Thanks JS for fossil cirripedes. Discusses the specimens. Sends thanks to J. G. Forchhammer for specimens.
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Thanks JS for fossil cirripedes. Discusses the specimens. Sends thanks to J. G. Forchhammer for specimens.
Describes progress of research on fossil cirripedes. Comments on specimens sent by JS. Asks about age of several European formations, and for information about specimens.
Describes progress in illustration of fossil cirripede specimens. Thanks for answers to questions. Comments on hermaphroditism. Describes his discovery of parasitic male cirripedes.
Asks him to send additional cirripede specimens.
Fossil cirripede specimens have arrived.
Describes progress on his monograph [Fossil Cirripedia].
Would be grateful for the paper on Lithotrya. Asks for information.
Thanks for fossil cirripede specimens.
Describes progress on his book [Fossil Cirripedia] and his work on living cirripedes. Asks to borrow specimens.
Comments on book [F. C. L. Koch and Wilhelm Dunker, Norddeutschen Oolithgebildes (1837)].
Sends thanks to Friedrich Adolph Roemer and R. A. Philippi for specimens.