Patagonia is removed by reflecting on the nature of the country in which the Rhinoceros lives in S. Africa: the same caution is applicable to the Siberia case | 86 We must not think alluvial plains falwaysj most favourable; In what part of the globe are there such vast numbers of wild animals, both species & individuals as in the half desert country of S. Africa. It would be well to quote Burchell. V. where the Rhinoceros was killed. — 105 In Patagonia, are all beds same age.^ is white substance triturated Porphyritic rocks (mem white tufas with purple Clay- stones of P. Desire). = Where talking of such substances being worn into channels. | 87e mention submarine channels, such as that in front of St®, of Magellan In Chiloe curvilinear strata subsidence. — The sudden in¬ creased dip is not parallel case to Isle of White, but rather to one out of a series of faults. [[Fig. 4]] In Cordili : should basal lavas be called Volcanic or Plutonic The cellular state of all the Porphyry specimens, must be well examined At M. Video ffacts of Passages marked by do. J discuss quartz veins, there contemp — yet similar ones in Clay. Slates contempo¬ raneous others subsequent, as in dikes. |](https://iiif.wellcomecollection.org/image/b18032783_0069.JP2/full/800%2C/0/default.jpg)