COLOUR IN NATURE 
340 
Crustacea, pigments of, 44-47,124- 
129, 133, 136, 137, 155, 164, 
165, 187, 189, 294, 296, 298, 
299, 314 
Cyaiiea , 92 
Cyanein, 92, 93, 133 
Cynocephalus , 286 
Cynolesbia, 323 
Daffodils, 69 
Dahlia, 69 
Danaidae, 316, 322, 323 
Daphnia, 118, 125 
Darwinism , quoted, 3, 139, 161, 
304-308 
Dasylophus, 254 
Deilephila, 153, 154 
Delesseria, 57 
De?idrophyllia, 87, 88, 94 
Development of colour in spiders, 
180, 181 
Diadema, 131, 132 
Diaptomtis, 118 
Dide?nnum, 207 
Diptera, 172 
Discosoma, 197, 211 
Doris , 185, 192 
Dytiscus , 296 
Earthworm. See Lumbricus 
Echinochrome, 134 
Echinoderms, colours of, 42, 43, 
129-133 
phosphorescence of, 18 
pigments of, 133-137, 296 
Echinus, 134 
Eclectus, 252, 253, 284 
Elaps, 237 
Engyophrys, 215 
Enterochlorophyll, 34, 45, 90, 91, 
105, 129, 133-136, 190, 295 
Eolids, 188 
Epeira strix, 180 
trifoliuvi, 180, 181, 183 
Eristalis, 172 
Erythrism, 248 
Etiolin, 56, 142 
Euchone, 103 
Euglena, 73, 74 
Eulalia, 103, 105, 190 
Euphyllia, 87 
Euplocidae, 322 
Eurymela, 169 
Etcstephanusfernandensis, 275-277, 
306, 307 
galeritus, 276, 306, 307 
Evolution of Sex, quoted, 306-308 
Fishes, 297, 298 
Flamingo, 243, 251 
Flat-fishes. See Pleuronectidae 
Florideae, or Red Seaweeds, 57 
Floridines, 101 
Flounder. See Pleuronectes 
Flowers, colours of, 67-71, 3x4 
Flustra, 111 
Food, effect on colour of, 40, 41, 
75, 98, 103, 250 
Foraminifera, 75 
Forget-me-not, 68 
Fox, Arctic, 288 
Foxglove, markings of, 71, 197 
Frog, 225-227, 230, 235, 236 
Fruits, colours of, 59, 67-72, 314 
Fucus, 59 
Fundulus, 240, 241 
Fungi, pigments of, 53-55, 72 
Ftingia, the mushroom coral, 87 
Gannet, 247 
Geoplana, 97 
Globigerina, 74, 75 
Glycera, haemoglobin in, 30 
Gobius, 211 
Golden eagle, 258, 259 
Gonepteryx cleopatra, 174 
rhamni, 174 
Gordiodriltis, 103 
Gorgonidae, 94 
Green oysters, pigment of, 40, 
I93-I9S 
pigments, 44-66, 79, 88-92, 
100, 101, 105, 126, 127, 129, 
140-144, 152-154, 164, 166, 
188-190, 193-195, 223, 254. 
See also Bonellin, Chaetopterin, 
Chlorocruorin, Chlorophyll and 
Enterochlorophyll 
Guanin, in fishes, 37, 219, 221, 224 
in amphibians, 227 
in snakes, 237 
Guillemot, 249 
