388 



INDEX 



DuBois, A. M., 188 

 Dubos, R. J., 368 

 Duesberg, J. 323 

 Dulaney, A. D., 357 

 Dulbecco, R., 193 

 Dunsford, I., 351 

 Duplicitas cruciata, 298 

 Duran-Reynolds, F., 87 

 Duryee, W. R., 207 

 Dye reduction, 279 



Ebert, J. D., 203, 222, 345, 348, 

 356, 369 



EcJiinarachniiis parma, 46 



Echinocardium cordatitm, 45, 46, 

 137, 138, 140, 141 



Echinochrome, 26, 27 



Echinoderm 



cytoplasmic particles in develop- 

 ment, 263 



Echinus esculentus, 30, 45, 46, 137 



Echinus miliaris, 28, 30 



Edlund, B., 83 



Eggs 



activation of, 23, 59, 89, 114 

 blood proteins and cytoplasm of, 2 

 collision frequency of, with sperm, 



85,86 

 cross-reactions with yolk of, 346; 



see also Yolk 

 granule-free fragments, 267 

 human, 111, 115 

 hyalin layer of, 40 

 lysins of membrane, 56, 88, 124 

 mammaUan, 110-114, 121 

 membranes, 56-59, 88-90, 124 

 mitochondria in fragments, 268 

 penetration by sperm, 56, 82, 87, 



118, 124 

 reaction of, to mammalian sper- 

 matozoa, 89 

 ribonucleic acid in fragments, 264 

 unfertilized, 363 



Egg water, 24, 125 



agglutination of sperm and, 31 

 chemotaxis of sperm and, 26 



motility of sperm and, 26 



respiration of sperm and, 26, 28 

 Eichenberger, M., 280 

 Elasmobranchs, 86 

 Elliott, I., 74 

 Elson, D., 11 

 Ely, P., 93 

 Emerson, S., 365 

 Emmens, C. W., 74 

 Endo, Y., 91, 269 

 Entodermization, 297 

 Entrance cone, 153, 155-159, 161- 



162, 165 

 Enucleation experiments, 17 

 Enzmann, E. U., Ill, 115, 116, 121, 



123 

 Enzymes 



blocked, development with, 326 



effect of, on development, 278, 319 



genes and, 320 



morphogenesis and, 333 



proteolytic, 76, 310, 312 

 Ephestia kiihniella, 176 

 Epiboly, 241 



angle of, 242 

 Epigenesis, 346 

 Ernster, L., 273, 280 

 Errera, M., 19, 194 

 Erythrocyte mosaicism, 351 

 Estrous cycle 



sperm transport and, 79 

 Eu char is 



mitochondria in eggs, 332 

 Euglobin, 305, 309 



extraction of, 302 

 Evans, E. I., 76, 78 

 Everett, N. B., 2 

 Exogastrulae, 292, 297 

 Explants, 239 



Fallopian tube 



role in mammalian fertilization, 



110, 126, 127 

 spermatozoa in, 76, 124 

 Fankhauser, G., 175, 186, 202-204, 



218, 220 

 Farinella-Ferruzza, N., 335 



