The Evolution Debate, 1813-1870

By Charles Darwin; Alfred Russel Wallace et al. | Go to book overview

CONTENTS.
I. -On the Law which has regulated the introduction of New Species.Pp. 1-25
Geographical distribution dependent on Geologic Changes
-A Law deduced from well-known Geographical and Geological facts
-The form of a true system of Classification determined by this Law
-Geographical Distribution of Organisms
-Geological Distribution of the forms of Life
-High Organization of very ancient Animals consistent with this Law
-Objections to Forbes' Theory of Polarity
-Rudimentary Organs
-Conclusion
II. -On the Tendency of Varieties to depart indefinitely from the Original Type.Pp. 26-44
Instability of Varieties supposed to prove the permanent distinctness of Species
-The Struggle for Existence
-The Law of Population of Species
-The Abundance or Rarity of a Species dependent upon its more or less perfect Adaptation to the Conditions of Existence
-Useful Variations will tend to Increase, useless or hurtful Variations to Diminish
-Superior Varieties will ultimately extirpate the Original Species
-The Partial Reversion of Domesticated Varieties explained
-Lamarck's Hypothesis very different from that now advanced
-Conclusion
III. -Mimicry, and other Protective Resemblances among Animals.Pp. 45-129
Test of true and false Theories
-Importance of the Principle of Utility
-Popular Theories of Colour in Animals
-Importance of Concealment as influencing Colour
-Special modifications of Colour
-Theory of Protective Colouring
-Objection that Colour as being dangerous should not exist in Nature
-Mimicry
-Mimicry among Lepidoptera
-Lepidoptera mimicking other Insects
-Mimicry among Beetles
-Beetles mimicking other Insects
-Insects mimicking Species of other Orders
-Cases of Mimicry among the Vertebrata
-Mimicry among Snake
-Mimicry among Birds
-Mimicry among Mammals

-xxvii-

Notes for this page

Add a new note
If you are trying to select text to create highlights or citations, remember that you must now click or tap on the first word, and then click or tap on the last word.
One moment ...
Project items

Items saved from this book

This book has been saved
Highlights (0)
Some of your highlights are legacy items.

Highlights saved before July 30, 2012 will not be displayed on their respective source pages.

You can easily re-create the highlights by opening the book page or article, selecting the text, and clicking “Highlight.”

Citations (0)
Some of your citations are legacy items.

Any citation created before July 30, 2012 will labeled as a “Cited page.” New citations will be saved as cited passages, pages or articles.

We also added the ability to view new citations from your projects or the book or article where you created them.

Notes (0)
Bookmarks (0)

You have no saved items from this book

Project items include:
  • Saved book/article
  • Highlights
  • Quotes/citations
  • Notes
  • Bookmarks
Notes
Cite this page

Cited page

Style
Citations are available only to our active members.
Sign up now to cite pages or passages in MLA, APA and Chicago citation styles.

(Einhorn, 1992, p. 25)

(Einhorn 25)

1

1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

Cited page

Bookmark this page
The Evolution Debate, 1813-1870
Settings

Settings

Typeface
Text size Smaller Larger
Search within

Search within this book

Look up

Look up a word

  • Dictionary
  • Thesaurus
Please submit a word or phrase above.
Print this page

Print this page

Why can't I print more than one page at a time?

Full screen
/ 413

matching results for page

Cited passage

Style
Citations are available only to our active members.
Sign up now to cite pages or passages in MLA, APA and Chicago citation styles.

"Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn, 1992, p. 25).

"Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn 25)

"Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences."1

1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

Cited passage

Welcome to the new Questia Reader

The Questia Reader has been updated to provide you with an even better online reading experience.  It is now 100% Responsive, which means you can read our books and articles on any sized device you wish.  All of your favorite tools like notes, highlights, and citations are still here, but the way you select text has been updated to be easier to use, especially on touchscreen devices.  Here's how:

1. Click or tap the first word you want to select.
2. Click or tap the last word you want to select.

OK, got it!

Thanks for trying Questia!

Please continue trying out our research tools, but please note, full functionality is available only to our active members.

Your work will be lost once you leave this Web page.

For full access in an ad-free environment, sign up now for a FREE, 1-day trial.

Already a member? Log in now.