Letters from Edward Nettleship to Karl Pearson 4 Concerning horse's eye, pedigree of albino Pekingese, Usher's picture, microscopic drawings, hare's eyes, questions concerning selected pedigrees of different eye conditions, night-blindness enquiry, Meyerhof of Cairo's case, Jaeger's Ophthalmoskopischer Hand-Atlas (1890), drawing from Usher 'iris only' cases, the 'Tong' case, proof-reading, anomalous changes of skin colour and texture, permission granted for Bishop Harman's Treasury of Human Inheritance. 1909