Visit to Prof Morse at Salem, Morse's Japanese artefacts and books, his 15 year old son's weekly natural history club meetings and collections of flints, shells and insects; visit to Prof Marsh at Newhaven Connecticut, his fossil collection including great animal skulls and skeletons; explosion of rotten ostrich egg in Marsh's museum (Peabody Museum, Yale); ARW's lecture to ladies' college at Poughkeepsie; route of travel to Baltimore via New York. Newhaven landscape; Prof. Marsh's 10 acre grounds and house of his own design with octagonal sitting room and rooms displaying china and artefacts including American Indian scalps and heads of animals shot by Marsh; Marsh's travels in the Rocky Mountains; Baltimore park, streets and buildings; Maryland a Slave state before the war, many people black, antics of waiters in hotels.