INDEX OF 
Acmcea, 185, 189, 190, 192 
Acquired characters, inheritance of, 
214, 215, 308, 309, 325 
Acrasidae, 316, 322 
Actinia , 85 
Actinodendron , 86 
Ecidium , 54 
.Eolosoma, 104 
Agaricus, phosphorescence of, 16 
Albinism, 247, 248, 287, 288 
Albinos, 247, 248, 288 
Alcyonaria, phosphorescence of, 17, 
22, 24 
colours of, 85, 86 
Algae, colours and pigments of, 
57-59 
Alpine plants, colours of, 62 
Amphibians. 209, 224-235, 246, 
297 
Amphiporus , 98, 99 
A mphiprion bid net us, 211 
percula , 211 
Amphizonella violacea , 77 
Animal Coloration , quoted, 5, 
224, 250 
Antedon, 132, 135 
Antedonin, 135, 137 
Anthea cereus , 84, 89, 90, 92 
Anthocharis , 151 
Anthocyan, 42, 43, 47, 60-72 
Apaturidee, 160 
Aphides, 171 
Aphis, 170 
Aphrodite, colours of, 14, 102 
haemoglobin in, 30 
Aplysia, 44, 187, 191 
SUBJECTS 
Aplysinidae, 79 
Araroth, 251-253 
Arge, 153 
Argenteum, 221 
Argiope, 180, 201: 
Avion, 188 
Ascidia, 208 
Asparagus, pigment of fruit, 69 
Astacus, 122, 123, 126 
Asterias, 133 
Asteroidea, 130 
Astrapia, 279 
Astropecten, 133 
Astropyga, 131 
Atherina, 224 
Atyephira, 127 
Auk, 249 
Aurelia, 92 
Autumnal leaves, 65-67, 314 
Axolotl, 225 
Bacteria, phosphorescence of, 16 
pigments of, 43, 51-53 
Bacterium egregiuvi, 52 
Beggiatoa, pigment of, 34, 52 
Belone, 27, 94, 224 
Benthesicymus, 120 
Biliverdin, 188, 189, 258 
Birds’ eggs, pigments of, 35, 44, 
256-259 
markings of feathers of, 205, 
259-261 
pigments of, 220, 242 et s:q., 
298, 314 
of Paradise, 13, 244, 255, 
256, 267, 278-281, 284 
