Description Fig.23. Transverse section through Derostoma balticum n. sp. 70/1 Fig. 24. Part of a median longitudinal section of Derostoma balticum n. sp. 168/1. Fig. 25. Section through the empty uterus of Derostoma balticum n. sp. 68/1Author Braun, 1885PNG file - 105.27 kB - 640 x 612 pixelsadded on 2017-04-07211 views This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License