Fish will take both sorts of seeds sent by CD, but will not take oats.
Showing 41–60 of 146 items
Fish will take both sorts of seeds sent by CD, but will not take oats.
In reply to CD’s query [see 2072], JDD describes what little is known about the crustacea of the Antarctic and southern lands.
Knows of no species of the cold temperate south identical with those of the cold temperate north.
Curative power of hydropathy.
General hairiness of alpine plants questioned: direct environmental effect.
CD has long felt JDH is too hard on bad observers.
JDH has shaved the hair off the alpine plant.
CD apologises for his criticism.
Apparent but false relations of plant structure to climate: heath-like foliage of all Cape of Good Hope plants.
JDH’s last letter demolishes woolly alpine plant theory.
Correlation of apetalous flowers and cold climate.
Discusses family health and affairs.
Asks JDH’s opinion, and botanical evidence, on important law: parts that are highly developed in comparison to other allied species are very variable.
Interest in hairiness of alpine plants revived by reading A. Moquin-Tandon [Éléments de tératologie végétale (1841)]; correlation with dryness. CD seeks interpretation independent of direct environmental effect.
Is trying to find a tutor for WED.
Birds that have been hybridised.
Writes of WED’s recent excursion to Manchester and his future educational plans.
Comments on species with disjoined ranges; does not feel, despite CD’s expectations, that they tend to belong to small families.
Gives the proportion of U. S. trees in which the sexes are separate [see Natural selection, p. 62].
Qualifications of John Lindley, Huxley, Albany Hancock, Joseph Prestwich, J. C. Ross, and Francis Beaufort for Royal Medal.
"Law" [see 2092] correlating variability and abnormal development not confirmed by JDH for plants.
CD studies struggle for existence in his weed garden.
Scotch fir observed at Moor Park.
Royal Society medals.
Correlation of variability and abnormal development is G. R. Waterhouse’s law. Relation of this law to polymorphism.
Colouring and marks of ancestral horse deduced from facts observed in pigeons.
Discusses difficulties involved in deciding which genera are protean in the light of some comments by H. C. Watson.
Sends a reference to Subularia which bears on a query CD made some time ago [see 2002]. Subularia was seen to flower in the air in a remarkably dry season.
Seedling leaves of gorse look like clover leaves. This is like young lions being striped. Thus, laws of animal embryology apply to plants.
Embryology of plants of low systematic order. Comparative development begins only with first post-cotyledonary leaves.
Curt letter to JDH from George Henslow.
Memorandum about £250 investment in Patent Siliceous Stone Company, owned by David Thomas Ansted and Frederick Ransome.
George Henslow’s curtness to JDH: "an attack of religion".
Embryonic leaves. Adaptive functions and taxonomic significance of cotyledons.
Asa Gray. Separation of sexes in U. S. trees.