Psycho-analysts will welcome these two volumes of selections from the work of John Hughlings Jackson. It is perhaps to be regretted that all Hughlings Jackson's work has not been published as collected papers for the reader to make his own selection. However, the task the editor has performed for us will show the historical progression of Jackson's ideas.

J. Hughlings Jackson (1835–1909) was born twenty years before Freud. He was interested in psychology and an admirer of Herbert Spencer. Early he resolved to give up medicine and devote himself to philosophy, but he was persuaded to continue his medical career, and became a neurologist. He had a dynamic and genetic approach rare among the neurologists of that day, but greatly valued by Freud. The germs of many of Freud's ideas and