"You will have been sorry to have seen in the newspapers, the disturbances & fightings with the New Zealanders. – I have lately been much interested in reading your chapters on the slow decrease in numbers … of these poor people. The case appears to me very curious, especially as the decrease has commenced or continued since the introduction of the potato – the relation between the amount of population & of food is hence inverted. It would have been a case for the great Malthus to have reflected on".