From:
Charles Robert Darwin
To:
Alexander Agassiz
Date:
10 Sept [1871 or 1873]
Source of text:
DAR 143: 9
Summary:
Discusses exchange of books.
Contributor:
Darwin Correspondence Project
From:
George Busk
To:
Charles Robert Darwin
Date:
10 Sept 1871
Source of text:
DAR 160: 383
Summary:
Replies to CD’s queries about the homologies of the avicularian and vibracular organs of Polyzoa and gives examples of gradations between the two.
Contributor:
Darwin Correspondence Project
From:
Erasmus Alvey Darwin
To:
Charles Robert Darwin
Date:
10 Sept [1871]
Source of text:
DAR 105: B76–7
Summary:
Writes to check on stock certificates received.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Osbert Salvin
Date:
10 Sept [1871]
Source of text:
Sybil Rampen (private collection)
Summary:
CD is interested in the gradation of character in the lamellae of the beaks of ducks. He finds that they are less developed or prominent in the common duck and goose than in true ducks. Is OS able to provide him with any information on this subject?
Contributor:
Darwin Correspondence Project