Tierra del Fuego and the barren coasts of Patagonia are "singularly unfavourable to the insect world". In the tropics, however, CD captured minute Coleoptera by the hundreds – which should result in his bringing home many undescribed species.

Acknowledges CD’s letter about alpine entomology of Tierra del Fuego; discusses geographical distribution; urges CD to make a chart of vegetable and geological distribution of insects. Advises him on species to collect and assures him of all assistance in describing his captures on his return.

Tells of founding of Entomological Society, and enrolls CD.

News of J. F. Stephens’ lawsuit and continuation of his Illustrations of British entomology [1827–46]. Praises general state of zoological science in England.

Discusses insect specimens he left with FWH. Asks if he may state on FWH’s authority that a third or a half of the specimens from Sydney and Hobart Town are undescribed – a striking fact, showing imperfect knowledge of the insects in the close neighbourhood of the two Australian capitals.