Summary

Discusses Agassiz’s misrepresentations of his views and J. D. Dana’s "wild notions".

The reception is friendlier from younger scientists in France, and many of the best men in Germany.

Summary

Sends paper on mimetic analogy [Intellect. Obs. 6 (1864): 307–13].

Mongrel experiments are progressing, but he has observed no signs of sterility.

Summary

Remarks on ARW’s review of Samuel Haughton’s paper on bees’ cells

and Origin.

Agassiz’s strength as geologist and weakness in natural history theory.

Work problems.

His butterfly collection.

Problems with book on Malay journey.

Recommends Herbert Spencer and his Social statics.

Spencer’s "masterly" nebular hypothesis.

Summary

Rejoices that CD is beginning "the book of books", Variation.

Suggests that changes in colour of pollen, stigma, and corolla, as Scott reports in his Primula paper, may be related to changes in the insects required for pollination.

Supports Gärtner translation by Ray Society.

Comments on recent addresses by Lyell [Rep. BAAS 34 (1864): lx–lxxv], Bentham [Proc. Linn. Soc. Lond. 8 (1864): ix–xxiii], and Murchison [Rep. BAAS 34 (1864): 130–6].

Summary

Gives an extract from his notes on Marcgravia umbellata, an epiphyte that might be the plant that Bates refers to as matador.

Summary

Argues the antiquity of the human species because natural selection acts differently with respect to men. Changes in man are largely confined to head and brain. Warfare and sex are very uncertain as means of selection.

Gives CD complete credit for theory of natural selection.

Is beginning his narrative of his travels.

Lyell argues against tracing man as far back as Miocene times. R. I. Murchison’s argument that Africa is the oldest existing land implies that Africa is the place to look for early man.

Summary

Notes and queries on climbing plants for JDH [? given to him by CD at their meeting of 24 July 1864].