Scarlet seed is Adenanthera pavonina. JDH’s suggestion on how disseminated.

On Herbert Spencer, "all oil no bone – a thinking pump", but his paper on sap and wood [Trans. Linn. Soc. Lond. 25 (1866): 405–30] is good science. His refusal to bring a specimen for analysis when confronted by JDH.

Bentham and Martin disagreement.

Speculations on New Zealand flora.

Albert Günther’s paper on fishes on each side of Isthmus of Panama [Proc. Zool. Soc. Lond. (1866): 600–4].

On the quantity (bulk and weight) of organic life [matter].

Thinks of adding chapter on man to Variation. Asks about muscles connected to os coccyx in man and existence of other rudimentary organs in man.

Sends copy of Origin.

Is unable to answer her questions about religious implications of natural selection, but would prefer to believe that suffering in world is due to natural events.

Grateful that JH is considering [writing treatise on inductive logic]. Each book in series is independent of other authors. Conveyed JH's request to Bartholomew Price.

Congratulates WS on his recovery. Thanks him for the meteor observations. The evidence points to an 11 rather than a 10 year period [in sunspots?].