Gregory, John Walter, 1864-1932 (professor of geology, University of Glasgow)
Person
Found in 2 Collections and/or Records:
Letter to James Cossar Ewart from John Walter Gregory, 29 January 1929
Item
Identifier: Coll-14/9/35/3
Scope and Contents
Gregory writes that he is interested in the photographs Ewart sent him. He imagines that hairs and scales probably arose from different types of papillae and that the hair developed between the scales and gradually replaced them as the animals required more thermal protection.
Dates:
29 January 1929
Letter to James Cossar Ewart from John Walter Gregory (incomplete), 14 January 1929
Item
Identifier: Coll-14/9/35/2
Scope and Contents
Gregory provides information on what he believes to be the causes of evolution of mammals from reptiles.
The latter part of the letter, incuding the author's signature, is not present.
Dates:
14 January 1929
Additional filters:
- Subject
- Evolution (Biology) 1
- Hair 1
- Mammals 1
- Photographs 1
- Reptiles 1