INDEX 



495 



gens. 4 ; strychnin, 25 ; quinine, 26 ; 



acclimatization to arsenic, 28. 

 Birds, effect of temperature on growth, 



459. 

 Bismuth, effect on growth, 314. 

 Blasius, compression-rheostat, 127 ; 



electric irritation, 139 ; electrotaxis, 



147-149. 

 Blood-corpuscles, to determine isotonic 



coefBcients, 73 ; effect on, of density, 



76 ; and molar agents, 99. 

 Blunt. See Downes. 

 Body, composition, 294. 

 JBoEE, gold chloride, 46. 

 BoKORNY, hydrogen peroxide a poison, 



3 ; ammonia, 6 ; nutrition of plants, 



299. 

 BoNAEBi, minimum temperature for 



bacteria, 241. 

 Borodin, light and chlorophyll arrange- 

 ment, 187 ; light on spores, 424 ; 



effective rays in fern growth, 432. 

 Boron, and growth, 314. 

 TEN BoscH, quinine and protoplasm, 



26. 

 Bourne, scorpions acclimated to own 



poison, 28. 

 JBoussiNGAULT, free nitrogen as food, 



310. 

 Bbaem, heat and cold on statoWasts, 



425. 

 Branchipus, heat and growth, 458. 

 Brandl, fluorine and growth, 317. 

 Brassica, light on growth, 428. 

 Bkauer, encystment, 256. 

 Brefeld, light and growth of toad- 

 stools, 420. 

 Bromine, and protoplasm, 4 ; and 



growth, 316. 

 Brunchoest, electrotropism, 409-412. 

 Bryonia, light and growth, 419. 

 Bryozoa, desiccation of, 65 ; thigmo- 



tropism, 382. 

 BucHNER, toxic protein compounds, 



22 ; chemotaxis, 33 ; light and bac- 

 teria, 172 ; movement and growth, 



371. 

 Bufo lentiginosus, acclimatization to 



heat, 253 ; heat and growth, 457-460. 

 BuNGE, iron and growth, 321-323. 

 BtJTSCHu, encystment, 256. 

 Butyric acid, chemotaxis towards, 38. 

 Buxton. See Ringer. 



Caesium and growth, 320. 



Calcium and growth, 320. 



Caldani, frictional electricity and 

 growth, 132. 



Calliburces, heat and protoplasmic 

 movement, 227. 



Calmette, immunization, 30. See also 

 Ehrlich. 



Campbell, temperature and proto- 

 plasmic irritability, 230. 



DE Candolle, heat-rigor, 231 ; cold- 

 rigor, 240, 241. 



Cannon, phototaxis of Baphnia, 203, 

 204. 



Carbon, as food, 306 ; oxide of, and 

 protoplasm, 6. 



Carbonic disulphide, and protoplasm, 

 12. 



Carcinus, absorption of salt, 88. 



Cardium edule, acclimatization to 

 density, 86. 



Carnin, chemotaxis towards, 38. 



Cassis, acclimated to sulphuric acid, 28. 



Castle, acclimatization to contact, 

 108; to heat, 253. 



Cat, light on growth of, 426. 



Catalytic poison, action of, 7-9. 



Celi, electrified air and plant growth, 

 408. 



Cell-division and growth, 287. 



Celli, food of Amceba, 328. 



Certes, desiccation of Ciliata, 65. 



Chameleon, pigment response to light, 

 192. 



Chara, and caustic potash, 13. 



Charpentier, cocaine and protoplasm, 

 24. 



Chastaign, oxidizing action of light, 

 162. 



Chemical agents, effect on vital ac- 

 tions, 1 ; acclimatization to, 27 ; and 

 gi-owth, 293. 



Chemotaxis, 32-54. 



Chemotropism, 335 ; in insectivorous 

 plants, 335 ; of roots, 336 ; of pollen- 

 tubes, 337 ; of hyphJB, 340 ; of con- 

 jugation tubes of Spirogyra, 342. 



Chick, water in growth of, 286 ; elec- 

 tricity and growth of, 405 ; heat and 

 growth, 459. 



Chilomonas, phototaxis and photo- 

 pathy, 183. 



Chlamydomonas, thigmotaxis of, 106. 



