310 ARTIFICIAL PARTHENOGENESIS AND FERTILIZATION 
Fertilization, heterogeneous, 2, 225 ff., 
291 ff.; membrane of, see Membrane 
formation; oxidation and, 25 ff.; 
preseryv ation of the life of the egg by 
the act of, 281 ff.; with sperm and 
artificial parthenogenesis in the same 
egg, 233 ff. 
Fertilizing effect, of foreign blood and 
foreign cell extract, 191 ff.; of sperm 
extract, 201 ff. 
Fischer, 63, 265. 
Flemming’s fluid, 305. 
Francotte, 265. 
Fucaceae, 277. 
Fucus vesiculosus, 
Fiihner, 134, 139. 
Fundulus, 271. 
Fundulus heteroclitus, hybrid forms of, 
and Ctenolabrus, 297, 299; and F. 
majalis, 295; and Menidia, 296 ff., 
299; and Stenotomus, 297, 299. 
Fundulus majalis, hybrid forms of, and 
F. heteroclitus, 295. 
277 ff. 
Garrey, W. E., 58 ff., 129. 
Gelatinous film, formation of, 19, 97, 
2135 223. 
Gephyrea, 9, 191. 
Germination of oil- -containing seeds, 
hydrolytic processes in, 39 ff. 
Gies, W. J., 202 ff. 
Godlewski, 2, 25, 148, 231, 254, 293 ff. 
Green, C. W., 52. 
Guyer, 271 ff. 
Hagedoorn, 146. 
Harvey, 92, 121, 150, 217. 
Hasselbalch, 38 
Henneguy, 273. 
Herbst, 71, 73, 174, 187 ff., 223, 300 ff. 
eee characters, transmission of, 
291 ff. 
Heredity. in artificial parthenogenesis, 
291 ff. 
Herla’s vesuvin and malachite-green 
mixture, 305. 
Herold, 45, 47. 
Hertwig, Giinther, 229, 299 ff. 
Hertwig, O., 3, 229. 
Hertwig, Paula, 229. 
Hertwig, R., 49 ff., 54. 
Heteronereis, 248. 
Hindle, E., 123, 125, 237. 
Holborn, 129. 
Hoyer, 39 ff. 
Hybridization, combination of arti- 
ficial parthenogenesis and, 300 ff.; 
heterogeneous, comparison of rate 
of first appearance of certain char- 
acters in, 295 ff.; in echinoderms, 
225 ff., 291 ff.; in teleosts, 295 ff.; 
in vertebrates, 299 ff. 
Hypertonic solution, action of, after 
membrane formation, 95 ff.; activat- 
ing effect’ of,- 57 ff, 159f2;) Virre- 
versibility of corrective effect of, 
110 ff., 119 ff., 151; nuclear divisions 
in, 50 ff. 
Insects, natural parthenogenesis in, 
43 ff 
Isosmotic solutions, physiological effi- 
ciency of, 127 ff 
Kirby, 43. 
Klebs, 278. 
Knaffl, von, 185, 188 ff. 
K6ppe, 173, 188. 
Kohlrausch, 129. 
Kostanecki, 267, 269. 
Kupelwieser, 2, 203 ff., 230, 294. 
Kuschakewitsch, 275. 
Leeuwenhoek, 303. 
Lefevre, 7, 245, 263, 265. 
Leuckart, A4, 46. 
Lillie, F., 216, 230, 235 ff., 263. 
Lillie, R:. 9) 14; 121, 
303. 
Lloyd, Miss, 170. 
Loeb, Leo, 1, 205. 
Lottia gigantea, 157, 
Luimadia, 46. 
Lyon, E. P., 221 ff. 
185 ff., 252 ff., 
160, 210 ff., 267 ff. 
Mactra, 230, 267, 269. 
Mathews, A.P., 12, 246, 255, 286. 
Maturation divisions, prevention of, 
by iack of oxygen cr presence of KCN, 
27; conditions age 243 ff. 
Maxwell, S. S., 
McClendon, 22, oH it, 273. 
Mead, 4, 51 ff., 245, 263. 
Membrane formation, artificial, effect 
of. 73 ff.; induced, by foreign blood 
and foreign cell extracts, 191 ff.; 
by haemolytic agents, 68, 173 ff.; 
by monobasic fatty acids, 67 ff.; 
is development possible without, 
219 ff.; mechanism of, 17 ff., 207 ff.; 
temperature coefficient of, 146. 
Membrane formation and_ cytolysis, 
173 ff.; by means of bile salts, 177 ff.; 
of distilléd water, 183 ff.; of fat- 
solvents, 181 ff.; of higher fatty 
acids, 185; of increase of tempera- 
ture, 185; of isotonic solutions, 186 
ff.; of saponin, 174 ff.; of soaps, 
178 ff. 
Menidia, 296 ff., 299. 
Meyer, Hans, 139. 
Meyerhof, yy lees oo eo 
Moenkhaus, 294, 296. 
Moore, A. R., 96, 218. 
Morgan, 4, 51, 53, 236, 241. 
Morphology of development, 
remarks on the, 17 ff. 
Morse, 131. 
Mytilus, 2, 
Neilson, 63, 253, 265. 
Nematus, 46. 
Nereis, 216, 230, 236, 247, 265. 
Neubauer, 134, 139. 
Newman, 298. 
Norman, W. W., 51. 
Nuclear division, prevention of, by 
lack of oxygen or presence of KCN, 
26 ff., 85; process of, 19 ff. 
Nuclear spindle formation, 19 ff., 192. 
Nuclei, fusion of, in hybridization, 293. 
Ophelia, 265. 
Overton, 36, 136, 139. 
Overton, J. B., 277. 
Oxidations, coefficient of rate of, 161, 
166 ff.; effect of NaOH and NH,OH 
some 
203, 230. 
