Soft Tortoises.
_Solarium_.
Solenhofen Slates.
Solitaire.
_Spalacotherium_.
_Spatangus_.
_Sphoerospongia_.
_Sphagodus_.
_Sphenodon_.
_Sphenopteris_.
Spiders of the Coal-measures.
Spider-shells.
Spindle-shells.
_Spirifera; crispa; disjuncta; hysterica; mucronata; Niagarensis;
rostrata; sculptilis; trigonalis_.
_Spiriferidoe_.
_Spirophyton cauda-Galli_.
_Spirorbis; Arkonensis; Carbonarus; laxus; Lewisii; omphalodes;
spinulifera_.
_Spirulirostra_.
_Spondylus; spinosus_.
Sponges, of the Cambrian; of the Lower Silurian; of the Upper
Silurian; of the Devonian; of the Carboniferous; of the Permian;
of the Trias; of the Jurassic; of the Cretaceous.
_Spongilla_.
_Spongillopsis_.
_Spongophyllum_.
Spore-eases, of Cryptogams in the Ludlow rocks; in the Coal.
Squirrels.
_Stagonolepis_.
Staircase-shell.
Stalactite.
Stalagmite.
Star-corals.
Star-fishes.
St Cassian Beds.
_Stephanophyllia_.
_Stereognathus_.
_Stigmaria; ficoides_.
Stonesfield Slate; Mammals of.
Strata, contemporaneity of.
Stratified rock.
_Streptelasma_.
_Streptorhynchus_.
_Stromatopora; rugosa; tuberculata_.
_Strombodes; pentagonus_.
_Strombus_.
_Strophalosia_.
_Strophodus_.
_Strophomena; alternata; deltoidea; filitexta; rhomboidalis;
Subplana_.
Sub-Apennine Beds.
Sub-Carboniferous rocks.
Succession of life upon the globe.
Pages:
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626