June 1910 Issue [Article] Microscopic animals of the sea Download PDF Adjust Share Their relation to the beginnings of life and mind by Howard J. Shannon, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Evolution Marine invertebrates Microorganisms Naturalists United States More from Howard J. Shannon Do Insects Migrate Like Birds? The foster-children of the shore A September day on the shore Adjust Share