TY - JOUR T1 - On the Constitution and Mode of Formation of Food Vacuoles in Infusoria, as Illustrated by the History of the Processes of Digestion in Carchesium polypinum. JF - Proceedings of the Royal Society of London (1854-1905) VL - 54 SP - 466 EP - 472 PY - 1893/01/01/ UR - http://dx.doi.org/10.1098/rspl.1893.0093 M3 - doi:10.1098/rspl.1893.0093 AU - Greenwood, M. ER -