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

annotation Mississippi, New Madrid, & Caraccas } 46

annotation in pale pencil Albite Volcanic Rock V. Buch p. 175

annotation Necker on curves Mag. & Mountain chains p. 326
show subjects concepts

annotation horizontally crossed Exert. m
show subjects concepts

annotation (Exemplify the force of pebbles knocking together)
show subjects subjects
show subjects concepts

annotation Beach. is only cause of sedimnt on whole of Peru, — as far as granite so far same sediment
show subjects concepts

annotation [drawing]
show subjects subjects
show subjects concepts

annotation p. 336 trees touching ground
show subjects subjects
show subjects concepts

annotation p. 218 Dolomieu Calabria

annotation The great difficult appears, that though some animals long domesticated change not indefinite (Do we know this), but most domesticated animals are hereditary monsters. Yet we should have expected some race, which would have showed a slight repugnance to breed with our animals.— /

annotation X 2d. The changes apparently being rapidly superinduced. «in domesticated animals» NB. The vry character of species is ‹very› character being hereditary, & as we know we can give forms not hereditary, some that are; we might expect gradation

annotation [continues on page 442] X Argument 2d.    Excellent argument sheep do not get big tails in Africa or cattle long horn or cow bump on back, or dogs like fox in Australia or — or — or— — yet whole breed being so. it must be effect of country yet exciting, or else Nature would have altered back — XXX

annotation [continues on end-note] XXX Now if in course of ages (having shown time is requisite) offspring differed as much from Indian Cattle & long horned «as Buffalo. near.»t01 & as these do now from common stock , then would they perish.—
     (These insensible changes may explain extinction thy might act on some important organ & become heredtry like diseases)
t01 - `as Buffalo. near.' in brown ink

annotation p. 215
show subjects concepts

annotation cancelledin pale pencil 187 Ask Captain about earth parting from solid Rock / [drawing]t01
t01 - `[drawing]' in pale pencil
show subjects subjects

annotation ----------------

annotation (Beechey is he authority of Concepcion? — No, Lesson? — no)
show subjects concepts

annotation (Stokes height of any land near Concepcion ?)

annotation (Sulphur passing from solfatara like veins, analogy)
show subjects subjects
show subjects concepts

annotation (Abich bulletin of Geological Society «of France» Leucite infusible in specks. Galapagos VII — lines 1835—1836)
show subjects concepts

annotation Von Buch. Canary Isld.
show subjects concepts

annotation ----------------

annotation [left and right sides, drawings]
show subjects concepts

annotation 12
show subjects concepts

annotation The two kinds of Elevation going on together
show subjects concepts

annotation in dark pencil ----------------

annotation Error in Constant Prevost. p. 154
show subjects concepts

annotation in dark pencil p [?]304 [illegible phrase]
show subjects concepts

annotation p 323
show subjects concepts