His admiration for HF’s paper on American fossil elephant.
Notes "temporary irruption of S. American forms into N. America".
Rejoices that HF has "smashed" case of Mastodon on Timor.
Shares HF’s anger at Owen.
He is eager to hear about fossil bird [Archaeopteryx].
Comments on criticisms of species theory by [Johann Andreas?] Wagner.
Describes research on fertilisation of Melastomataceae.