Studies in the Theory of Descent (Volumes 1 and 2) (Registro nro. 88688)
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| fixed length control field | 02564cam a22004093u 4500 |
| 001 - CONTROL NUMBER | |
| control field | 47849 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | UtSlPG |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20260610134111.0 |
| 006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS | |
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| 007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION | |
| fixed length control field | cr n |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 260607r2015||||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 |
| -- | QL |
| 100 1# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Weismann, August, |
| Dates associated with a name | 1834-1914 |
| 240 10 - UNIFORM TITLE | |
| Uniform title | Studien zur Descendenz-Theorie. English |
| 245 10 - TITLE STATEMENT | |
| Title | Studies in the Theory of Descent (Volumes 1 and 2) |
| 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 | 2015 |
| 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 2015-01-02 |
| 508 ## - CREATION/PRODUCTION CREDITS NOTE | |
| Creation/production credits note | Produced by Marilynda Fraser-Cunliffe, Charlie Howard, and<br/>the Online Distributed Proofreading Team at<br/>http://www.pgdp.net (This file was produced from images<br/>generously made available by The Internet Archive) |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | "Studies in the Theory of Descent" by August Weismann is a scientific publication written in the late 19th century. This work delves into the principles of evolution, focusing significantly on the mechanisms of inheritance and variability in species, particularly in insects. It aims to investigate the interactions between environmental factors and biological development, thereby exploring the complexities and implications of evolutionary theory. At the start of this work, Weismann introduces the concept of seasonal dimorphism in butterflies, where different forms of a species appear at different times of the year, as exemplified by the species "Araschnia Levana". He describes experiments that reveal how environmental influences, such as temperature, can affect the development and characteristics of butterflies, offering insights into the origin of their markings. Weismann challenges existing views on adaptation and establishes a basis for further investigation into how species may evolve and adapt over time, highlighting the significance of both inherited traits and external conditions in shaping biological forms. (This is an automatically generated summary.) |
| 534 ## - ORIGINAL VERSION NOTE | |
| Note about original | Original publication data not identified |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Insects |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Heredity |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Zoology |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Butterflies |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Lepidoptera |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Insects -- Evolution |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Mechanism (Philosophy) |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Darwin, Charles, |
| Dates associated with a name | 1809-1882 |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Meldola, Raphael, |
| Dates associated with a name | 1849-1915 |
| 856 40 - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="https://www.gutenberg.org/ebooks/47849">https://www.gutenberg.org/ebooks/47849</a> |
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