INDEX 



Acanthocystis, myopodia of, 252 

 Accessory disc, 24,3 

 Achromatic nuclear substance, 91 

 Actinosphcerium, adaptation of, to 

 stimulus, 357 



chemical stimulation of, 307 



double refraction of, 99, 560 



fatigue of, 460 



galvanic stimulation of, 420, 473 



mechanical stimulation of, 379, 382, 

 386 



polar excitation of, 420, 473 

 Adaptation, 179, 182, 208 



individual, 183 



phyletic, 185 



to stimulus, 357 

 Adenin, 108, 109, 162, 175, 305, 482 

 jEthalium septicum, chemotaxis of, 430 



phototaxis of, 449 



Plasmodium of, 72 



rheotaxis of, 444 



thermotaxis of, 452 

 ^jrarjcus, luminosity of, 255 

 Albmninoids, 108 

 Albumins, 107 

 Albumoses, 152 

 Alchemy, 55 



Aleurone-grains, 83, 105, 108, 172 

 Algce, 316 



Amhlyntoma, polar excitation of, 41S 

 Amcsha, action of cold upon, 289, 394 



action of heat upon, 291 



action of solutions upon, 184 



artificial division of, 295, 508 



as organism without organs, 119 



axial orientation of, 498 



behaviour of non-nucleated pieces of, 

 508, 512 



chemical stimulation of, 367 



development of, 204 



effect of withdrawal of oxygen from, 

 284, 561 



electrical stimulation of, 419, 423, 493 



excretion by, 169 



food-vacuoles of, 144, 169 



galvanotaxis of, 457 



Amoeba, ingestion of food )i}', 143 



inheritance in, 544 



mechanical stimulation of, 382, 386 



movements of, 235, 561 



narcosis of, 375 



polar excitation of, 419, 493 



reproduction of, 192 



spherical form of, in death, 327 



thermal stimulation of, 392, 472 



thermotaxis of, 452 

 Amojboid movement, 234, 284, 560 

 Amphimixis, 317 

 Amphipyrenin, 92 

 Amyloid metamorphosis, 491 

 Amyloid substance, 334 

 Anabiosis, 130 

 Anaerdbia, 287 



Anaesthetics, action of, 337, 371, 469 

 Anastatica, swelling movements of, 223 

 Anatomy, comparative, 313 

 Anaximander, 8 

 Angiosperma' , 316 

 Aniiiia, 12, 1(3 

 Animals, assimilation in, 160 



cold-blooded, 217, 257, 288 



genealogical tree of, 316 



metabolism of, 164, 173 



nutrition of, 138, 274 



warm-blooded, 217, 257 

 Animistic system of Stahl, 16 

 Anisotropic substance, 243, 245 

 Anode, 405 



Anoplirys, chemotaxis of, 436 

 Apoplexy, 335 



Apposition, growth by, 122, 168 

 ArceUa, specific gravity of, 98, 229 

 Ariihceopteryx, 314 

 Arrhtna, van Helmont's doctrine 



concerning, 13 

 Aretieus, 9 

 Argentieri, 12 

 Aristotle, 9 



Aro'idece, production of heat bj-, 25S 

 Artemia Milhausenii, 183 



salina, 183 

 Arthropjoda, 317 



