Temperature zonation, bases for 89 2 

 Temperatures, ambient 652 



and salinity, optimal 1324 



differ 304 



, different 442 



for ciliary activity, critical 1384 



for spawning, critical 1384 



high in laboratory 723 



, lethal 821 



, limited more by summer than by winter 1779 



, limits north of Cape Hatteras caused by summer 1519 



, limits south of Cape Hatteras caused by winter 1519 



, lower 4 38, 44 3 



, more rapid at high 1153 



, warm acclimated 1401 



Ten Thousand Islands, Fla. 266, 621, 1642 

 Tension 629 



area 211 



maintenance 2103 



Tentacles 281 



, distal whorl of 1833 



extended and outturned, marginal 391 



turned upwards or inwards 391 



Terebra 1459 



Teredo 610, 1147, 1149 

 Terramycin 446 

 Test, positive 247 



River, England (see also River Test) 92, 826, 827 



Tests, field 454 



, medium for presence of food 69 5 



, precipitin 2022 



Tetanus 574 

 Tethium 1848 



Tethys 737 

 Tetracaine 1364 

 Tetrachloroethylene 1149 

 Tetracycline 475, 1362 



phosphate complex 475 



Tetraethylammonium 1975, 2114 



bromide (TEA) 1173, 1985 



Tetrapeptide amide 1497, 2134 



Tetraselmis 1427, 1927, 1931, 1932, 1933, 1934 



Tetrazolium oxidase 1461, 1462 



Tetrodotoxin (TTX) 1854 



Texas 2, 42, 425, 621, 918, 919, 934, 1295, 1303, 1345, 1517, 214* 



, central 1441, 1442 



mollusca 1321 



824 



