Outlining a method for making star maps with a pyramid.
Outlining a method for making star maps with a pyramid.
No summary available.
No summary available.
Answers to queries on expression with respect to Fuegians.
As editor for Griffin & Co., JW forwards latest proof for JH to check [see JW's 1860-9-22].
No summary available.
No summary available.
Comments on letter from Jeffries Wyman.
Discusses reprinting reviews by Asa Gray.
Mentions views of W. S. Symonds on the geological record.
Discusses descent of turtles and tortoises.
The universality of variation.
Notes only a few species leave modified descendants.
Discusses Apteryx.
Variation among pigeons.
Comments on fertility among hybrids.
Does not agree that he makes natural selection do too much work.
JW’s case of black hogs shows marvellous relation of colour and constitution.
Could JW get information about eyes of cave rat?
Was JW struck by length of hind legs of male cattle?
CD has long shared JW’s doubts that mutilations were ever inherited but Brown-Séquard’s case seems to settle question.
Is not case of cats with blue eyes being deaf very odd?
Spinal stripes on horse too common to explain in way informant supposes.
Believes Owen "goes a long way with us", though he attacked CD in Edinburgh Review.
"No one other person understands me so thoroughly as Asa Gray."
CD would have carried the public more if he had explained adaptations by multiple causes, some unknown and some well known, i.e., natural selection.
Discusses Hooker’s views of extinction on St Helena.
Work on antiquity of man suspended.
Stopped by 11th edition of Principles of geology [1872].
No summary available.
Answers HGB’s criticism of Origin.
Explains HGB’s case of differences in rats by adaptation.
CD’s view explains homological and embryological resemblances of each type.
Does not believe all development is at same rate. Cites Australian forms.
Does not see force of objection that origin of life must be explained.
Asks if C. L. Brehm’s subspecies of birds are really characteristic of regions of Germany.
Discusses views of T. V. Wollaston concerning island species related to those of mainland; possible land connection between islands and mainland.
Comments on bats of Atlantic islands.
Plant extinction on St Helena.
Experiments on Drosera.
Bronn’s objections [to the Origin] at end of his translation.
Regrets that JH's son Alexander is quitting astronomy. Asks JH to support his effort to obtain position at Madras Observatory. Announces first project would be survey of southern heavens in completion of [F. W. A.] Argelander's new atlas.
A poser: carbonate of soda produces inflection rather than contraction in Drosera. Possible solution: glands at end of hairs absorb as well as secrete. Fascinated by currents in cells after inflection.
No summary available.
Wonders why the coracoid bone in the flightless Apteryx is so large when the clavicles are reduced. The clavicles are even separate in the ostrich. The large coracoid in reptiles is explained by the connection to the forelimbs.
Supplies what is in effect a testimonial to NP's abilities for use in NP's quest to become director of the Madras Observatory.
Asks WS opinion of attaining a civil pension for N. R. Pogson in honor of his astronomical accomplishment.
Observations of Brunonia and a case of a malvaceous flower, which never opened and was self-fertilised.