Thanks HWB for information on Volucella, although he does not know when he will use it.
Is glad HWB is beginning his book.
CD is beginning work on his orchid book.
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Thanks HWB for information on Volucella, although he does not know when he will use it.
Is glad HWB is beginning his book.
CD is beginning work on his orchid book.
Query on orchid homology.
Critical of F. A. Bauer on orchids [Illustrations of orchidaceous plants (1830–8)].
Orchid anatomy.
Thanks for JG’s book [An introduction to the Trochilidae, or family of humming-birds (1861)], which he has read carefully. Hopes someday to use the information on the close alliance of species in large genera.
CD repudiates hybridity of birds in nature.
Intends to extract the cases of "races" or doubtful species. They show that "determination of species is not a simple affair".
Asks DO to look for nectar in Stanhopea saccata labellum. CD’s theory predicts nectar should be present, but afraid there is none.
Orchid anatomy: movement in Mormodes column.
Asks whether WED has signed the articles of partnership in the bank.
Has been working at orchid drawings with G. B. Sowerby, Jr.
Orchid anatomy. Catasetum exemplifies slight modification of structure leading to new structure.
Orchid anatomy. Wind as agent of self-fertilisation in orchids.
Discusses business matters relating to WED and the bank.
Orchid anatomy. Movements of labellum.
Repeating Gärtner’s experiment with Verbascum varieties.
Tells of a shooting competition at Down.
Has been working hard at orchid drawings with G. B. Sowerby, Jr.
JDH’s work on Gnetum: a living fossil.
Orchid anatomy.
Encloses lists of orchids and other specimens he would be interested in seeing.
Acropera anatomy puzzling. Malaxis anatomy deciphered.
Discusses affairs at Down and Southampton.