 He had thrown doubt on some statements of Charles Lucas in his account of the spa of Lisdoonvarna, County Clare, and Lucas issued a general attack on the book.He published in Dublin, in 1762, a tract called 'The Analysis of Milk', and in 1770 'The Weather and Seasons in Dublin for Forty Years', which mentions the prevalent diseases throughout that period.In 1772 he published "A Natural History of the County of Dublin" in two volumes.