288 



INDEX. 



Page. 



Deecke, Observations on Ve- 

 getable Parthenogenesis 200 

 Defective Organization - 175 



Dentition 178 



Derivation of Organic beings 1 



From one or two parents 9 



Desmidieae, Reproduction 24, 31 

 Desor, Reproduction of Poly- 



pifera - 99, 126 



Detachment, Physiological 



Import - - 177 



Development, Epochal acts 107 



Of Unimpregnated ova 194 



Incipient 202 



Diatomacese, Reproduction 24, 28, 31 

 Digenesis 9 



Dioecious arrangement - 247 



Diporpa, Conjugation 79 n 



Distoma, Reproduction 95, 112 



PuUulation - 147 



Maturation of Organs - 168 



Double Monsters 158 



Drone ova, agamic 197 



D'Udekem, Development of 



Infusoria - 80 



Dualism - 42 



Duplicity, Malformation 158 



Dzierzon, Reproduction of theBee!96 

 Earthworm, Penetration of 



Spermatozoa - 70 



Egg-sacs 226 



Ecdysis 223 



Echinaster, Reproduction 84 



Echinodermata - - 84, 163 



Tabular view - 267 



Echinococcus, Development 132 



PuUulation - - 147, 153 



Bctozoa - - 95 



Edward's, Milne, Experiments 



on Spontaneous Generation 3 



Gemmation of Myrianida] 101 



Page. 



Egg-cases or sacs - 226 



Egg-coverings, Rupture - 107 



Egger Moth, Parthenogenesis 208 

 Egg and Seed Structures 235 



Embryo of Plants - 63, 182 



Embryogeny, Phenomena of 18 



Representative of one form 



of Alternation - 156, 164 



Embryonal vesicles of ovule 62 



Embryonic gemmation - 160 



Endochrome - - 20, 23 



Endothalloid germination 183 



Endosperm - - 65, 260 



Entochoncha, Germinal vesicle j 



of 72 



Entozoa, Impregnation - 70 



Reproduction - 94 



Conjugation - * 79 n 



Eolis, Embryonic division 160 



Ephippial ova - 194 



Epochal acts in Reproduc- 

 tion 107 

 Equisetaceae, Reproduction 55 

 Ergot, Development - 44 

 Eschricht, Prof., Development 



of Entozoa - 97 



Exothalloid germination 183 



Explanation of Tables - 253, 260 

 Extrusion of ova 107 



Exuviation 223 



Fabre, Development of Scuti- 



gera 102 



Farre, Dr. A., Penetration of 



Spermatozoa 69 



Development of the Ovary 245 

 Ferns, Reproduction - 52 



Contrast with Mosses 52, 142, 187 

 Filaria, Origin - 7 



Reproduction - 99 



Filippi, Alternation in Ptero- 



matus - - 113 



