Morphology Of Invertebrate Types is a scientific book written by Alexander Ivanovitch Petrunkevitch in 1916. The book provides a detailed description of the morphology of different types of invertebrates, including arthropods, mollusks, annelids, and echinoderms. The author discusses the anatomical structure of each type of invertebrate, including their external and internal features, as well as their developmental stages.The book is divided into...