From Hugh Falconer 24 August [1863]
Summary
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.]
Author: | Hugh Falconer |
Addressee: | Charles Robert Darwin |
Date: | 24 Aug [1863] |
Classmark: | DAR 164: 16 |
Letter no: | DCP-LETT-4273A |
From Hugh Falconer 29 August 1863
Summary
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.
Author: | Hugh Falconer |
Addressee: | Charles Robert Darwin |
Date: | 29 Aug 1863 |
Classmark: | DAR 164: 17 |
Letter no: | DCP-LETT-4284 |
Darwin, C. R. | (2) |
Darwin, C. R. | (2) |
Falconer, Hugh | (2) |