At head of title: Public document... no. 21.

Also referred to as: State Lunatic Hospital, State Lunatic Hospital at Northampton, Third State Lunatic Hospital, Third Hospital for the Insane, Insane Hospital at Northampton, Northampton Lunatic Hospital. The name changed in 1885 from State Lunatic Hospital to Northampton Lunatic Hospital.

Consists of an engraving and plan of the hospital, a list of officers and trustees, the report of the trustees (Eliphalet Trask et al.), report of the treasurer (Pliny Earle), report of the superintendent (Pliny Earle), statistical tables and forms of admission.