36: 



INDEX OF AUTHORS 



114; ovarian ova, 115; fertilization, 135; 

 tetrads in Ophryotrocha, 201 ; physiology 

 of nucleus, 252, 254-256; polarity of 



egg, 287. 



Kossel, chromatin, 241; nuclein, 243; or- 

 ganic synthesis, 247. 



Kostanecki, position of centrosome, 40. 



Kostanecki and Wierzejski, fertilization of 

 Physa, 131, 136, 143, 159; continuity of 

 centrosomes, 144; collision of asters, 231. 



Krause, polymorphic nuclei, 82. 



Kupffer, cytoplasm, 29. 



Lamarck, inheritance, 10. 



Lamarle, minimal contact-areas, 269. 



Lankester, germinal localization, 297. 



Lauterborn, mitosis in diatoms, 65, 67. 



Lebrun, position of centrosome, 40. 



Leeuwenhoek, spermatozoon, 7 ; fertiliza- 

 tion, 130. 



von Lenhossek, nerve-cell, 16, 33; centro- 

 some, 224. 



Leydig, cell, 14; protoplasm, 17; cell-mem- 

 brane, 38; spermatozoa, 106; eUmination 

 of chromatin, 117. 



Lilienfeld, staining-reactions of nucleins, 

 242, 243. 



Lillie, regeneration in Stentor, 249. 



Loeb, regeneration in coelenterates, 293, 

 325; theory of development, 322; envi- 

 ronment and development, 324. 



Lustig and Galeotti, pathological mitoses, 

 68; centrosome, 224. 



Maggi, granules, 21. 



Malfatti, staining-reactions of nucleins, 242. 



Mark, spiral asters, 57; germ-nuclei, 153; 



polar bodies, 175; promorphology of 



ovum, 287. 

 Mathews, pancreas-cell, 31; fertilization of 



echinoderms, 124, 135, 143, 157; nucleic 



acid, 247. 

 Maupas, sex in Rotifers, 108; rejuvenes- 

 cence, 129; conjugation of Infusoria, 165, 



168. 

 McMurrich, gasteropod development, 115; 



metamerism in isopods, 291. 

 Mead, fertilization of Chcctoptertis, 143; 



sperm-centrosome, 226. 

 Merkel, Sertoli-cells, 208. 

 Mertens, yolk-nucleus and attraction-sphere, 



116-121. 

 Metschnikoff, insect-egg, 284. 

 Meves, amitosis, 81-85, 209. 

 Miescher, nuclein, 240. 

 Mikosch, protoplasm, 31. 



Minot, rejuvenescence, 129; cyclical divi- 

 sion, 163; theory of sex, 183; Sertoli-cells, 

 208; parthenogenesis, 202. 



von Mohl, protoplasm, 13. 



Moore, spermatozoon, 123-126; reduction, 

 189, 201. 



Morgan, fertilization of egg-fragments, 148; 

 effect of fertilization, 149; numerical rela- 

 tions of cells, 288; isolated blaslomeres, 

 309; experiments on ctenophores, 315; 

 on frog's egg, 319. 



Nageli, cell-organization, 21; micellae, 22, 

 301; polioplasm, 29; idioplasm-theory, 

 300. 



Newport, fertilization, 130; first cleavage- 

 plane, 280. 



Niessing, axial filament, 123. 



Nissl, chromophilic granules, ^t„ 34. 



Nussbaum, germ-cells, 88; regeneration in 

 Infusoria, 248; nucleus, 321. 



Overton, germ-cells of Vohwx, 98; conjuga- 

 tion of Spirogyra, 169, 170; reduction, 

 196. 



Owen, germ-cells, 88. 



Paladino, cell-bridges, 42. 



Peremeschko, leucocytes, 83. 



Pfeffer, hyaloplasm, 29; chemotaxis of germ- 

 cells, 145. 



Pfitzner, cell-bridges, 42; chromatin-gran- 

 ules, 78. 



Pfliiger, position of spindle, 277; first 

 cleavage-plane, 280 ; gravitation-experi- 

 ments, 285; isotropy, 278. 



Plateau, minimal contact-areas, 269. 



Platner, mitosis, 75; formation of spermato- 

 zoon, 123-125; fertilization of .4rion; 

 maturation, 175, 180. 



Pouchet and Chabry, development and en- 

 vironment, 324. 



Prenant, spermatozoon, 123. 



Preusse, amitosis, 85, 209. 



Prevost and Dumas, cleavage, 9. 



Pringsheim, Hautschicht, 29; fertilization, 

 130. 



Purkyne, protoplasm, 13. 



Rabl, nuclear polarity, 26; cell-polarity, 39, 

 40, 52; centrosome in fertilization, 157; 

 individuality of chromosomes, 215. 



Ranvier, blood-corpuscles, 38. 



vom Rath, nucleus, 26; bivalent chromo- 

 somes, 61; amitosis, 82-84; early germ- 

 cells, 112; reduction, 189, 192; tetrads. 



