Rolle has done great service by publishing his book [Ch. Darwin’s Lehre von der Entstehung der Arten (1863)].

Thanks FR for sketch of progress of evolutionary theory in Germany.

Compliments to Gustav Jäger.

Comments on FR’s book [Ch. Darwin’s Lehre (1863)].

Thanks FR for copy [of first number] of Der Mensch [1866].

Thanks for all five numbers of Der Mensch [1866].

Had not known that Rütimeyer had written on modification of species.

Thanks for information about publications.

Hopes Hans Geinitz will take care in correcting Bronn’s translation [of Origin].

Thanks for references.

CD in error about Torfschwein.

Comments on German publications.

Asks about breed of fowl in which females have spurs.

Thanks for information on fowls.

Glad to see extracts from Blumenbach about sexual differences in fowls.