From:
John Richardson
To:
Charles Robert Darwin
Date:
17 July 1856
Source of text:
DAR 205.3: 285
Summary:
Responds to CD’s questions about the geographical distribution of freshwater fishes.
Contributor:
Darwin Correspondence Project
Responds to CD’s questions about the geographical distribution of freshwater fishes.
No summary available.
Thanks JH for letter introducing Mr. Burnet at the Cape. The Hudson Bay Company is recording the temperature of the subsoil at JR's request. Sends some findings, which he will publish.
Asks: for name of instrument maker JH recommends for construction of actinometers; which hydrogrameters should be taken to Mackenzie's River; and whether JH has any experiments he would like done in America.
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