STUDIES IN GENERAL PHYSIOLOGY 



TEMORA LONGICORXIS : change of sense 

 of heliotropism in, 282. 



TEMPERATURE: effects of, on Porthesia, 

 36; on Musca larvw, 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. 



THYSANGZOON 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. 



TUBULARIA INDIVISA: growth of polyps 

 in, 127. 



TUBULARIA MESEMBRYAXTHEMUM : 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. 



TUNICATES: heteromorphosis in, 627. 



TURGOR: importance of, in growth, 162 

 ff., 175. 



VARIATION : in irritability. 40. 

 VASCULAR SYSTEM : development of, 297. 

 VIOLET RAYS: influence of, on growth, 



VITAL 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. 



