CD overwhelmed by THH’s praise.
Agrees with his reservations about species theory but not wholly about sterility and gives his reasons for differing.
On Natural History Review, Hugh Falconer, and R. Owen.
Has written a review [Collected papers 2: 87–92] of H. W. Bates’s paper ["Contributions to an insect fauna of the Amazon valley", Trans. Linn. Soc. Lond. 23 (1862): 495–566].