Economic uses of Foraminifera, [69] f.

Ectocoele, [367]

Ectoderm, [246]

Ectoplasm (= ectosarc), [6], [46] f., [50];

of Amoeba, [5];

of Rhizopoda, [51] f.;

of Heliozoa, [71] f.;

of Radiolaria, [79] f. (see also Extracapsular protoplasm);

regeneration of, in Radiolaria, [35];

of Collozoum inerme, [76];