To T. H. Huxley 5 July [1857]
Summary
Asks THH’s opinion on embryological views of G. A. Brullé [Ann. & Mag. Nat. Hist. 13 (1844): 484–6] and F. M. Barnéoud [Ann. des Sci. Nat. ser. 3, Bot. 6 (1846): 268–96] and on Milne-Edwards’ classification.
Has been reading John Goodsir ["On the morphological constitution of the skeleton of the vertebrate head", Edinburgh New Philos. J. 2d ser. 5 (1857): 123–78].
Has embryology of bats ever been worked out?
Author: | Charles Robert Darwin |
Addressee: | Thomas Henry Huxley |
Date: | 5 July [1857] |
Classmark: | Imperial College of Science, Technology, and Medicine Archives (Huxley 5: 67) |
Letter no: | DCP-LETT-2118 |
To T. H. Huxley 9 July [1857]
Summary
Thanks THH for his cautionary response on Brullé, but departs from THH in thinking that Barnéoud, if true, would shed light on Milne-Edwards’ proposition that the wider apart classes of animals are the earlier they depart from common embryonic plan.
Author: | Charles Robert Darwin |
Addressee: | Thomas Henry Huxley |
Date: | 9 July [1857] |
Classmark: | Imperial College of Science, Technology, and Medicine Archives (Huxley 5: 50) |
Letter no: | DCP-LETT-2122 |