Please read BHL's Acknowledgment of Harmful Content
Close Dialog

Download citation

Close Dialog

Text Sources

Page text in BHL originates from one of the following sources:
Uncorrected OCR Machine-generated text. May include inconsistencies with the content of the original page.
Error-corrected OCR Machine-generated, machine-corrected text. Better quality than Uncorrected OCR, but may still include inconsistencies with the content of the original page.
Manual Transcription Human-created and reviewed text. For issues concerning manual transcription text, please contact the original holding institution.
  • Pages
  • Table of Contents
URL for Current Page
Scientific Names on this Page

Indexed by Global Names
Book Title
Principles of geology
Publication Details
London, John Murray, 1837
Holding Institution
Cambridge University Library
Copyright & Usage
Darwin Estate and Cambridge University Library

Copyright Status:
In copyright

Search Inside This Book:
Results For:
Click/Shift+Click pages to select for download
Cancel Generate Review No Pages Added

If you are generating a PDF of a journal article or book chapter, please feel free to enter the title and author information. The information you enter here will be stored in the downloaded file to assist you in managing your downloaded PDFs locally.

Thank you for your request. Please wait for an email containing a link to download the PDF.

For your reference, the confirmation number for this request is .

Join Our Mailing List

Sign up to receive the latest BHL news, content highlights, and promotions.


Help Support BHL

BHL relies on donations to provide free PDF downloads and other services. Help keep BHL free and open!


There was an issue with the request. Please try again and if the problem persists, please send us feedback.

For your reference, the confirmation number for this request is .

Example: Charles Darwin, Carl Linnaeus
Example: Birds, Classification, Mammals
Contributed by Cambridge University Library
Annotation Not Available

line 16 apparently unintentional mark

top-margin score [`bookmark']

lines 9—32 score
lines 9—32 annotation “    ”

line 14 underline "tropical"
lines 14—17 annotation C. of Good Hope

lines 17—24 double score
bottom-margin annotation Mem. tropical vegetation. South America approach. limits of perpetual congelation.

lines 14—23 score
top-margin annotation Tree ferns appear not to like the light, most gloomy spots

line 9 underline "Indian"
line 9 annotation
show subjects concepts

lines 14—22 multiple score
line 15 underline "valleys ... sea"

top-margin annotation [drawing]
show subjects concepts

top-margin annotation [drawing]
show subjects concepts

top-margin annotation Lockhead on Guyana— Demerara river. Edinbg Transact Vol IV

lines 15—21 score
figure 9 score

top-margin annotation in pale pencil How can lime be precipitated? more water.—
show subjects concepts

lines 1—17 score
lines 1—8 score

lines 16—17 annotation X
show subjects concepts