INDEX 



Abraxas, 203, 238, 241 



Acquired characters, inheritance 



of, 337 ff : 

 Actinia equina, 361 

 Adaptation, 12, 318 ff.; to life in 



caves, 319 ff.; fresh and salt 



water, 327 ff.; poisons, 332 ff.; 



temperature, 334 ff.; caused by 



hormones, 342 

 Addison, W. H. F., 188 

 Agglutination, of corpuscles by 



sera, 67 ff.; of sperm, 78, 82 ff. 

 Allolobophora terrestris, 46 

 Alpheus, 176 



Alytes obstetricans, 337, 338 

 Amanita phalloides, 63 

 Amblystoma, 157, 368 

 Amelung, 184 

 Amphipyra, 283 

 Analogies between living and 



dead matter, 14 ff. 

 Anaphylaxis reaction, 61 ff. 

 Ancel, 158, 225 ff. 

 Antagonistic salt action. See 



Balanced salt solutions. 

 Antennularia antennina, 194, 196 

 Apes, blood relationship to man, 



54, 56 ff- 

 Apolant, 45 

 Arbacia, 75 ff., 96, 99, 101, III, 



114, 150, 190 ff., 293 ff., 298, 



299, 364 

 Arenicola, 277 



Armstrong, E. P., 26, 28, 354 



Arrhenius, S., 33 ff., 88, 290,296 



Arrhenoidy, 218, 225 



Artificial parthenogenesis, 95 ff.; 

 in sea urchins, 95 ff.; new 

 method of, 98, 99; by blood, 

 101 ff.; by sperm extract, 103; 



by acids, 105; by mechanical 

 agitation, 107; in starfish, no; 

 role of hypertonic solution, 112, 

 115, 116; and oxidation, 116, 

 117, 118; and permeability, 

 119 ff.; in frogs, 124; and de- 

 termination of sex, 125 



Artificial production of life, 38-39 



Assimilation of CO 2 without 

 chlorophyll, 17 ff. 



Astenas,49, 81, no, 363; ochracea, 

 73 ff.; capitata, 74 



Asterina, 75, 81, no 



Astrospheres, nsff., 192 



Auer, J., 315 



Autolysis, 351 ff. 



Avena, 263 



B. colicommunis,^6; typhosus, 36; 



fluorescens, 334 

 Bacteria, growth of, 15 ff., 29, 71 



ff.; specificity in, 41 ff. 

 " Bacterio-purpurin, " 41 

 Balanced salt solutions, 307-317; 



theory of, 317; and adaptation, 



331 ff- 

 Ba'amis, 259 



Baltzer, F., 215 ff. 



Bancroft, F. W., 70, 125, 127, 264, 



269 ff. 

 Bang, 63 



Bardeen, C. R., 174 ff. 

 Barnacle, larvae of, 313 ff. 

 Bataillon, 124 



Bateson, W., 230, 240 ff., 338, 348 

 Batrachia, 338 

 Baur, E., 48, 246 

 Bayliss, 63 

 Becqucrel, P., 36 ff. 

 Bcggiatoa, 19 



371 



