Replies to inquiries about his life and career.

Congratulates WP on the success of his lectures.

Discusses the phrase "struggle for existence".

Sends a list of his papers.

Comments on WP’s biographical article on CD. Asks him to thank O. F. Peschel for his present of the publication [Das Ausland 2 Apr 1870].

Is sending copy of Descent.

Thanks for copy of WP’s book [Die Blutkrystalle (1871)].

Discusses shape of external ear.

Obliged for letter about human ear. Comments on ears and on E. R. Lankester’s idea about the ear-lobe.

Discusses inheritance.

Has WP heard of Douglas Spalding’s experiments of blindfolding chickens ["Instinct – with original observations on young animals", Rep. BAAS 42 (1872): 141–3]?

Thanks WP for election [as honorary member of the Medicinisch-Naturwissenschaftliche Gessellschaft zu Jena].

Will send copy of Movement in plants.

Encloses copies of articles [unspecified].

Thanks WP for copy of his Die Seele des Kindes [1882].