Biology.- Lewis (Thomas) "The Spread of the Excitatory Process in the Vertebrate Heart", in Philosophical Transactions of the Royal Society of London, series B., vol.207, pp.221-310, 1916

£200 · At auction with Forum Auctions

Biology.- Lewis (Thomas) "The Spread of the Excitatory Process in the Vertebrate Heart", in Philosophical Transactions of the Royal Society of London, series B., vol.207, pp.221-310, plates, light splitting to upper joint, 1916 Darwin (Francis) "Observations on Stomata" in Philosophical Transactions of the Royal Society of London, series B. vol. 190, pp.531-621, 1898 Johnson (George Lindsay) "Contributions to the Comparative Anatomy of the Mammalian Eye, chiefly based on Ophthalmoscopic Examination", in Philosophical Transactions of the Royal Society of London, series B. vol.194, pp.1-82, 30 plates, most colour printed (strengthened at gutter, trimmed with loss to imprint), a few plates loose or becoming so, cracking to gutter, 1901, ex-library copy with ink-stamps and markings, library half cloth, spines light sunned, glue stain or paper label to spines, minor rubbing to extremities, 4to (3)

Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.