ye THE GRAMMAR OF SCIENCE 



Mach, E. • — Beitrage zur Analyse der Empfindungen, iSS6. Further: 

 "The Analysis of the Sensations — Anti-metaphysical," The Monist, 

 vol. i. pp. 48-68; "Sensations and the Elements of Reality," Ibid, 

 pp. 393-400. 



Morgan, C. Ll. — Animal Life and Intelligence, chaps, viii. and ix. 

 Arnold, 1 89 1. 



Pearson, K. — The Ethic of Freethought ("Matter and Soul"). Unwin, 

 1888. 



