Showing 41–60 of 158 items
Heartened that tabulations of small and large genera done in different ways yield good results. JDH has done some tabulations but has not followed CD’s method of getting equal numbers of small and large genera.
JDH’s "objection" that small local genera do not vary and mundane ones do, is exactly CD’s point. Local floras useful to test idea that varieties are incipient species. Same genus in different countries cannot be lumped.
Summary of JDH’s objections to CD’s survey of floras and conclusion that large genera vary more than small.
Thanks JDH for his objections; will respond by sending fair copy of MS when written.
Discusses the ranges of species in large and small genera; difficulties involved in limiting the discussion to Britain.
Writing section on large and small genera [for Natural selection, ch. 4].
Huxley supersedes Owen on parthenogenesis.
Buckle’s History of civilisation in England extremely interesting.
List of close species taken from AG’s Manual of botany [1848].
[Copy of some rough notes.] References about species. Variations within species.
Asa Gray’s criticism of Buckle and his comments on large and small genera.
CD suspects glacial epoch immensely long. Rates of organic change too variable to make them a good measure of geological time.
Bees’ cells are a difficulty for theory.
A set of questions CD prepared for his meeting with WHM to discuss the geometry of bees’ cells.
Bees’ cells; GRW thinks hexagonal shape is accidental. Encloses notes on cells of Icaria.
CD recounts an idyllic stroll and nap – "as pleasant a rural scene as ever I saw, and I did not care one penny how any of the beasts or birds had been formed".
Confidential revelation concerning W. F. Daniell.
Georg Hartung confirms CD’s supposition from flora of Azores that icebergs had been stranded there.
Has been at Moor Park since Tuesday. Is passing his time watching ants.
Has come to heavy grief about bees’ cells, unless Huber is wrong [François Huber, New observations on the natural history of bees, new ed. (1841)].
Discusses cart-horses and stripes on a Belgiman [Belgian?].
Relates domestic affairs.
Thinks his bees’ cell theory will hold good.
Discusses bees’ cells
and WED’s botanical interests.
Sends MS on large and small genera.
Observed slave-making ants at Moor Park.
[Six fragments, mainly diagrams.] The geometry of bees’ cells.
Relates events at home;
hopes WED gets the scholarship.
