ETag: "3d369af24e3741226448606273b0d348" accept: */* authorization: LOW zEoAD8Wa9KCnDcJ7:REDACTED_BY_IA_S3 connection: close content-length: 1783633534 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]20110224030337[/date][state]approved[/state] x-archive-meta-date: 1838-1842 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 Taylor & Walton x-archive-meta-rights: Darwin Estate and Cambridge University Library x-archive-meta-sponsor: JISC x-archive-meta-title: Elements of physiology x-archive-meta01-collection: biodiversity x-archive-meta01-creator: M?ller, Johannes x-archive-meta02-collection: darwinslibrary x-upload-date: 2011-02-26T00:24:34.000Z