**American Journal of Science and Art, Volume 50 (First Series) General Index to Forty-Nine Volumes** The American Journal of Science and Art, Volume 50 (First Series) A General Index to the Forty-Nine Volumes contains significant information covering a wide range of subjects, from the natural sciences to the arts. This volume offers the reader a unique opportunity to consult a consolidated index to the previous forty-nine volumes of the journal, which is an invaluable source of information. "American Journal of Science and Art" is known for its methodical and scientific value and offers readers the study of the latest research in all fields of knowledge. This book will allow a better understanding and appreciation of the achievements in science and art during the previous volumes of the magazine.