Southerham, Sussex, [401], [487].
South Joggins, Bay of Fundy, [128], [747].
South Petherwin, Cornwall, [474].
Spatangidæ, [326].
Spatangus planus, [330].
Sphærulites Mortoni, [393], [430].
Sphenophyllum erosum, [146], [148].
------------- Schlotheimi, [147], [148].
Sphenopteris elegans, [112].
------------ Mantelli, [113].