782 
STUDIES IN GENERAL PHYSIOLOGY 
TEMORA LONGICORNIS: change of sense 
of heliotropism in, 282. 
TEMPERATURE: effects of, on Porthesia, 
36; on Musca larve, 65; on Polygor- 
dius, 274; on depth-migrations, 293. 
TENEBRIO MOLITOR: heliotropism in, 70; 
stereotropism in, 71. 
TENTACLES: formation of, in Cerianthus, 
145-152, 160. 
THYSANOZOON BROCCHII: regeneration 
in, 221; brain physiology of, 347 ff. 
TOXOPNEUSTES: natural parthenogene- 
sis in, 684. 
TRADESCANTIA: influence of oxygen on 
formation of cell wall, 384. 
TRANSFORMATION OF ORGANS: in Hy- 
droids, 627 ff.; basis of, 634 ff. 
TuBEs: formation of, in Cerianthus, 164, 
TUBULARIA: heteromorphosis in, 118, 
215; stereotropism in, 174; irritability 
and organization of, 211; regulation 
and _ concentration of sea-water in, 
222 ff. ; effect of salts on growth of, 230, 
242 ff.; regeneration of, 336. 
TUBULARIA CROCEA: organization of, 214, 
ea a INDIVISA: growth of polyps 
in, 127. 
TUBULARIA MESEMBRYANTHEMUM: heter- 
omorphosis in, 120-27; morphology of, 
121; laws governing reactions of, 125; 
conditions of growth of polyps of, 127; 
internal causes of organization in, 205; 
stereotropism in, 213. 
TuUNICATES: heteromorphosis in, 627. 
TurRGoR: importance of, in growth, 162 
f., 175. 
” 
VARIATION: in irritability, 40. 
VASCULAR SYSTEM: development of, 297. 
VIOLET RAYS: influence of, on growth, 
426 ff. 
ViEAG FORCE: anthropomorphic idea, 
114. 
VOLUNTARY MOVEMENTS: influence of 
physical laws on, 107, 109, 110. 
Wasps: Lubbock’s experiments on, 11. 
WATER FLEAs: effect of light on, 8. 
WATER RIGOR: influence of dilute sea- 
water on, 327. 
WILL: subject to physical influences, 
107, 109. 110. 
Worms: brain physiology of, 345 ff. 
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