Alaska V13: Land and Fresh Water Mollusks and Hydroids is a book written by William H. Dall and published in 1905. The book is part of a larger series of publications on the natural history of Alaska. This particular volume focuses on the mollusks and hydroids found in the land and fresh water environments of Alaska. The book is divided into two main sections. The first section covers the land mollusks found in Alaska, including snails and slugs...