of Stylonychia mytilus, [139] f.;
of Metopus, [154];
of Caenomorpha uniserialis, [155];
posterior, of Vorticella, [156], [157]
Wrightella, [351]
Wrisburg, on organisms of putrefaction, [43]
Würmchen, of Gaule, a name for Lankesterella, [102]
Xenaster, [476]