cellulose-, [37];

chitinous, [37];

growth of vegetal cell in, [37];

of Protozoa present in dust, [47];

of Centropyxis aculeata, [57];

of Chlamydophrys stercorea, [57];

of Amoeba coli, [57];

of Actinophrys sol, [72];

of Actinosphaerium, [73] f.;

of Flagellata, [109], [117] f.;