NEW BOOKS
... M1EN~TAL EVOLUTIuN i- ANIaMALS. By GEoRos JOiur RdIOnMANES, M.A., LL.D., F.R.S. With a Posthumous ll Essay on Instinct, by Charles Darwin, M.A., LL.D., a L- F.RS. [London: Kogan Paul, Trench, and Co.] c sn This important volume on a branch of the great theory ...