INDEX 
POT. 
Sternarchus, 579; 8. albifrons, 580; 8. 
macrostoma, 580 
Sternoptychinae, 97 
Sternoptyx, 571; S. diaphana, 571, 178 
Sternopygus, 979 
Ntichonodon, 575 
Sticklebacks, 630, 163, 169, 
357 
Stigmata, 47; of Appendicularians, 67 ; 
of Cyclomyaria, 95 
Stigmatophorus, 634, 635 
Stolon, 71, 93, 95, 97, 103 
Stolonial budding, 81 
Stomatorhinus microps, 541 
Stomias, 671, 572 
Stomiatidae, 570, 545 ; photophores, 178 
Stomiatinae, 977 
Stomodaeum, 59, 120, 136 
Storms, 691 n. 
Stratodus, 623 
Strepsodus, 479 
Stridulation, 856 
Stromateidae, 643, 637 
Stromateoides, 643 
Stromateus, 643 
Sturgeon, 154, 334, 493 ; = Acipenser, q.v. 
Styela. 74, 763; branchial sac, 74; 8. 
bythia, 76; S. clava, 76; S. etheridgii, 
dorsal tubercle, 79; S. squamosa, 76 ; 
S. whiteleggii, dorsal tubercle, 79 
Styelinae, 74; tentacles, 75 
Styelopsis, 74; branchial sac, 74; S. 
grossularia, 74, 76 
Stygicola, 713 
Stygogenes, 995 
Stylophorus, 716 
Sucker-Fish (Sucking-Fish), 691, 161 
Sudis, 611; S. gigas, air-bladder as a 
respiratory organ, 291 
Sun- Fish, 657 (Lepomis); 727 (Ortha- 
goriscus)—see also Orthagoriscus 
Supra-pericardial organs, 344 
Supra-renal bodies, 346, 346 
Surf-Fishes, 670 
Swinnerton, 573, 627, 636 n. 
Sword-Fish, 681, 154 
Symbranchidae, 597, 283, 294 
Symbranchii, 597 f. 
Symbranchus, 597, 598, 156 
Symphurus, 687 
Symphysodon, 672 
Synagris, 664 
Synagrops, 659 
Synancia, 695; S. verrucosa, poison-glands, 
ia 
Synaphobranchidae, 603 
Synaphobranchus, GO3 
Synapticula, 13, 12, 122 
Synaptura, 687 
Synascidiae, 80, 3 
Synchirus, GIS 
Synechodus, 443 
288, 354, 
or 
Syngnathidae, 634, 627, 628, 163, 205, 
251, 354, 361, 416; colours, 166 ; pro- 
tective coloration, 172 
Syngnathus, 634, 627, 685; mouth, 154 ; 
S. acus, 262, 271; S. intestinalis, 635 ; 
S, pelagicus, 634 
Synodontis, 588, 590, 359; S. batensoda, 
591; S. decorus, 591; S. membranaceus, 
591 
Syntegmodus, 549 
Tadpole, Ascidian, 59, 62 
Taentolabrus, 706 
Taeniosomi, 774 f., 651, 652 
Tamiobatidae, 46.2 
Tamiobatis vetustus, 462 
Turactes, 682 
Tarpon, 547 
Tarrasiidae, 477 n. 
Tarrasius problematicus, 477 n. 
Tattersall, 137 n. 
Tauredophidium, 712, 713 
Tauroglossus, 17 1. 
Tautoga, 673 
Taylor, 599 n. 
Tectospondylic, 198 
,Teleostei, 504, 541 f. 3 classification, 542, 
543, 149 
Teleostomi, 475 f., 149 
Telepholis, 615 
Telescope Fish, 585 
Telescops, G59 
Tellia, 616 
Telmatherina, 659 
Telolecithal, 409, 410 
Tench, 583, 171, 260, 320, 321 
Tentacles, of Ascidians, 44 ; of Amphioxus, 
116 
Test, 40, 63; of Appendicularians, 65 
Testa-cells, 56 
Tethyum, 36 
Tetragonopterus, 575 
Tetragonuridae, 642, 637 
Tetragonurus cuvieri, G42 
Tetranematichthys, 589 
Tetrapturus, 6SO ; T. belone, 680 
Tetrauroge, 695 
Tetrodon, 726, 152, 354, 361; warning 
colours, 163; scales, 191; teeth, 251 ; 
T. honckenti, 362 ; T. mbu, pectoral arch 
of, 722 
Tetrodontidae, 726, 722 
Tetronarce, 464 
Teuthis, 669 
Teuthididae, G68, 654 
Thalassophrune, 711; T. reticulata, poison 
glands, 177 
Thalassothia, 711 
Thaleichthys, 566 
Thalia, 108; T. 
108 
Thaliacea, 95 f., 38, 64, §1, 110 
democratica-mucronata, 
