316 



IXDEX OF AUTHORS 



Crampton : isolated blastomeres of 

 Ilyanessa, 215, 216. 



effect of removal of the polar lobe, 

 217. 



Dareste : mechanical agitation of the 

 Hen's egg, 89. 



electricity, 91. 



Davenport : catalogue of ontogenetic 

 processes, 4 sqq. 



definition of growth, 58. 



rate of growth, 69. 



the role of water in growth, 58, 

 59, 115, 116. 



and Castle : acclimatization of eggs 

 of Bvfo to heat, 100. 



Delage : causes of artificial partheno- 

 genesis, 124. 



number of chromosomes in arti- 

 ficial parthenogenesis and in mero- 

 gony, 125. 



De Vries : importance of potassium 

 for turgor of plant-cells, 146. 



Doncaster : hybrid Echinoid larvae, 

 261. 



Driesch : effect of light in develop- 

 ment, 94. 



abnormal segmentation in Echinus 

 produced by heat, 105. 



Anenteria, produced by heat, 

 106. 



segmentation made irregular by 

 dilution of sea-water, 118. 



pressure experiments on Echinoid 

 eggs, 37, 38, 185, 240. 



cell-division suppressed by pres- 

 sure and dilute sea-water, 55 ; and 

 by heat, 105. 



nuclear division not qualitative, 

 186. 



blastomeres disarranged, 187, 188. 



isolated blastomeres of Echinoids, 

 190, 191, 193, 194. 



potentialities of animal and vege- 

 tative cells, 193, 194, 201, 242,243. 



fragments of blastulae and gastru- 

 lae in Echinoderms, 194. 



potentialities of ectoderm and 

 archenteron, and their limitations, 

 195. 



development of egg fragments of 

 Echinoids, 195, 196. 



germinal value, surface-area of 

 larvae, and number of cells, 197- 

 199, 269. 



one larva from two blastulae, 202. 



and Morgan : isolated blastomeres 

 of Ctenophora, 210, 211. 



egg-fragments of Ctenophora, 30, 

 212. 



Driesch: development of Myzostoma. 

 228. 



isolated blastomeres and parts of 

 larvae in Phattusia, 238, 239. 



first furrow and sagittal plane in 

 Echinoids, 250. 



characters which depend on cyto- 

 plasm in Echinoid larvae, 261, 262. 



number of organ-forming sub- 

 stances in cytoplasm, 246, 284, 

 286. 



theory of egg-structure, 281 , 286. 

 292. ' 



reason for limitation of potentiali- 

 ties, 192-194, 201, 212, 242, 243, 

 281, 282, 284, 291. 



fate a function of position, 188, 

 282. 



return of displaced mesenchyme 

 cells in Echinus, 274. 



stimuli in ontogeny, 20, 277, 282- 

 284. 



part played by nucleus in dif- 

 ferentiation, 266, 284, 285. 



equipotential and inequipotential 

 systems, 176, 277, 285. 



rhythm of development, 3. 



harmony of development, 284. 



composition in development, 3, 

 285. 



self- differentiation, 284. 



teleology, static, 286, 291, 292. 

 297. 



dynamic, 291, 292, 297. 



vitalism, 20, 289 sqq. 



Edwards : physiological zero for 



Hen's egg, 102. 

 growth without differentiation, 



104. 

 Endres and Walter : post-generation 



of missing half-embryo, 171. 

 Eycleshymer: first furrow and 



sagittal plane in Nectunts, 168. 



Fabricius : views on development, 



13. 



Fasola : electric currents, 91. 

 Fehling : growth of the human 



embryo, 59, 60, 63. 

 Fere : effect of sound-vibrations upon 



the Chick, 90. 

 of light, 96. 



malformations due to high tem- 

 peratures. 105. 



need of oxygen for the Chick, 109. 



monstrosities produced by various 

 chemical reagents, 132. 



