Lyell's volume [Principles, 10th ed.] received. "We must now keep him straight anent origin and development." Some of Spencer's new part is interesting but much is dull and ponderous. Huxley's Elementary physiology . Has finished his New Zealand manual [Handbook of New Zealand flora (1864–7)]. New Zealand flora [and past geological conditions] suggest islands were once connected. Speculates on the total amount of living organised matter on the globe, and whether it varies. Balfour Stewart on sunspots.
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