182 



INDEX. 



Sertularia, 45 

 Sestrodictyon, (fig.) 33 

 Sharpe, D., 170 

 Ship-worm, 181 

 Shrubsole, G. W., 120 

 Sieberella, 112 

 Silicispongiae, 32 

 Siphoiiia, 36, (fig.) 40 

 Siphonotreta, 113 

 Sladen, W. P., 69 

 Slimonia, (fig.) 87, 88 

 Sloane, Hans, 7 

 Smilotrochus, 56 

 Smith, Wm., 6, pi. ii 

 Smithia, 54 

 Smittia, 121 

 Snail, 124 

 Solander, D. C, 8 

 Solaster, 69 



Sowerby, G. B., 10 ; J., 10, 



129, 131, 134, 167, 175; 



J. de C, 10, 130, 131, 167 

 Sowerbya, 135 

 Spencer, W. K., 69 

 Sphaera, 133 

 Sphaeractinia, 48 

 Sphaerexochus, 86 

 Sphaeronis, 65 

 Spider-crab, 102 

 Spiders, 92 

 Spinigera, 135 

 Spintharophora, 38 

 Spirifer, 113, (fig.) 114, 115 

 Spirillina, 20 

 Spiroceras, 171 

 Spirorbis, 78, (fig.) 79 

 Spirula, (fig.) 150, (fig.) 155, 



156, 175 

 Spirulirostra, (fig.) 155, 156, 



175 



Spirnlirostrina, 175 



Spondylus, 131, (fig.) 132 



Sponges, 29 



Spongilla, 38, 39 



Sporadoscinia, 42, pi. i 



Spumellaria, 26 



Squid, (fig.) 145, (fig.) 155, 157 



Squilla, 97 



Stacheia, 19 



Star-fish, 68 



Staurocephalus, (fig.) 85, 86 

 Staurodermidae, 35 

 Steganoblastus, 68 

 Stelletta, 41 

 Stellispongia, 42 

 Stenopidea, 98 

 Stenopora, 117 

 Stephanocare, 86, pi. v 

 Stephanoceras, 169 

 Stephanophyllia, (fig.) 56, 57 

 Stepheoceras, 169 

 Stichophyma, 41 

 Stirpulina, 130 

 Stoliczkaria, 48 

 Stomatopoda, 97 

 Stomatopora, (fig.) 118, 121 

 Stratigraphical series, 4 

 Streptelasma, 51 

 Streptoneura, 125 

 Strigoceras, 169 

 Stringocephalus, 113 

 Stromatopores, 48 

 Strombodes, 53 



Strzlecki, P. E. de, 142 

 Stiirtz, B., 69 

 Sturtzaster, 69 

 Stutchbury, S., 134 

 Stylocoenia, 57 

 Stylonurus, 87, 88 

 Styracoteuthis, 175 

 Subclymenia, 163 

 Swimming crab, 103 

 Sycettidae, 31 

 Sympterura, 70 

 Syncarida, 95 

 Syncyclonema, 132 

 Synhelia, (fig.) 56 

 Synocladia, 121 

 Syringolites, (fig.) 51 

 Syringopora, 51, 52, (fig.) 53, 

 54 



TANGANYIKA, 136 

 Tellina, 128 

 Telotremata, 113 

 Temnechinus, 75 

 Temnocheilus, 163 

 Temnopleurus, 74 

 Tentaculites, 141 

 Terebratella, 109 

 Terebratula, 111, 112, 113, 

 115 



Teredina, 131 

 Teredo, 131 

 Testicardines, 112 

 Tetrabranchia, 146 

 Tetracladina, 36 

 Tetracoralla, 51 

 Tetractinellida, 35 

 Tetragraptus, 47 

 Teuthopsis, 176 

 Textularia, 19, (fig.) 21, 23 

 Textiilariidae, 19 

 Thalassinidea, 100 

 Tliamnastraea, 55 

 Theca, 141 



Thecosmilia, 55, (fig.) 56 

 Thelphusa, 103 

 Thenarocrinus, 61 

 Thenops, 100 

 Theonoa, 121 

 Thlipsura, 93 

 Tholiasterella, 39 

 Thracia, 133, 135 

 Tissotia, 170 

 Tornoceras, 165 

 Toucasia, 133, 143 

 Trachyceras, 167, (fig.) 168 

 Trachynotus, 102 

 Trachyteuthis, 176 

 Tracks, 14 



Tremacystia, (fig.) 30 

 Trematis, 113 

 Trematonotus, (fig.) 140 

 Trepostomata, 117 

 Tretenterata, 111 

 Tretocalix, 42 

 Triarthrus, 83, (fig.) 84, 85 

 Trichites, 137 

 Tricolia, 127 

 Tridonta, 128 



Trigonia, 126, 133, 134, 135, 



136, 137, pi. vi 

 Trigonoceras, 162 

 Trigonosemus, 115 

 Trilobita, 81, 82 



Trimerella, 112 

 Trimerocephalus, 86 

 Trinucleus, 84, 86 

 Tritonofusus, 127 

 Trochammina, 19, (fig.) 21, 

 23 



Trochoceras. 161 

 Trochocyathus. 57 

 Trochocystis, 65 

 Trocholites, 161 

 Trophon, 127 

 Tropidaster, 69 

 Truncatulina, (fig.) 21 

 Tubipora, 49, 51 

 Turbinolia, (fig.) 57 

 Turbinolidae, 57 

 Turbo, 138 

 Turrilepas, 95 

 Turrilites, (fig.) 172, 174 

 Turritella, 127 

 Type-specimens, 3, 11 



UDORELLA, 99 

 Uintacrinus, 63 

 Ungulite Grit, 111 

 Unio, (fig.) 128, 133, 134, 137 

 Uranaster, 68 

 Uronectes, 96 



VAGINELLA, (fig.) 144 

 Vasseuria, 175 

 Ventricola, 128 

 Ventriculites, (fig.) 34, 41 

 Ventriculitidae, 35 

 Vermetus, 79, 131 

 Vermiceras, 167 

 Verruculina, 38, 41 

 Vestinautilus, (fig.) 162, 163 

 Vibracula, 119 

 Vicary, W., 139 

 Vicarya, 133 

 Virgulina, 20 

 Viviparus, 129, 133 

 Volsella, 129, 131, 135, 136 

 137 



Voluta, 129, 130, 131 



WALCOTT, C. D., 45, 83 



Walker, J. F., 115 



Waterbugs, 107 



Watson, Wm., 13 



Webbina, 23 



Websteria, 57 



Whelk, 125 



Whidborne, G. F., 140 



Wood, S. v., 10, 11 



Woods, H., 131 



Woodward, B. B., 128; H., 



85 ; S., 131 

 Worms, 76 

 Wright, T., 73, 167 



XANTHOPSIS, 103 

 Xanthosia, 103 

 Xenophora, 130, 131 

 Xiphosura, 88 

 Xiphoteuthis, 175 

 Xylobius, 104 



ZAPHRENTIS, 54 

 Zeuglopleurus, 74 

 Zoantharia, 48, 49 

 Zygocrinus, 67 



