Subject Index
Acetabularia, 19, 22
Acipenser huso, 51
ruthenus, 51
sturio, 51
Acrasin, 134-135, 149, 151, 154-157,
162-163, 170-172
Acrasina, 109-178
aggregation, 129-130, 134
and cell density, 119-125
fruiting stage, 118
grex,112, 160-178
life cycle, 110
movement, 113-115
sexuality, 131-133
vegetative, 115-118
Acrasis, 166
Actin, 219, 222
Activation of embryogenesis, 280283
(see also Inductive activity)
Actomyosin,
denaturation, 239
Actyostelium, 144, 156, 161, 170
Adhesion, cellular, 157-160
Ambystoma mexicanum,
egg symmetry, 38-39
metabolism, 80-81, 86, 89-90
A.punctatum, 72, 80, 98
A. tigrinum, 84, 86, 335
Amino acids, 252
Ammonia,
release in embryogenesis, 86-88
Amoeba proteus, 67-6'8
Amphibians,
bilateral symmetry, 28-39
cardiac defects in, 335, 360
embryogenesis, 63-65
enzymic activity, 70-71, 79
jelly composition, 85
metamorphosis, 65-67, 219-225
protein changes in, 219-225
Amylase, 79-82, 93, 95, 97
Anatrepsis,
in insect eggs, 290-291
Anguisfragilis, 49, 50
Animalization,
and protein denaturation, 239-241,
244-251
chemical induction of, 227, 230-231,
233-238
Anoxia,
cardiac defects caused by, 332
Antigens,
and cell adhesion, 159
in protein fractionation, 216-219,
222-225
Aortic arches,
experimental suppression, 333-369
Aortic coarctation,
experimental, 359
human, 368
Apiomorpha urnalis,
egg cleavage, 274-275, 277
Apis, 269, 272-273, 275, 283, 286,
293
egg dimorphism, 263, 276
Arbacia, 100, 233
lixula, animalized, 244-246
protein changes in, 212-219
vegetalized, 244-246
punctulata, 225, 248
Artemia salina, 67, 92-94
Ascaris, 21
Azo dyes,
and cardiac defects, 333
B
Birds (see also Chick),
bilateral symmetrization, 39-49,
56
cardiac defects in, 334-335
egg formation, 41
structure, 39-40
Blastema,
of Planaria, 308-311
Blastoderm formation, 286
Blepharisma, 24
Blood supply,
effect on heart morphology, 355-364
of limb buds, 190, 195
Bombyx mori, 94-96, 225-226, 290
382