RECORD: Darwin, C. R. n.d. Abstract of Gray, Remarks on the difficulty of distinguishing certain genera of testaceous mollusca by their shells alone, etc. CUL-DAR205.5.24. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2023. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR205.5 contains notes on the principle of divergence, transitional organs and instincts.
John Edward Gray. 1835. Remarks on the difficulty of distinguishing certain genera of testaceous mollusca by their shells alone, and on the anomalies in regard to habitation observed in certain species. Philosophical Transactions of the Royal Society of London 125, issue 125 (December): 301-10.
[24]
Phil. Trans. 1835. p. 302 Mr Gray shows that very differently organized shells, have same kind of coverings — analogy — like spines on Echidna or Hedgehog →
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 16 October, 2023