From Thomas Vernon Wollaston 2 March [1855]
Summary
Hybrid insects.
Description of the Salvages.
Variability of "transition groups" of insects; relation of variability to ranges of insects. The variability of wings, even within species. Reduction of flying ability on isolated islands.
Forbes’s "Atlantis" theory and insect fauna of the Atlantic islands, considered with regard to insect migrations.
Author: | Thomas Vernon Wollaston |
Addressee: | Charles Robert Darwin |
Date: | 2 Mar [1855] |
Classmark: | DAR 181: 136 |
Letter no: | DCP-LETT-1640 |
From Thomas Vernon Wollaston [February 1856]
Summary
Sends Madeira specimens, including frogs recently introduced into the island, and flourishing.
Author: | Thomas Vernon Wollaston |
Addressee: | Charles Robert Darwin |
Date: | [Feb 1856] |
Classmark: | DAR 205.3: 299 |
Letter no: | DCP-LETT-1806 |
From T. V. Wollaston [27 June 1856]
Summary
Madeiran insects. Regards the "Atlantic province" as a centre of the Coleoptera.
Author: | Thomas Vernon Wollaston |
Addressee: | Charles Robert Darwin |
Date: | [27 June 1856] |
Classmark: | DAR 181: 137 |
Letter no: | DCP-LETT-1912 |
From T. V. Wollaston [c. 27 June 1856]
Author: | Thomas Vernon Wollaston |
Addressee: | Charles Robert Darwin |
Date: | [c. 27 June 1856] |
Classmark: | DAR 205.3: 300 |
Letter no: | DCP-LETT-1912A |
From T. V. Wollaston [11 or 18 December 1856]
Summary
Informs CD that the "dishonest mollusks" were collected in May 1855 in Porto Santo. Describes some Madeira species. Though believing in "species" more and more, these may be "mere insular modifications".
Author: | Thomas Vernon Wollaston |
Addressee: | Charles Robert Darwin |
Date: | [11 or 18] Dec 1856 |
Classmark: | DAR 205.3: 301 |
Letter no: | DCP-LETT-2013 |
From T. V. Wollaston [early November 1856]
Summary
Variability of certain features within insect genera.
Author: | Thomas Vernon Wollaston |
Addressee: | Charles Robert Darwin |
Date: | [early Nov 1856] |
Classmark: | DAR 181: 138 |
Letter no: | DCP-LETT-2030 |
From T. V. Wollaston [12 April 1857]
Summary
Lists groups of insects absent from the Madeiran fauna.
Author: | Thomas Vernon Wollaston |
Addressee: | Charles Robert Darwin |
Date: | [12 Apr 1857] |
Classmark: | DAR 181: 139 |
Letter no: | DCP-LETT-2076 |
From T. V. Wollaston [November–December 1857]
Summary
He was unaware that varieties occurred proportionately more in large genera.
Recommends a work [Leonard Gyllenhaal, Insecta Suecica, 4 vols. (1808–27)] for tabulating varieties.
Lists "close geographical representatives of Europaean species" based on the species numbers [in T. V. Wollaston, Catalogue of the coleopterous insects of Madeira (1857)].
Author: | Thomas Vernon Wollaston |
Addressee: | Charles Robert Darwin |
Date: | [Nov–Dec 1857] |
Classmark: | DAR 16: 223 |
Letter no: | DCP-LETT-2133 |
From Thomas Vernon Wollaston [16 September 1860]
Summary
Has received a batch of S. African specimens which contain many of the Atlantic genera he found in Madeira and the Canaries.
Author: | Thomas Vernon Wollaston |
Addressee: | Charles Robert Darwin |
Date: | [16 Sept 1860] |
Classmark: | DAR 205.3: 302 |
Letter no: | DCP-LETT-2919 |