-------- pentacrinites, [284].
-------- plants, structure of, [55], [62].
Sigillariæ, [128].
Steneosaurus, [676].
Sternbergia, [168].
Sternum of ichthyosaur, [667].
---------- plesiosaur, [667], [672].
Steyning, Sussex, [459], [471].
Stigmaria ficoides, [133].
Stigmariæ, the roots of sigillaria and lepidodendron, [132], [139].