INDEX OF SUBJECTS 
339 
Blackbird, 244, 245, 247 
Black pigments, 47, 48, 109, 136, 
141-143, 146, 149, 150, 152, 
I SS> 163, 164, 190-192, 208. 
See also Melanin 
Blue pigments, 41 - 44 . 76 - 78 . 94. 
97, 125-129, 133, 136, 175, 
190, 191, 208, 257, 258. See 
also Anthocyan, Cyanein, and 
Haemocyanin 
Bonellia , 90, 99, 100, 295 
Bonellin, 45, 90, 100, iox, 105 
Boraginaceae, pigments of, 68 
Botryllus, 207 
Branchiomma, 104 
Brasilin, 72 
Brightly coloured leaves, 61, 62 
Brill. See Rhombus 
Brittle-stars. See Ophiuroids 
Brown bodies of Polyzoa, 113, 114 
Brown seaweeds, 59 
Buccinum, haemoglobin in, 30 
Bufo, 235 
Bugula, 112, X14, 115 
Butterflies. See Lepidoptera 
Campanula, 68 
Canary, 250 
Capitella, 107 
Capitellidae, 106-108, in, 115, 
294-296, 299 
Caprella, 119 
Capulus, 130 
Carassius, 223 
Carcinentes , 282 
Carmine, 26, 170, 171, 254 
as a reserve, 39 
spectroscopic characters, 49, 50 
Carotin, 39, 72, 171 
Caterpillars, pigments of, 41, 140- 
147, 200, 203, 294, 317 
Cave-inhabiting animals, 308, 309 
Ceryle guttata, 282 
. rudis, 282 
Chaetopoda, rarity of dark pigments 
in, 47 
pigments of, 101-108, 111, 198 
Chaetopterin, 45, 90, 91, 135, 298 
Chcetopterus, phosphorescence of, 17 
pigment of, 90, 105 
Chameleon, 213 
Z 2 
Chara, 59 
Chlorocruorin, 105 
Chlorophyll, 32, 33 
in animals, 44, 73, 74, 76, 78, 
79, 88-90, 96, 141-143, 145, 
166 
in plants, 55, 56, 60, 63-67, 313, 
314 . 
Chondrosia, 79 
Chromoleucites, 68 
Chromoplasts, 68, 99 
Chrysaora, 93 
Chrysockloris, 287, 288 
Chrysomela, 168 
Cicinnurus, 248, 255, 280 
Cinnyris, 272 
Cirratulus, 103 
Classification of pigments, 27 et 
seq ., 299, 310, 311 
in plants, 71, 72 
Clepsine, 110 
Coccionellae, 165, 168 
Coccus, 170, 171 
Coelentera, colours of,' 45, 79-95, 82 
phosphorescence of, 17, 19, 22, 24 
pigments of, 43, 46 
Coleoptera, 168, 169 
Coleus , leaves of, 63 
Colias, 174 
Colour-change, 65-69, 73, 74, 77, 
84, 93, 118-123, 142, 146, 
147, 166, 175, 183, 213, 226, 
233-236 
Colours of Animals, quoted, 4, 139, 
3°3> 3°4 
Comatula. See Antedon 
Convoluta, 96 
Copepoda, colours of, 75, 120, 175 
phosphorescence of, 20 
Coral polypes, pigments of, 34. 
See also Coelentera 
Corydia, 167 
Coi-ythceola, 254 
Corythaix, 253, 254 
Crayfish. See Astacus 
Crinoids, 132, 134-136 
Crows, 278, 284 
Crustacea, colours of, 117-123, 
199 
cuticle of, 108 
phosphorescence of, 18, 20 
