Description A Free-crawling young animal. B Slightly-squeezed, mature animal C. Organization scheme of a squeezed animal. D. Bursal pieces on a squeezed animal. E. Organization of the locomotory muscles of the proboscis form the right hand side. F. Terminal organ next to the proboscis. G. Copulatory organ on a squeezed animal. H. Crawling animal of the North Sea coast. I and K. Bursal pieces of squeezed animals from the North Sea coast. - A, B, C, E, F and H freehand, D, G, I and K with camera lucida. D and G 1110x , I and K 1060xAuthor Karling, 1952PNG file - 65.50 kB - 694 x 732 pixelsadded on 2017-04-07750 viewsERMS taxaScan of photoCicerina tetradactyla Giard, 1904checked Tyler, Seth 2017-04-07 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License
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