| author | date | title | journal / publication | Mast SO | 1903 | abs. | Reactions to the Temperature Changes in Spirillum, Hydra and Fresh-Water Planarians. | The American Journal of Physiology. Vol. 10: 165-190, with 2 text figures. Boston 1903. |
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| Dugesia dorotocephala (Woodworth, 1897) | w | other research on this sp. |