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.

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.