SUBJECT INDEX 



Spear grass, 293 



Speedwell, 293 



Spermatozoa, 165, 194, 203, 232, 267 



Spikes, barley, 88 



Spinach leaves, 8, 11, 293, 302 



Spindle tree berries, 32 



Spiny tailed iguana, 226 



Spleen, cow, 244 



— newt, 211 

 Sponges, 155-6 



Spirilloxanthin (see rhodoviolascin) 

 Sporogenesis, 148 

 Sporopollenien, 52 



Spring onions, 293 



Sprouting broccoli, 22 



Sprue, 236 



Squashes (see pumpkins) 



Seeds, 42-4 



Squid, common, 179 



Star apple, 302 



Starch in plants, 71 



Stecklings, 57 



Stem growth, 86 



Stereochemistry of carotenoids, 8-12 



Steroids and carotenogenesis, 115 



Stick grass, 293 



Stigma of algae, 135 



Stomach of frog, 212 



— of whale, 168 

 Stork, 260 



Strawberries, 297, 304 

 Streptomycin and carotenogenesis, 



83 

 Sudan grass, 293 

 Sugar beet ,293, 297 

 Sulcatoxanthin, 158 

 Sulphanilamide, 72 

 Sulphur and carotenogenesis, 77 

 Sulphur-containing bacteria, 210 

 Sunflowers, 73 

 Suprarenal fat, 231 

 Surf perch, 192 

 Sweat, human, 232 

 Swedes, 55, 293 

 Sweet clover, 293 

 Sweet granadilla, 304 

 Sweet lime, 302 

 Sweet pepper, 302 

 Sweet potato, 54, 55-7, 293, 297, 300 

 Sweet sop, 302 

 Swine, 239, 247-8 

 Swiss chard, 78, 293, 300 

 Switch grass, 294 

 Sword bean, 297 

 Symbiotic carotenogenesis, 123 

 Symmetrical fission of ^-carotene, 



269, 274-5 



" T " genes and tomato carotenoids, 



80 

 Tabaco, 304 

 Tall dropseed, 294 

 Tall oat grass, 294 

 Tamarind, 297 

 Tampala, 300 

 Tangerine, 297, 304 

 Taraxanthin, 26-7, 44, 47-8, 50-1, 



129, 134, 142-4, 158-9, 



181-5, 191-3, 195, 202, 



204, 206, 211 

 Tareoxanthin, 51 

 Taro, 300 

 Tea leaves, 294 

 Telial galls, 83, 108 

 Temperature and carotenogenesis, 



41, 75, 93^, 126-7, 141 

 Terpenes and carotenogenesis, 114 

 Terrapins, 226 

 a-Terthienyl, 67 

 Testes, 165, 180, 210-12, 244-5 

 Testicular cycle of coelenterates, 161 

 Tetrahydrolycopene (see neurospo- 



rene) 

 Tetrahydrophytoene, 12, 29, 25, 



67-70 

 Tetraketo- P-carotene (see astacin) 

 Tetronerythrin (see astaxanthin) 

 Thallophyta, 99-151 

 Thiouracil, 280-1 

 Thiourea, 126 

 Thistle, 294 

 Thoracic lymph, 277-8 

 Thymus, cow, 244 

 Thyroglobulin, 282 

 Thyroid gland, 235, 275 

 Timothy, 294 

 Toads, 210-13 

 Tobacco leaves, 11, 20, 76, 81, 83, 



294 

 Tocopherols, 252 

 Tomatoes, 25, 27-30, 39, 66-9, 71, 



80-1, 297, 304 

 Tongue of frog, 212 

 Toothed whale, 197 

 Torularhodin, 104, 106-8 

 Torulene, 102, 105-8, 116-17 

 Torulopsidaceae, 105 

 Tortoise, 226 

 Tran^-crocetin, 147 

 Trollixanthin, 48, 51 

 Tropical evergreens, 23 

 Trout, 203-4, 207-8 

 Tufted hair grass, 294 

 Tulips, 52, 294 

 Tunicates, 189-90 

 Turkeys, 260, 263 



355 



