Symbolae Sirenologicae is a book on marine mammals, written by Johann Friedrich Brandt and published by the Imperial Academy of Sciences in St. Petersburg. The book covers various species of sirenians, pachyderms, zeuglodonts, and cetaceans, and provides a detailed analysis of their morphology, anatomy, and behavior. This book is a must-read for anyone interested in marine biology or zoology. This work has been selected by scholars as being...