Letters from Edward Nettleship to Karl Pearson 7 Concerning signs to indicate colour of dogs' coats, discussing human skin pigmentation with photographs from Thomas (letter dated 6 Mar 1912 and letter from N Thomas to Pearson), white hare, reference to white zebra, white bat dissection, letter from Henry Gray to Nettleship, photograph of white bat specimen with observations (letter dated 5 Sep 1912), working out pedigree of mixed eye-disease of unusual type and pedigree of blindness in bulls, holiday in Lynton, Devon, dog breeding, results of matings between 'Ting' and 'Little Oo'. 1912