Hunter, D W Letters dated 1910 regarding the occurrance of cases of tuberculosis and mental illness across generations [in "elder" and "closing" members]; the possible disposition of people with Down's Syndrome to tuberculosis; and diagrams showing the distribution of "tuberculosis, insane members, and criminals" in large families [enclosed]. Letter dated 1911 thanking Pearson for his paper on albinism, and providing [anonymised] information about cases of albinism. Letters dated 1912 regarding the difficulties in collecting follow-up data from former patients; G Auden's ideas on segregation; and enclosing newspaper clippings on eugenics and horse racing. Apr 1910