Comments on agreement of their respective views on distribution.
Reference to differences on subsidence.
Reports on progress of his work and praises ARW’s investigations.
Comments on agreement of their respective views on distribution.
Reference to differences on subsidence.
Reports on progress of his work and praises ARW’s investigations.
Replies to more queries about fowl hybrids.
Species with marked varieties.
Dana’s pamphlet also too metaphysical for CD.
Natural selection chapter on hybridism completed.
Doubts JDH will resist theory in his introduction to Flora Tasmaniae.
Asks whether British or north European perennial plants can, under cultivation, withstand the climate of S. Australia.
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