778 



STUDIES IN GENEEAL PHYSIOLOGY 



CAMPANULARIA : heteromorphosis in, 629. 



CATALYTIC SUBSTANCES: importance in 

 oxidation, 505. 



CATERPILLARS: heliotropism in, 20, 42, 

 74. 



CELL-DIVISION : mechanics of, 389. 



CEREACTIS AURANTIACA: heteromorpho- 

 sis in, 166. 



CEREBRATULUS MARGINATUS: brain 

 physiology of, 356 ft'. 



CERIANTHUS MEMBRANACEUS : secretion 

 of, due to friction, 99; lack of hetero- 

 morphosis in, 116; formation of ten- 

 tactes of, 145; heteromorphosis in, 150; 

 relation between form and irritability 

 of, 152; life phenomena of, 159; impor- 

 tance of turgor in. 162 ff ; external con- 

 ditions in formation of tubes of, 165. 



CH;ETOPTERUS : artificial parthenogene- 

 sis in, 540, 579, 646, 674, 770; specific 

 effects of K ions on, 656. 



CHEMICAL STIMULI : orientation of 

 Mtisca toward, 66. 



CHLOROPHYLL-BEARING PLANTS: influ- 

 ence of light on movements of proto- 

 plasm of, 6. 



CHROMATOPHORES : distribution in Fun- 

 dulus, HOO. 



CIONA INTESTINALIS: organization of, 

 215; regeneration of nervous system of, 

 217; threshold of stimulation of, 219. 



CLADOCORA : geotropism in, 201 ; hetero- 

 morphosis in, 250. 



CLEAVAGE: general remarks, 253 ff . ; 

 lack of oxygen and, 373 ff; carbon di- 

 oxide and, 393 ff. ; pure oxygen and, 394. 



CLEPSINE : oxygen necessary for matu- 

 ration of eggs of, 734. 



COCCINELLA : geotropism in, 85, 179. 

 COCKROACH : geotropism in, 86, 182. 



COLOR PREFERENCE: anthropomorphic 

 idea of, 16. 



COMPENSATORY MOVEMENTS : influence 

 of inner ear on, 186. 



CONTACT-STIMULI: effect on orientation, 

 193; effect on organization of, 214. 



COPEPODS: heliotropism of, 282; change 

 of sense of heliotropism, 283 ff., 417. 



CRYPTOPS: stereotropism in, 110. 



CTENOLABRUS : influence of lack of oxy- 

 gen on, 378 ff . ; influence of carbon di- 

 oxide on, 893 ff. 



CUCUMARIA CUCUMIS: geotropism in, 

 180 ff. 



CUMA RATHKII : heliotropism in, 73 ff . 



CYCLAS: effect of hydrogen on heart-beat 

 of, 417. 



DAPHNIA PULEX : Bert's anthropomor- 

 phic idea of, 9; Lubbock's idea of 

 "preference" in, 10. 



DEPTH DISTRIBUTION AND MIGRATION: 

 conditions determining, 289 ff. 



DEVELOPMENT OF ORGANS: influence of 

 light on, 425 ff. 



DIVISIBILITY OF MATTER : orientation of 



particles, 117; limits of, 321 ff. 

 DROSERA : reactions of, 286. 



EARTHWORMS: heliotropism in, 73, 77; 

 brain physiology of, 357 ff. 



ECHINUS : segmentation not influenced 

 by light, 427. 



ELECTRICAL, WAVES: physiological ef- 

 fects of, 482 ff . 



EMBRYONIC TISSUE: effects of ions on, 

 565 ff. 



EPHEMERID^E : geotropism in, 44. 

 EUDENDRJUM RACEMOSUM : heliotropism 



in. 106; heteromorphosis in, 140, 172; 



influence of light on growth of, 428. 

 EUGLENA : influence of direction of rays 



on, 14; influence of refrangibility of 



rays on, 14; sensitive spot of, 77. 



EYES : relation between irritability and, 

 56. 



FERTILIZATION : nature of, 539, 620, 638, 

 646; theory of, 683, 740. 



FLY (LARV.E): heliotropism of, 20, 68, 



lOo* 



FORFICULA AURICULARIA: heliotropism 

 of, 22; stereotropism of, 110, 158. 



FREEZING : effects of, 225. 



FRICTION : a cause of movement, 107, 110. 



FUNDULUS : development of embryo of, 

 295 ff. ; sensitiveness to lack of oxygen, 

 309, 397; effects of lack of oxygen on 

 cardiac activity of embryos, 404; in- 

 fluence of light on embryos of, 434; 

 effects of ions on, 550 ff . ; partheno- 

 genesis in, 682. 



FUSION : of cleavage cells through lack 

 of oxygen, 383. 



GALVANOTROPISM: of Amblystoma, 440 

 ff. ; theory of, 440 ff . ; of Crustaceans, 

 447. 



GAMMARUS LOCUSTA : heliotropism in, 73. 

 GASTROSTYLA: divisibility of, 321. 

 GEOMETRA PINIARIA: heliotropism in, 40. 



GEOTROPISM: in Porthesia chrysorrhoea, 

 33; in Lepidoptera, 43; in Amphipyra, 

 44; in Bombyx, 85; theory of, 102; in 

 Hyclroids, 174 ff . ; in free-swimming 

 animals, 178; in Asterina, 183; depend- 

 ence on inner ear, 185; influence of, on 

 axis of eyes, 186; in Antennularia au- 

 tennina, 251; relation of, to heliotro- 

 pism, 285; in Loligo, 292; in star-fish, 

 292. 



GONIONEMUS: effects of ions on 553, 559; 



parthenogenesis in, 682, 754. 

 GONOTHYREA LOVENII : abnormality of 



growth in, 144; heteromorphosis in, 



173. 



GRAVITATION: relation to light, 95, 105; 

 effects of, on Cerianthus, 107, 109, 154 

 ft'.; effect of, on orientation of body, 



