INDEX 



705 



stridulating organs, 405 



striped muscle, 379 



S trombus, 591 



Strongylocentrotus, 268, 275, 428 



S. drobachiensis, 632 



S. franciscanus, 285 



S. purpuratus, 473 



strontium, 630 



structural colours, 469, 484 



structural proteins, molluscs, 648 



Struthiolaria, 259 



sturgeon, sense cells, 306 



Styela, 453 



style. See crystalline style 



Stylotella, 376, 416 



Suberites, 412, 630 



S. massa, 152 



submergence-times, diving vertebrates, 170 



sucrases, 267 



Suctoria, feeding, 236 



Sula bassana, 245 



suprarenal bodies, 92 ; 526 



surf scoter. See Melanitta 



swim-bladder, 17, 23, 341, 401, 406 



Sycon, 205 



S. cilia turn, 169 



Sycotypus, 235 



symbiosis, 582, 610 



sympathetic nervous system, 431, 520, 524 



Synagoga, 605 



Synalpheus, 341, 405 



Synanceia, 666 



Synanceichthys verrucosus, 667 



Synanceiidae, 666 



Synaphobranchus pinnatus, 402 



synapses, 417, 438 



Syngnathidae, 243 



Syngnathus, 153, 678 



Systellaspis, 537, 543, 544, 561, 562, 577 



S. debilis, 541, 549 



tactile sensitivity, 334, 335 

 Talitrus, 622 

 Talorchestia, 157 

 T. longicomis, 100, 124 

 T. megalophthalma, 152, 160 

 tangosensitivity, 334 

 tanned protein, 637, 641 

 tanning — 



crustaceans, 641 



molluscs, 648 

 tapetum, 318 

 taste, 349 



tautog. See Tautoga 

 Tautoga, 182, 344, 507 

 T. onitis, 88, 179 



Tautogolabrus adspersus, 153, 523 

 Tealia felina, 479, 487 

 tectin, 630 

 teeth, 241, 255 

 teleosts — 



chromatophores, 520 



colour responses, 520 



teleosts (contd.) — 



commensalism, 590 



digestion 273 



excretion, 289, 294, 299 



gills, 143 



hormones, 526 



luminescence, 536, 554, 559, 622 



retinal photomechanical changes, 319 



swim-bladder, 401 



symbiosis, 622 



urine-formation, 300 



See also fish 

 Tellina tenuis, 648 

 telo-taxis, 321 

 Temora, 639 



temperature acclimatization, 157 

 temperature coefficient, 16, 157, 158, 420 

 temperature — 



and digestion, 271 



intertidal zone, 5 



oceans, 15 

 tension of muscle, 382, 383 

 tentacular feeding mechanisms, 224 

 Te rebel la, 173 

 T. nebulosa, 179 

 Terebratalia, 652 

 Teredinidae, feeding, 235 

 Teredo, 235, 261,267, 660 

 T. naval is, 659 

 T. norvegica, 661 

 terns — 



feeding, 246 



See also Sterna 

 terrestrial crabs, 149 

 testicardines, 651 

 tests, Protozoa, 635 

 Tethya, 472, 630 

 Tethys leporina, 152 

 Te thy urn, 264, 271 

 tetramethyl ammonium chloride. See 



tetramine 

 tetramine, actinians, 288 

 Tetraodon maculatus, 163 

 T. pardalis, 353 

 Thalamita, 603 

 Thalassema, 476 

 T. neptuni, 186 

 Thalassicolla, 630 

 Thalassoma bifasciatum, 492 

 T. duperrey, 492 

 Thalassophryne, 667 

 thaliacians, feeding, 221 

 thermal receptors, 355 

 thermal sensitivity, 355 

 thigmotaxis, 335 

 Thompsonia, 603 



Thoracophelia mucronata, 473, 486 

 thresher shark. See Alopias 

 thrombin, 125 

 thrombocytes, 126 

 thromboplastin, 125 

 through-conduction systems, 433 

 Thunnus thynnus, 496 



