Smynthurus variegatus, [191];

S. fuscus, [192]

Snow-Insects, [194]

Social, Insects, [85], [361], [369];

Hymenoptera, [488], [500] f.

Soldiers, [370], [371], [372]

Somites, [87]

Sommer on Macrotoma, [163], [195]

Soothsayers, [242]

Sound production, [358]