SAPODILLA, 125, 127 

 SAPONARIA OFFICINALIS. 231 

 SAPROLEGNTA (SPP.). 39. 44 

 SAPROUEG^flACEAE. 19 

 SAPROLEGNIALES. 19, 20 

 SARCINA LUTEA. 253. 254 

 SARCODINA (SPP.), 31 

 SARCOMA, 226 



SARCOPHAGA FALCULATA, 21 

 SATURNIA PYRl, 199, 205 

 SCAl,UOP(S), 108. 110 

 SCANDIUM. 147 

 SCENEDESMXIS (SPP. ). 19, 239 

 SCHISTOSO.MA MANSONI, 231 

 SCHIZOPHYLLUM COMMUNE. 39, 44 

 SCHLZOSACCHAROMYCES (SPP. ), 41. 44 

 SCHIZOTHECIUM LONGICOLLE. 39 

 SCHWANNOMYCES OCCIDENTALIS. 44 

 SCIATIC NERVE. 227 

 SCINUSOFFICIANAUS. 197. 203 

 SCLEROTINIA (SPP.), 44 

 SCLEROTIORINE. 218 

 SCLEROTIOSE. 218 

 SCLEROTIUM (SPP.). 39, 44, 217 

 SCORZONERA HISPANICA. 97 

 SCRATCH FEED. 72 

 SCULPIN. 198. 204 



SEA. -anemone. 201. 208; -cucumber. 201 

 208;-hare. 200. 206;-horse. 198. 204;-lion 

 82. 83;-mouse. 201. 208; urchin. 201,208 

 -water, 99 

 SEAL, V' >'^' ^"^ 

 SEAWEED; 104 

 SEBUM, 211 



SEC ALE CERE ALE, (See RYE) 

 SEDUM DENDROIDEUM. 233 

 SEECKS). 143. 144. 235 

 SELACINELLA MARTENSU. 2 37 

 SELENIUM. 6. 148. 173. 214 

 SEMINAL VESICLES, 164, 229 

 SEPLA OFFICINALIS, 200, 206 

 SEPTORIA (SPP.), 39, 44 

 SERINE, In culture media, 100; in meUbolic 

 reactions, 179. 180. 188; as nutrient. 8. 

 24, 35-37; nutrient requirements for. 23; 

 •dehydrase. 161 

 SERRATIA MARCESCENS. 37. 47. 175. 220 

 SEWAGE SLUDGE. 104 

 SHEEP. 70. 80. 86. 87. 151. 153. 224. 227. 



244 

 SHEEPSHEAD. 198. 205 

 SHELLFISH. 107. 108. 110 

 SHIGELLA (SPP.). 37. 47 

 SHIKIMIC ACID. 8, 15 

 SHOE BILL, 90 

 SHRIMP, 230 

 SHRUB(S), 105 

 SILAGE, 137, 139, 144 

 SILICATE(S), 149; (See also SILICON) 

 SILICON, absorption, retention of. 149; daily 

 allowances of. 48-74; excretion of, 149 

 214; as a nutrient, 6; metabolism of, 152: 

 in mUk, 1 1 1 

 SILVER. 148, 214 

 SIMMS' SOLUTION, 94 

 SIPHONOPTERA, 21 



SIPUNCULOIDEA, 201, 208, (See also WORM) 

 SISTOTREMA (SPP.). 44 

 SITATUNCA. 86. 87 

 SITOSTEROL. 28 

 SKELETON. 154 

 SKIN. 153. 222 

 SLAG. 102 

 SLUG. 200. 206. 207 

 SMELT. 83. 90 



SMERINTHUS OCELLATUS. 21 

 SNAIL. 154. 200. 207. 230 

 SNAKE. 197. 203 

 SNAPDRAGON. 105, 233 

 SOAP(S), 211 



SODIUM, absorption. retentlDO of. 147; dally 

 allowances of. 48-74; deficiency of and 

 reproduction. 164; excretion of. 147, 214; 

 In foodstuffs, 117, 119, 1 2 1 ; metabolism 

 of, 152; in milk. 111; as a nutrient, 6, 21; 

 and sou pH. 172 

 SODIUM SALTS, in tissue culbire solutions. 



94; as nutrients. 19. 96. 98, 99, 101; in 

 fertlliiers, 102, 103; in insect diets. 92 

 SOIL, nitrogen in. 194; -pH. 105. 172. 173 

 SOLANIONE. 218 



SOLANUM MELONGENA. 113. 118. 119. 

 122. 125; -tuberosum. (See POTATO) 

 SOLE. 198. 205 



SOLUTION(S). nutrient, for plants. 32. 95. 

 99. tor tissue culture, 94; (See also 

 specific soluUons as CZAPEK'S, SIMMS') 

 SORBICILLIN, 216 

 SORBITAN, 9 

 SORBITAN MONOOLEATE, (See "TWEEN" 



COMPOUNDS) 

 SORBITOL, 25, 26, 40, 41 

 SORBOSE. 25. 26. 38-41. 220 

 SORDARIA FIMICOLA. 39, 44 

 SORGHUM, 105, 135, 137-139, 235 

 SOURSOP. 125. 127 



SOYBEAN. 22. 91. 93. 104. 105. 115. 120. 

 121. 123. 130. 135. 13i. 138. 139. 144 

 SPAGHETTI. 143 

 SPARE RIBS. 107. 110 

 S PATHULARIA FLAVIDA. 44 

 SPATTERDOCK. 233, 234 

 SPERM, 164, 249 

 SPERMATOGENESIS, 164 

 SPERMATOPHYTES, 5-7, 9. 10, 12-20 

 SPERMIDINE. 15 

 SPERMINE. 15 



SPERMOPHTHORA (SPP.). 44 

 SPHEROIDES MACULATUS. 198. 204 

 SPHAEROBOLUS STELLATUS. 44 

 SPHAEROPSIS (SPP.). 39. 44 

 SPHAERULINA (SPP.). 44 

 SPHAGNUM CUSPIDATUM, 237 

 SPHENISCIFORMES, 90 

 SPHINGOMYELIN. 27. 179. 186 

 SPHINX LlGUSTRl. 199, 205 

 SPICULOSPORIC ACID, 216. 217 

 SPIDER. 183 

 SPIDERWORT. 105 

 SPINACH. (SPINACIA OLERACEA), 93, 105 



115. 120. 121. 123. 128. 142. 233 

 SPINAL CORD. 228 

 SPINULOSIN. 218 

 SPmOGYRA (SPP.). 239 

 SPIROSTOMUM (SPP.). 201. 208 

 SPLEEN. 147-149. 192. 222. 224 

 SPOROCYTOPHAGA (SPP. ). 175 

 SPOROMIA (SPP.), 44 

 SPOROTRICHl<M (SPP.). 44 

 SPOROVIBRIO (SPP.). 19. 176 

 SPRUCE. 105; -budworm parasite. 26. 30 

 SQUALENE. 187, 211 

 SQUASH. 105. 115. 120. 121. 123. 142 

 STABILITY OF NUTRIENTS. 140. 141 

 STACHYBOTRYS (SPP. ). 44 

 STAPHILINUSOLENS. 253. 254 

 STACHYDRINE. 219 

 STAPHYLOCOCCUS (SPP. ). 47 

 STARAPPLE. 125, 127 

 STARCH, 25, 26, 40, 41. 178, 184, 185 

 STEAK, 106, 109 

 STEAPSIN LIPASE, 179 

 STEARIC ACID, 28 

 STEGOBIUM (SPP. ). . (See BEETLE) 

 STEM(S). 168-171 

 STEREUM (SPP.), 44 

 STERILITY. 154 

 STEROID(S). 9. 161. 187. 212 

 STEROL(S). 28. 219 

 "STIFFNESS SYNDROME". 9 

 STIGMASTEROL. 9. 28 

 STIPITA'nC ACID. 217 

 STOMATITIS. 154 

 STRAWBERRY. 105. 115. 120. 121. 123. 



129. 236 

 STREPOGENIN. 7. 15. 17 

 STREPSICEROS STREPSICEROS. 86. 87 

 STREPTOCOCCUS (SPP.). 13. 20. 100. 101 



175. 220. 221. 240 

 STREPTOMYCIN, 14 

 STRIGIFORMES, 90 

 STRIGOMONAS (SPP.). 31. 2J2 

 STROMATINIA (SPP.). 44 

 STRONGYLUS EQUINUS. 231 



STRONTIUM. 6. 148. 174 

 STROPHARIA (SPP.). 44 

 STRUTHK) CAMELU3. 90 

 STRUTHIONIFORMES. 90 

 STYLONICHIA PUSTULATA. 31 

 STYSANUS STEMONITIS. 39 

 SUBTROPICAL FRUITS. 124-127 

 SUCCINATE. 34. 40. 41. 180. 191. 217 



220. 221 

 SUCCINIC, acid (See SUCCINATE); 

 -dehydrogenase. 162, 189, 191; 

 -semialdehyde, 193 

 SUCCINIMIDE, 17 

 SUCCINYL-COA, 188, 193 

 SUCRASE, 178 

 SUCROSE, 25. 26. 34. 38-41. 69, 91, 



98, 101. 178 

 SUCTORIA. 13 



SUDAN GRASS HAY. 136. 139 

 SUGAR. 26. 34. 75. 76. 93. 98. 130. 213 

 (See also SUCROSE; see also specific 

 sugars) 

 SUGARAPPLE. 125, 127 

 SUGARCANE. 105. 130 

 SULFA DRUGS. 67 

 SULFATE(S). 8. 19. 20. 152 

 SULFONAMIDES. 14 

 SULFUR, daily allowances of. 48-74; 



deficiency signs. 167; excretion of. 214; 

 in fertilizers. 102-104; in foodstuffs. 121, 

 166; functions of. 166: metabolism of. 152; 

 in milk. 1 1 1; as a nutrient. 6. 19-21. 33. 

 174-176; in nutrient solutions for plants. 

 32; and soil pH. 172; sources of. 19; tox- 

 icity signs. 167; -bacteria. 175; -compounds, 

 19. 20. (See also specific sulfur compounds): 

 -containing amino acids, 7. 20. 21. 23. 36, 

 180. (See also CYSTEINE. CYSTINE. METHI- 

 ONINE); -containing vitamins, 20, (See also 

 BIOTIN, THIAMINE) 

 SULFURIC ACID. (See SULFATE) 

 SULOCHRIN. 217 

 SUNFLOWER. 96. 97. 105 

 SWAN. 197. 203 

 SWEAT. 152. 209-214 

 SWEETBREADS. 106. 109 

 SWEETCLOVEH. 105. 137. 139 

 SWEETFLAG. 234 

 SWEETPOTATO. 75, 76. 93. 105, 115, 120 



121, 123, 234 

 SWINE, 23, 71, 132, 146, 251 (See also HOG, 



PIG) 

 SWISS CHARD, 142 

 SYNCEPHALASTRUM (SPP. ). 39. 44 

 SYNCERUS (SPP.). 84. 85 

 SYNECHOCOCCUS. 19 

 SYPHACIA OBVELATA. 231 



TAGETES ERECTA. 96. 97 



TAMARIND. (TAMARINDUS INDICA). 125. 127 



TANGERINE. 115. 120. 121. 123 



TANKAGE. 104. 132. 133 



TAPIR (TAPIRELLA SPP.). 88. 89 



TARAXACUM OFFICIANALE (See DANDELION 



GREENS) 

 TATUM'S MIXTURE, 92 

 TAURINE, 20^ 180, 211 

 TAXIDEA TAXUS TAXUS. 82, 83 

 TAYASSAU PERCAI, 86, 87 

 TDN (TOTAL MGESTIBLE NUTRIENTS), 61, 



62, 70, 71 

 TEETH, 150. 151 

 TELLURIUM. 148 



TEfCBRIO MOLITOR. (See MEALWORM) 

 TENDERLOIN, pork. 107. 110 

 TERMITE. 25 

 TERREIN. 217 

 TERRESTRIC ACID. 217 

 TESTIS, 154, 164, 229 

 TESTUDO (SPP.), 197, 203 

 TETRAHYMENA (SPP^). 8. 12-15. 18. 20, 31 

 TETRAHYDROPHOENICIN. 218 

 TETRATHIONATE. 19 

 TETRANIC ACID. 216 

 THALAMUS. 228 



THALARCTOS MARITUnjS: U. ft 

 THALLIUM. 148 



378 



