Author: Huxley, T. H.
Title: Observations upon the anatomy and physiology of Salpa and Pyrosoma. [AND] Remarks upon Appendicularia and Doliolum, two genera of the Tunicata.
Description: London, The Royal Society, 1851. Two papers in one. 4to (28.3 x 22.0 cm). 38 pp.; five lithographed plates. Contemporary pebbled half calf over marbled boards. Spine with gilt title. Brown endpapers. = Two seldom-seen papers on pelagic tunicates, both written by the famous British naturalist, comparative anatomist and Darwinist Thomas Henry Huxley (1825-1895), discussing material partly obtained during his voyages, as a ship's assistant surgeon, on board of H.M.S. Rattlesnake. Published back-to-back, with a blank page in between, but sharing the plate explanations. Small stamp removed from top margin of the first leaf, otherwise very good, clean.

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