From Fritz Müller [c. January 1874]
Summary
Agrees with Bates that neuter termites are not modified imagos (sterile females), but modified larvae (of both sexes).
Systematic relations of stingless honey-bees (Melipona and Trigona) are not yet well established.
| Author: | Johann Friedrich Theodor (Fritz) Müller |
| Addressee: | Charles Robert Darwin |
| Date: | [c. Jan 1874] |
| Classmark: | Nature, 19 February 1874, p. 309 |
| Letter no: | DCP-LETT-9281 |
From Fritz Müller 15 June 1869
Summary
FM much gratified by the appearance of Für Darwin translation.
Discusses dimorphism in Rubiaceae.
| Author: | Johann Friedrich Theodor (Fritz) Müller |
| Addressee: | Charles Robert Darwin |
| Date: | 15 June 1869 |
| Classmark: | DAR 110: B115; Royal Botanic Gardens, Kew (Directors’ Correspondence 215/175) |
| Letter no: | DCP-LETT-6783 |
Matches: 2 hits
- … Müller , 14 March 1869 and 18 March 1869 . In a letter of 12 June 1869 , Müller told his brother, Hermann …
- … Hermann, Müller confided that he thought the remark about his moral code a rather good joke (Möller ed. 1915–21, 2: 158). See Correspondence vol. 17, letter to Fritz Müller, 14 March 1869 …
From Fritz Müller 17 July 1867
Summary
Thanks CD for sending F. H. G. Hildebrand’s book on fertilisation [Die Geschlechter-Vertheilung bei den Pflanzen (1867)]
and J. D. Hooker’s "Lecture on insular floras".
Describes work on Rubiaceae, Oxalis,
and on crossing orchids. Lists crosses made.
As for CD’s query concerning sexual differences among invertebrates, he gives the case of the local amphipod, Brachyscellus diversilor. Male differs in shape of antennae and coloration.
Also mentions local fish in sea near Sta Catharina which emits melodic tone to attract females.
| Author: | Johann Friedrich Theodor (Fritz) Müller |
| Addressee: | Charles Robert Darwin |
| Date: | 17 July 1867 |
| Classmark: | Möller ed. 1915–21, 2: 130–1 |
| Letter no: | DCP-LETT-5583A |
Matches: 1 hit
- … Hermann Müller (1 July 1866; the letters are reproduced in Möller ed. 1915–21, 2: 83–4, 86–9. Müller described it as a species of the orchid tribe Epidendreae with three fertile anthers, two in the outer whorl and one in the inner whorl (see Möller ed. 1915–21, 2: 87–8). He later published his observations in F. Müller 1868a , 1869, …
