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 



Amhly stoma, 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, loi, III, 



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



299, 364 



Arenicola, 277 



Armstrong, E. F., 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, 

 loi ff.; by sperm extract, 103; 



by acids, 105; by mechanical 

 agitation, 107; in starfish, no; 

 r61e 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 CO2 without 

 chlorophyll, 17 ff. 



Astenas,/\.g, 81, no, 363; ochracea, 

 73 ff.; capitata, 74 



Asterina, 75, 81, no 



Astrospheres, 115 ff., 192 



Auer, J., 315 



Autolysis, 351 ff. 



Avena^ 263 



B. colt communis, ^6; typhosus, 36; 



fluorefcens, 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. 

 Balanus, 259 

 Baltzer, F., 2i5ff. 

 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 

 Bccquerel, P., 36 ff. 

 Beggiatoa, 19 



371 



