Simeon Habel of New York has returned from Galapagos. CD has asked him to send any plants to JDH.

Reading Nägeli convinces him that it is all-important to learn all about polymorphic or protean genera for the "Laws of Variability".

New Zealand genera are interesting and have perplexed him for years.

Has read paper on snakes. Thinks it is not fascination but fear that makes the victim fall into snake’s power.

An article in North British Review by mathematician against Hooker and Huxley and for William Thomson [P. G. Tait, "Geological time", North Br. Rev. 50 (1869): 406–39]. Feels a conviction that world will be found older than reviewer makes it.

Article on "Design" [by J. B. Mozley] in Quarterly Review [127 (1869): 134–76].

Has JDH studied Drosophyllum?