340 



COLOUR IN NATURE 



Crustacea, pigments of, 44-47, 124- 

 129, 133, 136, 137, 155, 164, 

 165, 187, 189, 294, 296, 298, 

 299, 314 



Cyanea, 92 



Cyanein, 92, 93, 133 



Cynocepkalus, 286 



Cynolesbia^ 323 



Daffodils, 69 

 Dahlia, 69 



Danaidse, 316, 322, 323 

 Daphnia, 118, 125 

 Darwinism, quoted, 3, 139, 161, 

 304-308 

 huSt 254 



153. 154 

 Delesseria, 57 

 Dendrophyllia, 87, 88, 94 

 Development of colour in spiders, 



180, 181 

 Diadema, 131, 132 

 Diaptomus, 118 

 Didemnufn, 207 

 Diptera, 172 

 Discosoma, i<^j, 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, 29s 



Eolids, 188 



Epeira sirix, 180 



trifolium, 180, 181, 183 



Eristalis, 172 



Erythrism, 248 



Etiolin, 56, 142 



Euchone, 103 



Euglena, 73, 74 



Eulalia, 103, 105, 190 



Euphyllia, 87 



Euplocidae, 322 

 EuryTnela, 169 



Eustepkanusfernandensis, 275-277, 

 306, 307 

 galeritus, 276, 306, 307 

 Evolution of Sex, quoted, 306-308 



Fishes, 297, 298 



Flamingo, 243, 251 



Flat-fishes. See Pleuronectidse 



Florideaa, or Red Seaweeds, 57 



Floridines, loi 



Flounder. See Pleuronectes 



Flowers, colours of, 67-71, 314 



Plustra, III 



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 

 Fungia, the mushroom coral, 87 



Gannet, 247 



Geoplana, 97 



Glohigerina, 74, 75 



Glycera, haemoglobin in, 30 



Godius, 211 



Golden eagle, 258, 259 



Gonepteryx cleopatra, 174 



rjuvmni, 174 

 Gordiodrilus, 103 

 GorgonidEe, 94 



Green oysters, pigment of, 40, 

 193-195 

 pigments, 44-66, 79, 88-92, 

 100, loi, 105, 126, 127, 129, 

 140-144, 152-154, 164, 166, 

 188-190, 193-195, 223, 254. 

 See also BonelHn, Chsetopterin, 

 Chlorocruorin, Chlorophyll and 

 Enterochlorophyll 

 Guanin, in fishes, 37, 219, 221, 224 

 in amphibians, 227 

 in snakes, 237 

 Guillemot, 249 



