Sketch of 1842 / compiled by Michael Sperberg-McQueen
| dc.contributor | Sperberg-McQueen, Michael Computer Centre 135 U Illinois at Chicago |
| dc.contributor.author | Darwin, Charles Robert, 1809-1882 |
| dc.date.accessioned | 2018-07-27 |
| dc.date.accessioned | 2022-08-19T14:22:34Z |
| dc.date.available | 2022-08-19T14:22:34Z |
| dc.date.created | 1842 |
| dc.date.issued | 1976-01-01 |
| dc.identifier | ota:0632 |
| dc.identifier.uri | http://hdl.handle.net/20.500.14106/0632 |
| dc.description.abstract | In English Title from source text Machine transcription originally produced by James Fleming and the Academic Data and Program Services of Princeton University Computing Center |
| dc.format.extent | Text data less than 512 KB Contains markup characters |
| dc.format.medium | Digital bitstream |
| dc.language | English |
| dc.language.iso | eng |
| dc.publisher | University of Oxford |
| dc.relation.ispartof | Oxford Text Archive Core Collection |
| dc.rights | Distributed by the University of Oxford under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| dc.rights.label | PUB |
| dc.subject.lcsh | Academic dissertations -- Great Britain -- 19th century |
| dc.subject.other | Academic dissertations |
| dc.title | Sketch of 1842 / compiled by Michael Sperberg-McQueen |
| dc.type | Text |
| has.files | yes |
| branding | Oxford Text Archive |
| branding | Oxford Text Archive |
| files.size | 399779 |
| files.count | 2 |
| otaterms.date.range | 1800-1899 |
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<P 41> PART 1 ON VARIATION UNDER DOMESTICATION, AND ON THE PRINCIPLES OF SELECTION An individual organism placed under new conditions sometimes varies in a small degree and in very trifling respects such as stature, fatness, sometimes colour, health, habits in animals and probably disposition. Also habits of life develop certain parts. Disuse atrophies. When the individual is multiplied for long periods by buds the variation is yet small, though greater and occasionally a single bud or individual departs widely from its type (example) and continues steadily to propagate, by buds, such new kind. When the organism is bred for several generations under new or varying conditions, the variation is greater in amount and endless in kind. The nature of the external conditions tends to effect some definite change in all or greater part of offspring - little food, small size - certain foods harmless, etc., organs affected and diseases - extent unknown. A certain degree of variation (Mulle . . .
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<P 91> PART 1 CHAPTER 1 ON THE VARIATION OF ORGANIC BEINGS UNDER DOMESTICATION: AND ON THE PRINCIPLES OF SELECTION The most favourable conditions for variation seem to be when organic beings are bred for many generations under domestication: one may infer this from the simple fact of the vast number of races and breeds of almost every plant and animal, which has long been domesticated. Under certain conditions organic beings even during their individual lives become slightly altered from their usual form, size, or other characters: and many of the peculiarities thus acquired are transmitted to their offspring. Thus in animals, the size and vigour of body, fatness, period of maturity, habits of body or consensual movements, habits of mind and temper, are modified or acquired during the life of the individual, and become inherited. There is reason to believe that when long exercise has given to certain muscles great development, or disuse has lessened them, that such development is . . .
