Letter from Sir Charles Lyell to William Henry Flower, asking 'what name does Owen (Richard Owen) now give to the largest of the Purbeck Mammalia?
Letter from Sir Charles Lyell to William Henry Flower, on a Rev A Caulham's? specimen, Mrs Black's debate on it and sea-cows.
Letter from Sir Charles Lyell to William Henry Flower about meeting him and Huxley to talk over the production of his book (The Antiquity of Man)
Letter from Sir Charles Lyell to William Henry Flower, mentioning Henry de la Beche's Geology of Cornwall and Devon (1839), the Cornish whale fossil, , the position of whale and human skulls and the 'Settle Cave bones'.
Letter from Sir Charles Lyell to William Henry Flower sending drafts to read and thanking Flower for a paper 'the brain of the apes'.
Letter from Sir Charles Lyell to William Henry Flower sending him his manuscript (Antiquity of Man?) to read and comment on with 10 points for special consideration.
Letter from Sir Charles Lyell to William Henry Flower about his writing on fossils.
Letter from Sir Charles Lyell to William Henry Flower on his concluding draft for The Antiquity of Man
Letter from Sir Charles Lyell to William Henry Flower, mentioning 'Classification of Mammalia' by Richard Owen, gorillas and lemurs and a recent visit to the museum.
Letter from Sir Charles Lyell to William Henry Flower asking him to read and critique a paper written for The Athenaeum.