Spongioderma, [351]
Spongocardium gilchristi, [215]
Spongodes, [330], [335], [348], [349]
Spongophare, [210]
Spontaneous, generation, [42] f.;
rendered improbable by life-histories of Flagellates, [118];
—movements of Protista, [23]
Sporange (= a sac containing spores), of Myxomycetes, [91] f.;