International Series of Monographs in Pure and Applied Biology: Zoology Division, Volume 47: Control of Growth and Metamorphosis details the differences in animal hormones. The title focuses on covering morphogenetic hormones. The selection first defines and classifies morphogenetic hormones, and then proceeds to detailing the sources of hormones related to morphogenesis. Next, the selection tackles growth and mitosis, along with molting and metamorphosis. The last chapter deals with the control of morphogenetic hormones. The book will be of great use to students, researchers, and practitioners of zoology.