Fulton notes that "important observations on respiration are scattered through nearly all of Boyle's works. He was impressed with the idea that life was a slow-burning flame, and he often pointed out the analogy between living processes and the burning of a candle. It was in the present tract, however, that he gave special attention to the theme, insisting upon the term flamma vitalis. In many places he approached the modern theory of oxidation." This is AN ATTRACTIVE COPY with no internal library markings, and an unusual one in having gatherings k-x correctly bound.