No summary available.
No summary available.
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.
No summary available.
No summary available.
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.
No summary available.
Thanks JJ for the counterfeit coin he sent; JH comments on the possibility of oval coinage.
No summary available.
No summary available.
No summary available.
No summary available.
No summary available.
Birds that have been hybridised.
No summary available.
No summary available.
No summary available.
Letter accompanying AM's book on climatology.