Excerpt from Migrations of the Horseshoe Crab, Limulus Polyphemus, in Plum Island Sound, Massachusetts A program of tagging with Petersen disk tags was initiated in 1951 and continued through 1954. A total of horseshoe crabs was tagged and released from flats within Plum Island Sound during these years An additional 141 horseshoe crabs were released from areas outside Plum Island Sound making a total of nearly Limulus tagged in or near Plum Is land Sound. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.