Sets out some of his ideas on the effects of disuse on an organ. Disuse as a cause of reduction.
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Sets out some of his ideas on the effects of disuse on an organ. Disuse as a cause of reduction.
Encloses a copy of a letter from H. Spencer giving his opinion on GJR’s views on disuse and a draft of GJR’s reply to Spencer.
Thanks GJR for his letter, regrets pressure of other work prevents his giving GJR’s remarks the attention they deserve. GJR makes clearer how an organ that has started to decrease will go on decreasing.
Comments on Spencer’s terms.
Speaks of visiting GJR at the Brown Institution.
Invites GJR to visit.
Thanks GJR for copy of his book [Christian prayer and general laws (1874)].
Discusses breeding and sterility.
Discusses experiments to test Pangenesis. Cites useful references.
Suggests GJR visit Kew gardens.
Urges GJR to visit Hooker at Kew.
Discourages grafting ears of rabbits. Suggests comb of fowl.