Supplies names of moths and references.

Describes his breeding experiments with butterflies to test effects of reduced light.

Brought forward the "cousin question" in the House; read most of CD’s letter to the House.

Some good men spoke for CD’s amendment, but in vain.

Would much like CD to contribute a note for insertion after his paper on Aymara Indians.

Sends seeds from R. L. Playfair in Algiers.

F. Delpino writes asking where M. A. Curtis has published physiological observations on Dionaea ["Enumeration of plants growing spontaneously around Wilmington, North Carolina", Boston J. Nat. Hist. 1 (1834–7): 82–140; see Insectivorous plants, p. 301 n.].

Talk with Duke of Argyll on CD’s and Wallace’s views on man.