Scope and Contents This volume contains Rehn's documentation of his 1923 expedition to Jamaica and Costa Rica between July 11th and September 23rd (pages 1 to 178).The first portion of this volume documents Rehn's days at sea en route to Jamaica, from the 11th to the 15th of July. After his arrival at Kingston, Rehn spent most of his time in Jamaica exploring the slopes and peaks of the Blue Mountains. Most of his journal entries from Jamaica present accounts of his going from his base of...