Hawaiian And Other Pacific Echini: The Salenidae, Arbaciadae, Aspidodiadematidae, And Diadematidae is a book written by Alexander Agassiz in 1908. The book is a comprehensive guide to the different species of echinoderms found in the Pacific Ocean, specifically the Salenidae, Arbaciadae, Aspidodiadematidae, and Diadematidae families. The book includes detailed descriptions of each species, including their physical characteristics, habitat, and behavior...