Showing 41–60 of 67 items
Thanks CD for copy of Variation.
CD’s work on pigeons demonstrates the close relationship between modifications in soft tissues and the hard parts, which are the only ones we possess in the fossil state.
Observations on expression in her baby daughter.
Thanks for Casimir de Candolle’s paper ["Théorie de l’angle unique en phyllotaxie", Arch. Sci. Phys. & Nat. 23 (1865): 199–212].
Extract from Émile Blanchard’s Metamorphoses, moeurs et instincts des insectes [1868], on attraction of males by female Lepidoptera, and possible explanation.
Solicits CD’s support for the newly set up Royal Horticultural Society’s Scientific Committee.
Very pleased that he was put into CD’s book [Variation 1: 352].
Sends "hybridising pincers" of his own making.
Has some "vegetable caterpillars" from New Zealand and will be pleased to show them to CD if he is interested.
Gives details of the subjects on whom Langstaff made his observations on crying. Langstaff has not seen the platysma contract under chloroform.
Submits lists of insects [missing] for correspondent to check whether brightly coloured. Wants to determine whether there is any relation between bright colouring, whether in both sexes or one alone, and an unequal number of males and females.
Asks WED whether Langstaff could make some observations on certain facial muscles in expression.
In reading Variation, notices CD has not observed that after mallards have been domesticated their claws turn from black to white.
He and another Bencher of Lincoln’s Inn have signed the necessary certificates for admission of CD’s son [George].
About an American edition of Variation.
Instinct in birds; nest-building.
Inheritance of acquired characters.
Sends CD a copy of a book he has had printed mainly for the interest of his children and grandchildren [later published as Recollections of past life (1872)].
In addition to the drawing of a caterpillar which CD intends to use,
HWB sends information on differences of colour and pattern between the sexes of species of Papilio.
Argynnis diana and A. sagana have females that are brightly coloured, but these may be cases of protective mimicry.
Gives the evidence on which he relied for his view, which CD thinks is erroneous, of proportion of sexes in Lepidoptera.
Has studied Variation with interest.
Cannot quite follow CD on reversion and Pangenesis,
but is amazed at CD’s observations and method.
Comments on varieties of asses, kidney beans, and artichokes.
Charles Langstaff on action of muscles in crying. He believes the primary object of the contraction of the orbicularis is to protect the eye from blood.
Blushing on the body.
On proportion of sexes;
coloration of sexes in Lepidoptera.
Sexual attraction of female Saturnia carpini.
His opinion of Pangenesis.
On relative proportion of sexes in marine animals [sthg missing!?] Crustacea.
Sexual differences.
Music of Cicadae.
