To T. H. Huxley 21 February [1868]
Summary
THH’s offer to read proof of essay on man encourages CD to write with satisfaction instead of a vague dread.
Begs Mrs Huxley not to forget corrugator supercilii in a crying child.
| Author: | Charles Robert Darwin |
| Addressee: | Thomas Henry Huxley |
| Date: | 21 Feb [1868] |
| Classmark: | Imperial College of Science, Technology and Medicine Archives (Huxley 5: 260) |
| Letter no: | DCP-LETT-5408 |
To W. B. Tegetmeier 21 February [1868]
Summary
Thanks WBT for tabulation of sex ratios in racehorses.
| Author: | Charles Robert Darwin |
| Addressee: | William Bernhard Tegetmeier |
| Date: | 21 Feb [1868] |
| Classmark: | Archives of the New York Botanical Garden (Charles Finney Cox Collection) |
| Letter no: | DCP-LETT-5906 |
To H. T. Stainton 21 February [1868]
Summary
Discusses factors possibly influencing the sex of caterpillars. Is gathering information on sex ratios in insects and would welcome any cases in which males seem to outnumber females.
| Author: | Charles Robert Darwin |
| Addressee: | Henry Tibbats Stainton |
| Date: | 21 Feb [1868] |
| Classmark: | Natural History Museum, Library and Archives (General Special Collections MSS DAR 21) |
| Letter no: | DCP-LETT-5907 |
To Roland Trimen 21 February [1868]
Summary
RT’s argument about the Lasiocampa strikes him as very good; asks for any similar cases. Wonders whether male butterflies may serve more than one female.
| Author: | Charles Robert Darwin |
| Addressee: | Roland Trimen |
| Date: | 21 Feb [1868] |
| Classmark: | Royal Entomological Society (Trimen papers, box 21: 65) |
| Letter no: | DCP-LETT-5908 |
From H. W. Bates 21 February 1868
Summary
Comments on J. O. Westwood’s entomological nomenclature.
Discusses the organs for stridulation in Orthoptera [see Descent 1: 352ff].
| Author: | Henry Walter Bates |
| Addressee: | Charles Robert Darwin |
| Date: | 21 Feb 1868 |
| Classmark: | DAR 82: A32–3 |
| Letter no: | DCP-LETT-5909 |
From Robert McLachlan 21 February 1868
Summary
On numerical proportions of sexes in insects; coloration. Dimorphism in dragonflies (Agrion) in which usual coloration is reversed in sexes [see Descent 1: 362–4].
Wallace seems to ride his hobby too hard.
| Author: | Robert McLachlan |
| Addressee: | Charles Robert Darwin |
| Date: | 21 Feb 1868 |
| Classmark: | DAR 86: A8–9, DAR 82: A88–9 |
| Letter no: | DCP-LETT-5910 |
| Darwin, C. R. | (4) |
| Bates, H. W. | (1) |
| McLachlan, Robert | (1) |
| Darwin, C. R. | (2) |
| Huxley, T. H. | (1) |
| Stainton, H. T. | (1) |
| Tegetmeier, W. B. | (1) |
| Trimen, Roland | (1) |
| Darwin, C. R. | (6) |
| Bates, H. W. | (1) |
| Huxley, T. H. | (1) |
| McLachlan, Robert | (1) |
| Stainton, H. T. | (1) |
