Harriman Alaska series, Washington, 1910-1914, Alaska, Natural History, Scientific Expeditions, Starfish, Astropecten californicus, The illustration features detailed depictions of starfish, specifically the species Astropygy californicus. Two distinct specimens are presented side by side, highlighting their unique morphological features. The top specimen displays a series of prominent, spiny arm structures extending from a central disc, showcasing the texture and pattern of its surface. The bottom specimen mirrors the characteristics of the top, allowing for a comparative analysis of their anatomical details. Each specimen is numbered for reference, aiding in scientific study and identification of this marine organism.