Search: letter in document-type 
Heer, Oswald in addressee 
Sorted by:

Showing 14 of 4 items

From:
Charles Robert Darwin
To:
Oswald Heer
Date:
20 Apr [1861?]
Source of text:
Catherine Barnes (dealer) (2002)
Summary:

Thanks for correspondent’s Untersuchungen [? Über das Klima und die Vegetationsverhältnisse des Tertiärlandes (1860)]. CD has always considered subject interesting and important.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Oswald Heer
Date:
4 Aug [1872-4]
Source of text:
Zentralbibliothek Zürich (Nachlass Oswald Heer 213.2)
Summary:

Thanks OH for two memoirs on the fossil flora of Bear Island and Spitzbergen [K. Svensk. Vetensk. Akad. Handl. 8 (1869) no. 7; 9 (1870) no. 5].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Oswald Heer
Date:
8 Mar [1875]
Source of text:
Zentralbibliothek Zürich (Nachlass Oswald Heer 213.2)
Summary:

Thanks OH for his book [see 9876]; agrees that the sudden appearance of many dicotyledons in the Upper Chalk is a perplexing phenomenon for the evolutionist.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Oswald Heer
Date:
28 Feb 1877
Source of text:
Landesarchiv des Kantons Glarus, Switzerland (Bestand Oswald Heer (1809–83) LAGL PA 22.A 1:14)
Summary:

Thanks for work on Fossil arctic flora.

Contributor:
Darwin Correspondence Project