Spongilla fluviatilis, larva in, [467]

Spontaneous generation, [525]

Spring of Collembola, [191]

Spurs, [104]

Stadium, [155], [158]

Stalked, cocoons, [560];

eggs, [469]

St. Augustine quoted, [85], [565]

Stein on Raphidia larva, [448]

Stelis, parasitic, [544];