Excerpt from The American Journal of Science and Arts, Vol. 47: Whole Number, XCVII; Nos. 139, 140, 141; January, March, May, 1869 Xxxh - Note on the structure of the Blastoidea; by E. Billings, XXXIII. - Notes on the occurrence and composition of the Nodular Phosphates of South Carolina; by charles U. Shepard, Jr. 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.