GENERAL INDEX 



Light-scattering, by cortex, 6, 107- 



108. 

 Lipid metabolism, 74-75, 86, 87. 

 Liquefaction, of cortex, 6, 95-97. 

 Live-dead staining, of spermatozoa, 



109. 



167 



effect of bicarbonate on, 63, 64; 

 effect of CO on, 67-68 ; effect of 

 cyanide on, 67 ; effects of fertiliza- 

 tion on, 56-65 ; effect of light on, 

 67-68 ; effect of malonate on, 78 ; 

 effects of polyspermy on, 122. 



Magnesium, in sea-urchin eggs, 83, 

 129; in sea water, 129. 



Male pronucleus, effect of ether on, 

 15-16; movements of, 14-18, 85, 

 86, 104, 106, 122; penetration 

 path of, 15-18. 



Malic acid, 39-43, 44, 46, 48. 



Malonate, inhibition of O, uptake, 

 78. 



Mammalian eggs, block to poly- 

 spermy in, 114-115; fertilization 

 of, Plate 1,2,5,11-13,18,36,54- 

 55, 106, 114-115, 119, 121-123. 



Maturation, of eggs, 2-4, 60-61, 98. 



Mean speed of sperm suspension, 

 (c), 108-109, 136. 



Metabolic inhibitors, 67-68, 71, 78- 



79. 98-99- 

 Micro-electrodes, insertion into 



eggs, 128-131, 135. 

 Micropyle, 4-5. 



Mitochondria, phosphorus in, 83. 

 Molecular weight, of fertilizin, 22, 



25. 

 Mosaics, 105. 

 Multivalent fertilizin, 28-29. 



n. See Sperm density. 

 Nicotine, 116-117. 

 Nitrogen metabolism, 75-78, 87. 

 Nucleic acid metabolism, in eggs, 



73, 84-86. 

 Nucleoli, in mammalian eggs, 18. 

 Nutritional state of parent, effect on 



eggs, 76-78. 



Oral contraceptives, 54-55. 

 Orthokinesis with Adaptation, 42. 

 Osmotically inactive fraction, 80. 

 O, uptake of eggs, 56-63, 67-68; 



p. See Probability of successful 

 collision. 



p, effect of glycine on, 137 ; effect of 

 jelly removal on, 137; effect of 

 periodate on, 137; effect of tryp- 

 sin on, 137. 



Papain, effect on egg homogenates, 

 99. 



Parthenogenesis, i, 80-81, 96, 128. 



Parthenogenetic activation, by bu- 

 tyric acid, 80-81; by needle, i, 

 128. 



Penetration path, of male pro- 

 nucleus, 14-18. 



Peonin, 53. 



Periodate, as anti-anticoagulant, 97 ; 

 effect on combining sites, 137; 

 effect on D Rh antigen, 137; 

 effect on fertilizin, 25, 28; effect 

 on haemagglutination, 28; effect 

 on^, 137. 



Perivisceral fluid of sea-urchins, 99. 



Perivitelline fluid, 11, 24. 



space, 9-1 1, 114-115. 



Permeability, 80-81, 100, 102. 



Petals of Forsythia, rutin content, 



51- 



Phlorrhizin, 66. 



Phosphatases, 86. 



Phosphogluconate, metabolism of, 

 by eggs, 71-73- 



6-Phosphogluconate dehydrogen- 

 ase, 71. 



Phosphoric acid, 66. 



Phosphorus, distribution in eggs, 

 81-83; entry, 81-83, 85; ex- 

 change, 82 ; in mitochondria, 83 ; 

 total, in eggs, 129. 



metabolism, 70-73, 81-83, 



86. 



Phosphorylated hesperidin, as oral 

 contraceptive, 54-55. 



