INDEX 



Abraxas, 17. 



Acid poisoning, 18 ff. 



Acids, influences of, on heliotropism, 



42, 220; acids and salts, antagonism. 



of, 179 ff. 

 Action of potassium cyanide, 156 flf. 

 Activation of tlie egg, 6 If. 

 Agalma, 208. 

 Amphitrite, 144. 

 Animal instincts, experimental control 



of, 218. 

 Antagonism of acids and salts. 179 ft. 

 Antagonism of three salts. 182 ff. 

 Antagonistic salt action, 172 S. 

 Antedon rosacea, 198. 

 Antennularia antennina, 85, 91, 107, 



217. 

 Ants. 47, 48. 



Aphides, 19, 37 flf., 41 flf., 46. 

 Arabacia, 157, 164, 190. 

 Area striata, 79. 

 Arrhenius, 5, 198. 



Artificial causation of positive heliotro- 

 pism, 43, 220. 

 Artificial parthenogenesis. 7. 116 AT., 



127 flf., 199 flf. 

 Artificial production of double and 



multiple monstrosities in sea-urchins, 



100 flf. 

 Artificial production of living matter, 5. 

 Ascidians, 68. 



Associative memory, 55, 73. 

 Asterias capitata, 198. 

 Asterias forbesii, 135. 

 Asterias ochracea, 138, 162, 198. 

 Asterina, 132. 198. 

 Atwater, 4. 

 "Aura seminalis," 113. 



Baer. K. E. von. 114. 

 Balanus perforatus, 46. 53. 

 Baltzer, 15. 

 Bancroft, 51. 

 Bardeen. 92. 

 Barry, 114. 



Bases as membrane-forming sub- 

 stances, 134. 

 Bataillon, 11. 

 Bateson. 226. 

 Bees, 49. 



Beginning of scientific biology, 4. 

 Berzelius, 4. 

 Biedermann, 173. 

 Biology, beginning of scientific, 4. 

 Bischof, 115. 

 Blaauw. 29. 

 Bohn, 40. 49, 54, 55. 

 Bolina, 208. 

 Boveri, 15. 



Butschli, 145, 146. 147. 

 Bunsen, 27, 29, 30, 41, 58. 

 Bunsen-Roscoe law, 27, 28 flf., 40. 58. 

 Butyric acid, treatment of egg, 10. 



Callianira. 20H. 



Cannon. 222. 



('citalysis of t'stors. 43. 



Catalyzer. 4. .'"». 



"CrnUT of roordhiation," 72. 



Ceriarithun mfmhranaceus, 93. 



Chnrtoptrrus, 117. 



Chan^T in int«'nsity of li«ht. .'>4 fT. 



Changes in <*olor of hutt^Tlllcs pn>- 



ducfd through Infliu-nctJ of tenipera- 



turc, 211. 

 Chemical agencies, effects of. 190 ff. 

 Chemical synnnetry. 3H. 39. 

 Chemotropisin. 224. 

 Chlorostomn, 19.S. 

 Chromosomes, Ki ff. 

 Chun, 20S. 

 Ciamician, 3S. 

 Cinerarias, 37. 

 Ciona intcslinalin, OS, 92. 

 ClaparMe, 51. 

 Cohen, 208. 

 Color, changes hi. of butterflies. 



through infiuenre of t4'nip' 



211; color a(lai)lation. sotf.. 



color blindness, 1«>. 

 Compulsory movements, 38. 

 Consciousnes.s. 72. 

 Contents of life, 20 ff. 

 Cooke, 99. 

 Cooperative action of salts causing 



imi)ermeability of the I'gg mem- 

 brane, 176 ff. 

 Coordinated movements in reflexes. 



70. 

 Copepod, 43, 02. 

 Correns, 21. 

 Cortical layer, of unfertilized egg. 10. 



189; mechanical destruction of. 



10. 11. 

 Co.sine law of illumination, 41. 

 Crabs, fiddler .00. 

 CtenolabruK. 2.5. 

 Cumn Rnthkii, .'>1. 

 Cytolysis. of the egg. 140; mivhanical 



causation of. 145. 

 Cvtolvtic agents. 10. 132 ff.. 130. 



*144'ff.. 202. 



De Vries, 22t). 



Daphnia, 43. 2()S. 213. 220. 



Darwin. Charles. 195. 1«M1. 



Darwin, K.. .'>S. 



Davenport, 222. 



I)eatii and development. liiffertMit 



ciieinical proc«>sses. 21K» ff. 

 Delagf, 11, i:U. 203. 

 Depth migration. 220. 

 Development, death anil. dlfftTent 



chemicul proces.s««s, 20".» IT. 

 Difference of salt iMTineublllty of 



various nu-mbranj's. Is9 ff. 

 Diffusion of saltti, 177 ff. 



229 



