INDEX 



Acetate, ethyl, fertilizing effect of, 66. 



Acids, clieinical roust it ut ion and rela- 

 tive physiological efficiency of, I'M 

 ff.; monobasic fatty, fertilizing ef- 

 fect of, 67 ff. 



Acniiifii. 2<>7. 



Activation, osmotic, of the unfertilized 

 egg, 57 ff. 



Amphitrite, 12, 63, 265. 



Antedon, 293. 



.4 pus, 46. 



Arbacia, 18 ff., 27 ff., 50, 54. 56, 65, 

 69, 71. 73, 88, 92 ff., 122, 127, 147 ff., 

 159, 165, 186 ff., 194, 197, 201 ff., 

 213, 219, 237, 252, 281; osmotic 

 activation of, 57 ff. ; temperature 

 coefficient, for the velocity of seg- 

 mentation in, 32 ff . ; of oxidations 

 in, 33. 



Arbacia piinctulnta, 222. 



Arbacia pustulata, 221 ff. 



Arbacia pustulosa, 26 ff. 



Arrhenius, 101. 



Artemia, 46. 



A scaris megalocephala, 216. 



.-1 sterias, 12, 197, 203, 281, 284; sperm 

 of, used to fertilize eggs of sea- 

 urchin, 225 ff., 291 ff. 



Asterias forbesii, 63, 243, 252 ff., 255. 



Asterias glacialis, 254. 



Aster ina, 7, 197, 203, 216, 264, 288; 

 artificial parthenogenesis in the eggs 

 of, 250 ff. 



Astrospheres, formation of, 74, 124 ff. 



A mhtinia, 230. 



Baltzer, 293. 



Bancroft, 16, 273, 275, 295, 304. 



Barthelemy, 45 if., 47. 



Bases, activation of the unfertilized 

 egg by, 147 ff. 



Bataillon, 217, 235, 272 ff., 299. 



Batrachus tau, 294. 



Berkeley, Lord, 131. 



Berlepsch, von, 44. 



Blastomeres. fertilization of, with 

 sperm, 237 ff. 



Blood and cell extracts, foreign, ferti- 

 lizing effect of, 191 ff. 



Bohn. (r., 188. 



Bohr, 38. 



Bombyx mori, 44 ff., 47 ff. 



Bonnet, }:<_ 



Boursier, 47. 



Boveri. :i If.. 2<). r,l ff.. 23(5, 240 ff., 303. 



Braehet. 273. 



Bresslau. K., 44. 



Biifn a UK riru tin*, 274. 



Bullot. 265. 



Cell division, prevention of. 71, 7S, s."> ; 



process of, 19ff., ~~> If. 

 ( '( -nt rosomes, format ion of, 71. 124 If. 



Ct,n>-li>,,t,-ni.'<. 4. 6. 53 ff., <)3. LM 1 . _'.',. 

 263. 



Chlorostom.i, 2. 230, L'94. 



Chiton, 203. 



Chorophilus fcrinrnin, 274. 



Cleavage, process of. 1'.) ff. 



Cohen, 101. 



Conklin. 29 If., 303. 



Connstein, 39. 



Ctenolabrus. 294. 207. 2!)'.). 



Cuminuin. 10. 269. 



Cytological changes in the partheno- 

 genetic egg, 113 ff., 123 ff. 



Cytolysis, mecliatiism of, 18S ff . ; mem- 

 brane formation and, 173 ff. ; in- 

 duced, with bile salts, 177 ff.; with 

 distilled water, 183 ff. ; with fat- 

 solvents, 181 ff.; with higher fatty 

 acids, 185; with increase of tempera- 

 ture, 185; with isqtonic solutions, 

 186 ff.; with saponin, 115, 174 ff.; 

 with soaps, 178 ff. 



"Cytolysis, black," 89 ff.; white. .u. 



DeGeer, 43. 



Dehorne, 273. 



Delage, 16, 130, 170 ff., 254, 303. 



Delage's solution, 170 ff. 



De Meyer, J., 303. 



Dendrostoma, 191 ff.. 196. 



Development, affected by temperature, 

 73 ff. ; comparison of rate of, in pure 

 and hybrid forms, 295 ff.; is it 

 possible without membrane forma- 

 tion or without corrective factor. 

 219 ff.; morphology of, 17 ff.; tem- 

 perature coefficient of, 101 ff. ; pre- 

 vention of, by lack of oxygen, 25 ff.. 

 77 ff.; by addition of KCN, 2i ff.. 

 77 ff. 



Dewitz, J., 49. 



Disintegration, after membrane forma- 

 tion, prevention of. by addition of 

 KCN or lack of oxygen, 26 If.. 77 f., 

 85 ff . ; by exposure to hypertonic 

 solution, 95 ff . ; of fertilized eggs. 

 after treatment with aerated hyper- 

 tonic sea-water, 89 ff. ; process of, 

 after artificial membrane formation, 

 at room temperature. 74 ff . ; at low 

 temperature, 76. 



Driesch. 240. 



Dzier/on. 43 ff. 



/;.-/( in us, 170, l.ss. 



Kelt in i/.s' microtuberculatua, 303. 



Klder. 217. 22S. 



Electrical conductivity of fertilized ami 



unfertilixed eggs. 122 (T. 

 Kmlirv ogcnrsis from t he sprrmato/oon. 



:>:{ If. 

 Krdmann. M iss. j<>. 



309 



