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To Armand de Quatrefages   [14 April 1863]


The niata is a very good case because the race is well established and must originate in South America. There is a description of the head by [Richard] Owen in the Descriptive catalogue of the osteological collection of the College of Surgeons.

Has observed modifications in the skeletons of rabbits, ducks, poultry, and pigeons. There is an extract about modifications in pigeons in the first chapter of Origin. Encloses a woodcut of crested or polish fowls; there is a change in the brain as well as in the exterior bones.

Author:  Charles Robert Darwin
Addressee:  Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:  [14 Apr 1863]
Classmark:  Bulletins de la Société d’Anthropologie de Paris 4 (1863): 378–9
Letter no:  DCP-LETT-4094F