""The Structure And Relationships Of Certain Eleutherozoic Pelmatazoa"" is a scientific book written by Edwin Kirk in 1911. The book focuses on the study of certain species of Eleutherozoic Pelmatazoa, a group of marine animals that includes sea lilies and feather stars. Kirk examines the anatomy and morphology of these creatures, as well as their evolutionary relationships and classification within the larger group of echinoderms. The book is highly...