CAROTENOIDS 



Cryptoxanthol, 3 



Cucumber, 295, 304 



Curly mesquite grass, 290 



Curry leaf, 290 



Custard apple, 295, 302 



Cuticle of grasshopper, 218 



— of locust, 222, 224 



Cuttle fish, 179 



Cyanophyceae, 135-7 



Cyclised Vitamin A (see Anhydro- 



vitamin A) 

 Cynodon, 290 

 Cynthiaxanthin, 189 

 Cystogenes, 103 



Dace, 175 



Dakota brome, 290 



Dallis grass, 290 



Dandelion, 290 



Dandelion pollen, 53 



Darier's disease, 236 



Decapods, 168 



Deer, 245 



Deer fig, 304 



Dehydro- P-carotene (see leprotene) 



Desert locust, 218-19, 222 



Destruction of carotenoids, 252-3 



Detritus, air-borne, 210 



— marine, 199 



Dhub grass, 290 



Diabetes, 233-4 



Diadinoxanthin, 131, 133, 135, 137, 



140, 142-4 

 Diatoms, 130-2 



2 : 4-dichlorophenoxyacetic acid, 



effect on carotenogenesis of 



french beans, 83 

 5 : 6, 5' : 6'-diepoxyzeaxanthin (see 



Violaxanthin) 

 5 : 8, 5' : 8'-diepoxyzeaxanthin (see 



auroxanthin) 

 Digestive juice of siphunculoids, 166 

 Dihydro-P-carotene, 271 

 Dihydrophytylbromide, 64 



3 : 3'-dihydroxy-a-carotene (see 



lutein) 

 3 : 3'-Dihydroxy-P-carotene (see 



zeaxanthin) 

 3 : 3'-Dihydroxydehydro-p-carotene 



(see eschscholtzxanthin) 

 3:3'- Dihydroxy-4 : 4'- diketo - 3 - 



carotene (see astaxanthin) 

 3 : 3'-Dihydroxylycopene (see lyco- 



phyll) 

 Dihydroxyrubixanthin (see gazania- 



xanthin) 



Digitaria, 290 



3 : 3'-Dimethoxy-Y-carotene (see 

 torulene) 



1 : 1-Dimethylglutaric acid, 13 



Dimethylmalonic acid, 13 



Dimethylsuccinic acid, 13 



Dinophyceae, 134-5 



Dinoxanthin, 



Diphenylamine as inhibitor of caro- 

 tenogenesis, 115-16, 118, 

 126 



Diurnal variation in carotenoid con- 

 tent of plants, 19, 71 



Dock, 290 



Dodecahydrolycopene (see phytoene) 



Dogs, 247, 279 



Dolichos, 290, 295 



Drought and carotenoid production 

 in plants, 20, 78-9 



Drumstick grass, 290 



Duck eggs, 259 



Dung (see faeces) 



Durian, 304 



Ear wax of cattle, 245 



Earthworms, 205 



Early white clover, 290 



Eastern grama, 291 



Echinenone, 136-7, 142-4, 156, 162- 



5, 181-5, 189-90 

 Echinochrome, 209 

 Echinoderms, 161-5, 183, 186-7 

 Echinoids, 163-5 

 Eczema, 236 

 Eggs of birds, 259-^0, 264-6 



— cephalopods, 179 



— coleoptera, 214 



— copepods, 167, 186 



— decapods, 167, 169-70 



— fresh water gastropods, 201-2 



— fish, 193^, 196, 202-3 



— insects, 215, 219, 200-1, 224-5 



— reptiles, 226-7 

 Egg plant, 295, 306 

 Egyptian clover (see Berseem) 

 Eicosahydrolycopene (see tetrahydro- 



phytoene) 

 Elder leaves, 23 

 Elder berry, 24 

 Elephant, 247 

 Elephant apple, 295 

 Elephant grass, 291 

 Elm leaves, 19 

 Eloxanthin, 44, 57 

 Elytra of ladybirds, 214 

 Embryos of goose barnacle, 170 



346 



