Strophodus magnus, [587].
Structure of coniferæ, [57].
------------ vegetables, [55].
Studd Hill, [843].
Stutchbury, Mr., researches of, [265], [713].
Stuttgart, Würtemberg, [805].
Stylastritæ, [287].
Sub-Apennines, [503].
Sub-Himalayas. See [Siwalik Hills].
Submerged forests, [70].