ETag: "927b56d4cde7e4349f9defd6f68cc3b5" accept: */* authorization: LOW zEoAD8Wa9KCnDcJ7:REDACTED_BY_IA_S3 connection: close content-length: 604685952 host: s3.us.archive.org user-agent: curl/7.19.6 (i386-pc-win32) libcurl/7.19.6 zlib/1.2.3 x-archive-auto-make-bucket: 1 x-archive-meta-contributor: Cambridge University Library x-archive-meta-curation: [curator]biodiversitylibrary.org[/curator][date]20110224123112[/date][state]approved[/state] x-archive-meta-date: 1837 x-archive-meta-description: From the library of Charles Darwin x-archive-meta-mediatype: texts x-archive-meta-possible-copyright-status: In copyright x-archive-meta-publisher: London John Murray x-archive-meta-rights: Darwin Estate and Cambridge University Library x-archive-meta-sponsor: JISC x-archive-meta-title: Principles of geology x-archive-meta01-collection: biodiversity x-archive-meta01-creator: Lyell, Charles x-archive-meta02-collection: darwinslibrary x-upload-date: 2011-02-25T19:29:17.000Z