Jelly-fish, [249], [297], [323]
Jennings, on protoplasmic movements, [4] n., [16] n.;
reaction of Protista to repellent stimuli, [20] n., [21] n.
Jensen, on density of living protoplasm, [13] n.;
on protoplasmic movements, [16] n.
Joblot, on organisms of putrefaction, [43];
on Protozoa, [45]
Joenia, [111]
Johnson, [352] n.