Describes an astounding "sort of mis-begotten-bird-creature", the Archaeopteryx, a grand Darwinian case.
His elephant paper is out in Natural History Review [(1863): 43–114].
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Describes an astounding "sort of mis-begotten-bird-creature", the Archaeopteryx, a grand Darwinian case.
His elephant paper is out in Natural History Review [(1863): 43–114].
Comments on his elephant paper
and CD’s observations on dimorphism in Melastomataceae.
Answers CD’s query on the free digits of Archaeopteryx.
Jaw with teeth found associated with Archaeopteryx fossil. Waterhouse pronounces it a fish’s jaw.
Has been in France, conveys good wishes from Quatrefages.
Describes the fossil of an unusual mammal head from Brazil.
Further description of the Toxodon-like mammal, Typotherium.
Sends information about Pliocene fauna of the "Forest Bed" of the Norfolk coast.
A genus described as extinct by Owen is found by E. A. I. H. Lartet to exist in Russia.
Edouard Suess attributes to Oswald Heer and HF the generalisation "That the time during which a new species is formed, is (as a rule) very short in comparison with the time during which it persistently presents the same peculiar specific characters". [Edouard Suess, "Über die Verschiedenheit und die Aufeinanderfolge der tertiären Landfaunen in der Niederung von Wien", Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften in Wien (Math-naturw. Klasse) 47 (1863): 306–31.] [See 4277.]
HF will send E. Suess’s paper [Edouard Suess, "Über die Verschiedenheit und die Aufeinanderfolge der tertiären Landfaunen in der Niederung von Wien", Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften in Wien (Math–nat. Klasse) 47 (1863): 306–31] which deals directly with natural selection.
Is having E. Suess’s essay [see 4284] translated; will forward it as soon as it is done.
Returns a letter wrongly addressed by CD [4361].