Search:
2 Items
Page: 1
From Arthur Russell 15 April 1872
Summary
Has acquired some French frogs, Rana esculenta, which have mated with R. temporaria, but the spawn has not developed.
Asks whether anyone has successfully crossed frogs and toads.
Author: | Arthur John Edward (Arthur) Russell, Lord Arthur Russell |
Addressee: | Charles Robert Darwin |
Date: | 15 Apr 1872 |
Classmark: | DAR 176: 225 |
Letter no: | DCP-LETT-8286 |
From Arthur Russell 19 May 1873
Summary
In Variation CD claims there are no distinct races of carp, but AR says that in Germany a peculiar and constant variety of carp has been bred.
Author: | Arthur John Edward (Arthur) Russell, Lord Arthur Russell |
Addressee: | Charles Robert Darwin |
Date: | 19 May 1873 |
Classmark: | DAR 176: 226 |
Letter no: | DCP-LETT-8915 |
Addressee
Darwin, C. R. | (2) |