Smith, F., on Mellinus arvensis, [123]

Snails, enemies of, [205], [222], [510];

parasite of, [495]

Social, bees, [35];

wasps, [78], [84]

Sociales, [20], [53] f.

Solanum dulcamara, beetle on, [232]

Soldiers, [132]

Soldier-ant, [150]

Solenobia, [395], [430]