LETTER XXXIV.

Boston (continued)--The Old South--Unitarianism, and Connection between Church and State--A Welsh Service in an "Upper Room"--Laura Bridgman and the Wedding Ring--Oliver Caswell--Departure from Boston--John Todd and his Family--His Congregationalism--Albany and the Delevan House--Journey to Utica--Remsen and the Welsh People--Dogs made to churn, and Horses to saw Wood