INDEX 



h; 



Robertson, \\ . R. B., 160, L65, 237, 245, 

 249, 257, 351, 393, 394 



Rosa (rose . 3 I s 



Rosaces, 315, 3 I s 



Elosen, 65 



Rosenberg, L60, 1 « > 1 

 apogamy, 3 i~>. 316 

 chromosomes in Crepis, 3 19 

 reduction, 236, 251, 252 



Rosenvinge, 16 



Rotifers, 318, 364, 368, 370 



Roux, 154, 156, 328, 384, 392 



Roux-Weismann theory, 225, 391 



Rubber, 135 



Ruckert, 159, 227. 244. 245, 27'.' 



Rudolph, 123 



Rudolphi, 5 



Ruhland, 43 



Kussow, 46 



Rusts, 60, 224, 292 



Ruzicka, 07 



Rytz, 187 



S 



Sabaschnikoff, 2 Js 

 Sachs, 12, 49, 62 

 Safir, 382 

 Sagitta, 256 

 Saguchi, 96, 212 



Sakamura, chromosomes and specie-. 

 348 



deranged mitosis, 212, 214, 259 



extruded chromatin, 136 



false tetrads, 248, 249, 259 



reduction, 236, 254 



somatic mitosis, 160, 162, 164, L65 

 Salamandra (salamander), achromatic 

 figure. 178, IM 



attraction sphere, 77 



chromosomes, 150 



reduction, 237 

 Salix iwillow i. 372 

 Salter, 107 

 Salts, 135 



Sands, 81 



Sap in cell, 135 



Sapehin, 88, 114. 123 

 Saprolegnia fungus . 187, 2 

 Sarcode, 1 1 

 Sargant, 211 

 Sax. 298 -300 

 Schacht, 13 



Schacke, 365 

 Schaeflfer, 12 

 - banner, 87, 239, 372 

 Schaudinn, 67, 207, 282, 317 

 Schaxel, 1 16 

 Scheben, 27 1 

 Schellenberg, 2 17 

 Scherrer, L05, 113, lis. I 

 Schikorra, 291 



Schiller. 213 



Schilling, 1 12 



Schimper, 12. 107, 108, 1 13 

 Schleicher, 1 13 

 Schleiden, 7. 8, 13 

 Schleip, 237, 257 

 Schmitz, 14, ids 

 Schneider, A., 33, 143 

 Schneider, II.. 236, 257 



Schntt lander. S2, 86, (Ml 



Schreiner, 231, 235, 237, 257, 258 



Schuberg, 96 



Schultze, M.. 11 



Schultze, W. H., 70 



Schulz, 34'.) 



SchiirhorY, 66, 213 



Schwann, 8, 9, 1 5 



Schwarz, 6 1 

 Schweigger-Seidel, 1 I 

 Scolojn ndra (centipede . 255 



Scolopemlrium (fern . 315, -!17 

 Scopolia (angiosperm . 61 

 Scorpion, 119 

 Scott, 202 



Sea urchin, artiticial parthenogenesis 

 284, 287 



blastOmeres, 328 



hybrids, 325 -127 

 >rr>, u <\ contraction, 232, 233, 238, 2 

 Secondary thickening of cell wall. 191 

 Secretions, 28, 30, I 

 Secretory cells, 30 



3 gmentation, of chromoson in 



fertilization, 296 



of egg, 188 



Of spireme. 1 15, 239 



Segregation, of chromosomi 



Mendelian, 5 108, U 



Bomal ic, 352, 395 



Seifrii . 38, 39, 13 



Seiler, 360, 361, 363 



Selachians, 237 



Selaginella, plastids, 103, 104, 105, 1 1 ; 

 122 



