Contributions to the Theory of Natural Selection: A Series of Essays |
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Page iii
The present volume consists of essays which I have contributed to various
periodicals , or read before scientific societies during the last fifteen years , with
others now printed for the first time . The two first of the series are printed without
...
The present volume consists of essays which I have contributed to various
periodicals , or read before scientific societies during the last fifteen years , with
others now printed for the first time . The two first of the series are printed without
...
Page x
237 Passage rewritten , on more or less variable characters in relation to
nidification . 248 On males choosing or rejecting females , and on the various
modes in which colour may be acquired by female birds . PAGE 249 On probable
ancestral ...
237 Passage rewritten , on more or less variable characters in relation to
nidification . 248 On males choosing or rejecting females , and on the various
modes in which colour may be acquired by female birds . PAGE 249 On probable
ancestral ...
Page xv
240 — Various modes of Protection of Animals — Females of some groups
require and obtain more Protection than the Males - - Conclusion Pp . 231 – 263
VIII . — Creation by Law . Laws from which the Origin of Species may be deduced
- Mr ...
240 — Various modes of Protection of Animals — Females of some groups
require and obtain more Protection than the Males - - Conclusion Pp . 231 – 263
VIII . — Creation by Law . Laws from which the Origin of Species may be deduced
- Mr ...
Page 33
... of food - supply , & c . , must diminish in numbers , and , in extreme cases ,
become altogether extinct . Between these extremes the species will present
various degrees of capacity for ensuring the means of preserving life ; and it is
thus we ...
... of food - supply , & c . , must diminish in numbers , and , in extreme cases ,
become altogether extinct . Between these extremes the species will present
various degrees of capacity for ensuring the means of preserving life ; and it is
thus we ...
Page 34
organization and habits of the various species of animals , and could we
measure the capacity of each for performing the different acts necessary to its
safety and existence under all the varying circumstances by which it is
surrounded , we ...
organization and habits of the various species of animals , and could we
measure the capacity of each for performing the different acts necessary to its
safety and existence under all the varying circumstances by which it is
surrounded , we ...
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abundant action adapted allied animals appear beautiful become believe birds body build butterflies causes Celebes changes character closely colour common comparatively complete concealment consider conspicuous continually direct distinct doubt Edition equally evidence exactly example existence explained facts female flight flowers frequently further genera genus give greater groups habits imitation important increase India individuals inhabiting insects interesting islands Java kind known less limited living male marked materials means mimicry modifications moths natural selection necessary nest never objects observations occur organic original Papilio perfect period phenomena possess present probably produced protection race reason region remarkable render resemble result savage seems seen sexes shown similar species structure supposed tail theory tints tion trees tropical true universe variation varied varieties various whole wings
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Bibliographic information
| Title | Contributions to the Theory of Natural Selection: A Series of Essays Contributions to the Theory of Natural Selection: A Series of Essays, Alfred Russel Wallace Marilee E. Thomas and Robert C. Thomas Science and Related Subjects Collection |
| Author | Alfred Russel Wallace |
| Edition | 2 |
| Publisher | Macmillan and Company, 1870 |
| Original from | Oxford University |
| Digitized | 8 mai 2006 |
| Length | 384 pages |
| Export Citation | BiBTeX EndNote RefMan |