INDEX. 



Radlkofer, Genetic Cycle of 



Cryptogamia . 53, 143 n 

 Vegetable Parthenogenesis 200 

 Ralfs, Gemmation of Closterium 27 

 Redia of Trematoda - 113 

 Regel, Denial of True Par- 

 thenogenesis in Plants 200 n 

 Regional Life 177 

 Reissek, Germination of Poll en 203 n 

 Reid, Gemmation of Hydra 



Tuba . 120 

 Representation of Alternation 



in the higher species 15 



Protomorphic 156 



Gamomorphic 166 

 Reproduction, Sexual and 



Non- sexual - 9 



In the Vegetable Kingdom 17 



In the Animal Kingdom 68 



Homologies 229 



Resting-spores 28 



Resting-periods, Table of 257 



Rhizocarpeae, Reproduction 56 



Robin, Antherozoids of lilva 29 



Defective Organization of 



Males - 175 

 Rosenmuller, Development of 



the Ovary 245 

 Rotifera, Ova 195 

 Rye, Spurred (Ergot), De- 

 velopment 44 

 SaUx, Change of Sex - 207 n 

 Salpa, Reproduction - 90 

 Alternation 140 

 Tabular view 268 

 Sarsia, Pullulation - 147 

 Sanderson, Dr., Genetic Cycle 



of Mosses and Ferns 53, 57 



Analogies of Coniferse 186 



Table (modified) - 258 



Saprolegnia, Development 35 



Page. 

 Scalpellum, Defective Organ- 



ization 176 



Schacht, Development of Pol- 



len-tube 58, 62 



Schleiden, Vegetable Impreg- 



nation - 62 



Schneider, Hermaphroditism 



of Pelodytes - 94 



Schultze, Experiments on 



Spontaneous Generation 2 



Development of Nemertini 99 



Scolex . . 132 



Scutigera, Development 102 



Scyphistoma, Development 120 



Seeds and eggs, Analogies 235 



Segmentation of Ovum 72 



Selaginella, Reproduction 55, 186 



Seminal Vesicles, Homology 245 n 



Sex, Late development 168 



Periodicity . 167 



Theory of original conjunction 242 



Gradation of Organs into 



Zooids 173 



Ultimate Corpuscules 231 



Disguise and Mixture 244 



Sexes, Association in Plants 185 



Distribution in Species 241, 247 



Sexual reproduction - 



Rudimentary manifestation 20 

 Siebold, Parasitic Filarice 7 



Penetration of Spermatozoa 69 

 Development of Distoma 113 

 Genetic Cycle of Polypifera 128 

 Development of Tcenia 161 



Parthenogenesis of the Bee 



and other Insects 196, 206 



Spermatophores - 226 



Silkworm Moth, Partheno- 



genesis - 



Simpson, Prof., on Hermaph- 

 roditism 



207 n 



243 



