On the power of concentration to influence body organs.
Showing 161–180 of 446 items
On the power of concentration to influence body organs.
Sexual differences in sloths. J. G. Wagler article on sloths [Isis 24 (1831): 604–12].
Encloses notes that illustrate apparent intelligent reasoning by a dog which tricked an adversary, and by an elephant peaceably enduring a painful operation.
Apologises for shortcomings of his argument in earlier letters, explaining he has had little scientific education, but a life-long interest in progressive development. Resumes theorising.
A friend with similar interests has asked to be introduced to CD, as he has some facts that will amuse him.
Corrects error in his letter [7652] about date of Wagler article in Isis. Wagler said it was females that had the yellow dorsal spot.
Comments on discussion of residual organs in Descent [ch. 1].
Describes his ability to contract the platysma myoides at will.
Suggests reason for loss of voluntary movement of ears in men and monkeys.
Sends photographs of general paralytics. Expressions of exaltation of [these?] patients do not come out well in the photographs.
Is experimenting with idiots under his care. Has been unable to produce a blush in any one of them.
Sexual selection in deer.
Assemblies of black cocks.
Nests of spotted flycatcher.
Corrects CD on his assertion that the platysma myoides "cannot voluntarily be brought into action" [Descent 1: 19].
Sexual differences in coloration in Lemur macaco.
On some errata in Descent.
Sends extracts from a statistical study giving proportion of sexes in [population of] Netherlands.
Anecdotes about a dog and cat evidencing "a high order of instinct".
Believes CD should answer the critical article [review of Descent] in the Times [of 7 and 8 Apr].
Moral sense and moral conduct.
Arrangements for transfer of rabbits to CD.
Sends quotations from Xenophon and Horace pointing to sexual selection. [See Descent, 2d ed., p. 29 n.]
Emotional states leading to contraction of the platysma. Contraction of skin muscles.
Thanks CD for correcting proof slips quoting CD letters to Charles Boner, though she does not agree with CD’s too short comments.
Asks CD’s opinion of a request from Loescher of Turin. Thinks Loescher should have named his translator.
Does CD know the name of the Times reviewer?
On sexual selection in butterflies. [See GF’s article in Nature 3 (1870–1): 489; also Descent (1875): 312.]