INDEX OF AUTHORS 



475 



Overton, germ-cells of Volvox, 134; conju- 

 gation of Spirogyra, 229; reduction, 274, 



275- 

 Owen, germ-cells, 122. 



Paladino, cell-bridges, 60. 



Paulmier, spermatozoon, 165; reduction, 252, 

 271. 



Peremeschko, leucocytes, 1 1 7. 



Peter, cilia, 357. 



Pfeffer, hyaloplasm, 41; amitosis, 119; 

 chemotaxis of germ-cells, 197. 



Pfitzner, cell-bridges, 60 ; chromatin-gran- 

 ules, 112. 



Pfliiger, position of spindle, 375 ; first cleav- 

 age-plane, 380; gravitation-experiments, 

 386; isotropy, 378. 



Plateau, minimal contact-areas, 366. 



Plainer, mitosis, no; egg-centrosome, 125; 

 formation of spermatozoon, 163; fertiliza- 

 tion of Arion, 207; maturation, 241. 



Pouchet and Chabry, development and en- 

 vironment, 428. 



Prenant, spermatozoon, 162; archoplasm, 

 322. 



Preusse, amitosis, 119. 



Prevost and Dumas, cleavage, IO. 



Pringsheim, Hautschicht, 41 ; fertilization, 

 181. 



Purkinje, protoplasm, 17. 



Rabl, nuclear polarity, 36; cell-polarity, 56; 

 centrosome in fertilization, 210; individu- 

 ality of chromosomes, 294; astral systems, 



3 ! 7- 



Ranvier, blood-corpuscles, 54. 



Vom Rath, bivalent chromosomes, 88; ami- 

 tosis, 118, 225; early germ-cells, 149; 

 reduction, 249. 



Rauber, cell-division and growth, 393. 



Rawitz, amitosis, 116; staining-reactions, 



335- 



Redi, genetic continuity, 290. 



Reichert, cleavage, 10, 64. 



Reinke, pseudo-alveolar structure, 50; nu- 

 cleus, 38, 303; oedematin, 36; asters, 305; 

 nucleus and cytoplasm, 303. 



Remak, cleavage, i, 10, 361; cell-division, 

 64; egg-axis, 378. 



Retzius, muscle-fibre, 48; cell-bridges, 60 ; 

 end-piece, 140. 



Rhumbler, 105. 



Robin, germinal vesicle, 64. 



Rosen, staining-reactions, 220. 



Roux, 245, 301, 351 ; meaning of mitosis, 244, 



301, 351, 405; position of spindle, 377; 

 first cleavage-plane, 380; frog-experi- 

 ments, mosaic theory, 399; theory of de- 

 velopment, 405 ; post-generation, 408. 



Riickert, pseudo-reduction, 248; fertilization 

 of Cyclops, 193; independence of germ- 

 nuclei, 208, 209; reduction in copepods, 

 249, 25 1 ; early history of germ-nuclei, 

 273; reduction in selachians, 257; history 

 of germinal vesicle, 338. 



Riige, amitosis, 117. 



Ryder, staining-reactions, 175. 



Sabaschnikoff, tetrads, 256. 



Sabatier, amitosis, 116. 



Sachs, energid, 19, 30; laws of cell-division, 

 362; cell-division and growth, 393; de- 

 velopment, 427. 



St. George, La Valelte, spermatozoon, 10, 

 134; spermatogenesis (terminology), 161. 



Sala, polyspermy, 199. 



Sargant, reduction in plants, 267. 



Schafer, protoplasm, 29. 



Scharff, budding of nucleus, 155. 



Schaudinn, mitosis in Protozoa, 92, 94, 102; 

 polar bodies, 278. 



Schewiakoff, mitosis in Euglypha, 91. 



Schimper, plastids, 290. 



Schleicher, karyokinesis, 64. 



Schleiden, cell-theory, i; cell-division, 9; 

 nature of cells, 17; fertilization, 218. 



Schloter, granules, 38, 303. 



Schmitz, plastids, 290; conjugation, 216. 



Schneider, discovery of mitosis, 64. 



Schottlander, multipolar mitosis, 99. 



Schultze, M., cells, i, 19; protoplasm, 20. 



Schultze, O., mitosis, 318; gravitation-ex- 

 periments, 422; double embryos, 422. 



Schwann, cell-theory, i; the egg a cell, 8; 

 origin of cells, 9; nature of cells, 17; or- 

 ganization, 58; adaptation, 433. 



Schwarz, protoplasm, 42; linin, 33; chemis- 

 try of nucleus, 41 ; nuclei of growing cells, 

 340. 



Schweigger-Seidel, spermatozoon, 9, 134. 



Sedgwick, cell-bridges, 60. 



Seeliger, egg-fragments, 353; egg-axis, 379. 



Selenka, double spermatozoa, 142. 



Shaw, spermatozoids, 175.- 



Siedlecki, polar bodies, 280. 



Sobotta, fertilization, 185, 211. 



Solger, pigment-cells, 102; attraction-sphere, 

 5i- 



Spallanzani, spermatozoa, 9; regeneration, 



393- 



