1/1, April 10, 1909-1910(?) 16 pp., 6 pesetas/year.

Rather optimistically, the journal also listed its subscription price in francs for foreign subscribers, who can have been few. It was largely derivative from the work of journals for psychical research in France and England and envisioned the institution in Spain of a Sociedad de Investigaciones Psiquicas Espanola. The issue for March 1910 announced the suspension of the journal for "one or two months" due to differences of opinion that had arisen over the course the journal should take. This probably marked the end of the journal. BNE