ETag: "6ae427ad528d97fa1c02bdf61e6b3d09" accept: */* authorization: LOW zEoAD8Wa9KCnDcJ7:REDACTED_BY_IA_S3 connection: close content-length: 73530 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]20110222044356[/date][state]approved[/state] x-archive-meta-date: 1856 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 Van Voorst x-archive-meta-rights: Darwin Estate and Cambridge University Library x-archive-meta-sponsor: JISC x-archive-meta-title: On the variation of species x-archive-meta01-collection: biodiversity x-archive-meta01-creator: Wollaston, Thomas Vernon x-archive-meta02-collection: darwinslibrary x-upload-date: 2011-02-23T19:03:35.000Z