WATTS,Robert. Utilitarianism as propounded by J.Stuart Mill. Belfast, C.Aitchison; London, Hamilton, Adams & Co. 
Twelvemo, original printed blue wrappers, a little soiled and worn, pp.35, a small ink stamp at head of front wrapper, some ink splashes to rear wrapper, ownership in ink on front wrapper and title, a very good copy.
First edition of this rare and uncommon attack on Mill's Utilitarianism from this Irish Presbyterian who had earlier been a missionary to the United States. The author draws in part on the treatment of American slaves for his argument against Mill.
Very rare no copy of the first edition in Copac [1 copy only of 2nd revised edition