Species and Varieties, Their Origin by Mutation (Registro nro. 49225)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02428cam a22003613u 4500 |
| 001 - CONTROL NUMBER | |
| control field | 7234 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | UtSlPG |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20260610133204.0 |
| 006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS | |
| fixed length control field | m |
| 007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION | |
| fixed length control field | cr n |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 260607r2005||||utu|||||o|||||||||||||| d |
| 040 ## - CATALOGING SOURCE | |
| Original cataloging agency | UtSlPG |
| 041 #7 - LANGUAGE CODE | |
| Language code of text/sound track or separate title | en |
| Source of code | iso639-1 |
| 050 #4 - LIBRARY OF CONGRESS CALL NUMBER | |
| Classification number | QH |
| -- | QK |
| 100 1# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Vries, Hugo de, |
| Dates associated with a name | 1848-1935 |
| 245 10 - TITLE STATEMENT | |
| Title | Species and Varieties, Their Origin by Mutation |
| 264 #1 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE | |
| Place of production, publication, distribution, manufacture | Salt Lake City, UT : |
| Name of producer, publisher, distributor, manufacturer | Project Gutenberg, |
| Date of production, publication, distribution, manufacture, or copyright notice | 2005 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 1 online resource : |
| Other physical details | multiple file formats |
| 336 ## - CONTENT TYPE | |
| Content type term | text |
| Content type code | txt |
| Source | rdacontent |
| 337 ## - MEDIA TYPE | |
| Media type term | computer |
| Media type code | c |
| Source | rdamedia |
| 338 ## - CARRIER TYPE | |
| Carrier type term | online resource |
| Carrier type code | cr |
| Source | rdacarrier |
| 500 ## - GENERAL NOTE | |
| General note | Release date is 2005-01-01 |
| 508 ## - CREATION/PRODUCTION CREDITS NOTE | |
| Creation/production credits note | Produced by Dave Gowan |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | "Species and Varieties, Their Origin by Mutation" by Hugo de Vries is a scientific publication written in the early 20th century. The book presents lectures focused on the theory of mutation as a key mechanism for the origin of species and varieties, challenging the slow change model proposed by Darwin and others. De Vries argues for sudden mutations that generate new species, suggesting that the processes underlying species formation can be experimentally investigated, particularly in agricultural and horticultural contexts. The opening of the work introduces the premise of mutation theory, highlighting how it diverges from traditional evolutionary thought. De Vries outlines his intention to demonstrate that new species and varieties arise suddenly, rather than through gradual changes, and he emphasizes the importance of empirical research and controlled experiments in this context. He also critiques the limitations of existing theories of descent, particularly Darwin's reliance on gradualism, by insisting that the experimental observation of mutative processes offers a more fruitful approach for understanding evolutionary biology. The author sets the stage for further explorations into specific examples, methodologies, and implications of his findings throughout the rest of the lectures. (This is an automatically generated summary.) |
| 534 ## - ORIGINAL VERSION NOTE | |
| Note about original | Original publication data not identified |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Evolution (Biology) |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Plants -- Variation |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Plant mutation |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Plant hybridization |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Plants -- Evolution |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | MacDougal, Daniel Trembly, |
| Dates associated with a name | 1865-1958 |
| 856 40 - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="https://www.gutenberg.org/ebooks/7234">https://www.gutenberg.org/ebooks/7234</a> |
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