386
S U B J E C T I N D E X
Notochord,
cell nuclear counts, 229
induction, 229-231, 235, 254
Notonecta, 272, 274-276, 282, 291
Nuclear movements,
in egg cleavage, 287
Nucleic acids, 68
Nucleocytoplasmic interaction, 20,
286-287
Nucleus,
in cell regeneration, 19-21
of Pander, 40
O
Oligarces,
egg dimorphism, 263
Oncopeltus, 277
Ooplasmic structure, 262-263
Organ differentiation,
in insects, 291-299
inPlanaria, 311-329
Organisines, 325
Orientation,
of Acrasina aggregates, 134-137
of bird embryo, 42-47
cells, 160-166
symmetrization, 33-36, 49
Oxidation-reduction potential, 252
Oxygen uptake, embryonic, 64
P
pH value,
effect on endoderm induction, 249
on nerve differentiation, 240
on notochord formation, 230
enzymic optima, 67-68
Panorpa, 272, 276, 279, 288
Papain, protein digestion by, 245
Paracentrotus lividus, 219
Paramoecium aurelia, 21
Pellucid area,
in bird egg symmetry, 47-49
Peptidases, 67-68, 70-76, 93
Petromyzon, 231
Pharynx, differentiation, 313-316
Phenanthenquinone, 100
Phosphatases,
detection, 186
in chondrification, 197
embryogenesis, 76-79, 93, 95
limb buds, 187-190, 192, 196
Pigeon embryo orientation, 42, 45-47
Pimpla, 272
Planaria, 305-329
alpina, 318
dorotocephala, 313
gonocephala (see Dugesia)
maculata, 313, 318
subtentaculata, 315, 318
vitta, 306, 308
Platycnemis, 272, 276, 298
embryo activation, 280-282, 286, 288
Pleurodeles, 248
Plodia, 276, 288
interpunctella, 272
Poly'celis,
cornuta, 318
nigra, 311, 315, 321, 323-326
tennis, 318
Polysaccharides (see also Glycogen,
Mucopolysaccharides),
detection, 186
Polyspondylium pallidum, 115, 170
violaceum, 118, 129, 130, 135, 143,
149, 153, 156, 169, 174
Potassium chloride,
pseudo-larval development by, 14
Procephalus, differentiation, 289
Procerodes lobata, 315
Primordium activation and inhibition,
12
Proteinases,
in embryogenesis, 68, 73-76, 93, 97
Proteins,
denaturation in animal-vegetal form,
238-244, 248-251
fractionation by immunological
analysis, 216-219, 222-225
by salting-in, 216
by salting-out, 212-215, 219-222,
233
in embryogenesis, 85-88, 94, 96, 210254
solubility, effect of fertilization on, 225
Proteolytic enzymes, 67-76, 252
Prothorax, differentiation, 277, 279
Protopterus, 53
Pseudaulacaspis pentagona y
egg dimorphism, 263
Pseudoplasmodium of Acrasina, 112
Pulmonary artery, 338, 340, 352
Pyrilla, 269, 276, 291
Pyrrhocoris, 269
Pyruvate in embryogenesis, 253
S U B J E C T I N D E X
Notochord,
cell nuclear counts, 229
induction, 229-231, 235, 254
Notonecta, 272, 274-276, 282, 291
Nuclear movements,
in egg cleavage, 287
Nucleic acids, 68
Nucleocytoplasmic interaction, 20,
286-287
Nucleus,
in cell regeneration, 19-21
of Pander, 40
O
Oligarces,
egg dimorphism, 263
Oncopeltus, 277
Ooplasmic structure, 262-263
Organ differentiation,
in insects, 291-299
inPlanaria, 311-329
Organisines, 325
Orientation,
of Acrasina aggregates, 134-137
of bird embryo, 42-47
cells, 160-166
symmetrization, 33-36, 49
Oxidation-reduction potential, 252
Oxygen uptake, embryonic, 64
P
pH value,
effect on endoderm induction, 249
on nerve differentiation, 240
on notochord formation, 230
enzymic optima, 67-68
Panorpa, 272, 276, 279, 288
Papain, protein digestion by, 245
Paracentrotus lividus, 219
Paramoecium aurelia, 21
Pellucid area,
in bird egg symmetry, 47-49
Peptidases, 67-68, 70-76, 93
Petromyzon, 231
Pharynx, differentiation, 313-316
Phenanthenquinone, 100
Phosphatases,
detection, 186
in chondrification, 197
embryogenesis, 76-79, 93, 95
limb buds, 187-190, 192, 196
Pigeon embryo orientation, 42, 45-47
Pimpla, 272
Planaria, 305-329
alpina, 318
dorotocephala, 313
gonocephala (see Dugesia)
maculata, 313, 318
subtentaculata, 315, 318
vitta, 306, 308
Platycnemis, 272, 276, 298
embryo activation, 280-282, 286, 288
Pleurodeles, 248
Plodia, 276, 288
interpunctella, 272
Poly'celis,
cornuta, 318
nigra, 311, 315, 321, 323-326
tennis, 318
Polysaccharides (see also Glycogen,
Mucopolysaccharides),
detection, 186
Polyspondylium pallidum, 115, 170
violaceum, 118, 129, 130, 135, 143,
149, 153, 156, 169, 174
Potassium chloride,
pseudo-larval development by, 14
Procephalus, differentiation, 289
Procerodes lobata, 315
Primordium activation and inhibition,
12
Proteinases,
in embryogenesis, 68, 73-76, 93, 97
Proteins,
denaturation in animal-vegetal form,
238-244, 248-251
fractionation by immunological
analysis, 216-219, 222-225
by salting-in, 216
by salting-out, 212-215, 219-222,
233
in embryogenesis, 85-88, 94, 96, 210254
solubility, effect of fertilization on, 225
Proteolytic enzymes, 67-76, 252
Prothorax, differentiation, 277, 279
Protopterus, 53
Pseudaulacaspis pentagona y
egg dimorphism, 263
Pseudoplasmodium of Acrasina, 112
Pulmonary artery, 338, 340, 352
Pyrilla, 269, 276, 291
Pyrrhocoris, 269
Pyruvate in embryogenesis, 253