896 



CULTURE MEDIA FOR CULTIVATION OF MICROORGANISMS 



1627, 2146, 2150, 2369, 2371. (See also 

 nitrogen fixation, and soil bacteria.) 



Sorbose, production of, 1147. 



Spices, effect of on growth, 1206. 



Spirilla, cultivation of, 917, 1662, 1835, 2170, 

 2360, (see Spirillum desulphuricans). 



Spirillum desulfuricans, cultivation of, 181, 

 447, 1213, 1514. 



Spirochaeta, cultivation of, 280, 723, 773, 

 860, 963, 1179, 1256, 1257, 1260, 1266, 

 1365, 1366, 1367, 1374, 1637, 1899, 1919, 

 2153, 2320, 2398, 2411, (see Spirochaeta 

 pallida) . 



Spirochaeta pallida, cultivation of, 723, 860, 

 1365, 1963, 2399, 2411, 2412. 



Spironema duttoni, cultivation of, 726, 1367. 



Staphylococci, cultivation of, 1846, 2465. 



Starch, formation of by molds, 30. 

 utilization of, 625, 903, 1507, 1565, 2387, 



2395. 

 (See diastase, production.) 



Streptococci and pneumococci, differentia- 

 tion of, 775, 1992, 1996, 2015. 



Streptococci, cultivation of, 768, 772, 789, 

 791, 801, 834, 836, 842, 846, 864, 878, 910, 

 911, 957, 967, 979, 992, 1113, 1114, 1129, 

 1253, 1263, 1272, 1300, 1641, 1668, 1831, 

 1840, 1844, 1874, 1914, 1922, 1983, 2020, 

 2112, 2420, 2465, 2504. 

 differentiation of, 681, 1992, 1996. 

 growth promoting substances for, 708, 



721. 

 effect of oils on growth, 686. 



Streptothrix, cultivation of, 128, 250, 264, 

 828, 2498. 



Sugar-free medium, 539, 793. 



Sulphate, reduction of, 17, 82, 122, 181, 237, 

 373, 421, 445, 446, 447, 454, 540, 652, 

 1213, 1514. 



Sulphite, reduction of, 428, 445, 1386, 1406, 

 1789. 



Sulphur bacteria, cultivation of, 41, 44, 73, 

 74, 75, 76, 107, 108, 109, 110, 256, 390, 

 421, 422, 445, 446, 454, 672, 1173, 1403, 

 1412. 



Surface tension, effect of on growth, 635, 

 744, 845, 909. 



Tea, growth in, 1185, 1192. 



Teeth, isolation of bacteria from, 1832, 2287. 



Tetanus bacillus, cultivation of, 805, 823, 



1006, 1121. 

 Thiobacillus denitrificans, cultivation of, 



107, 108, 1403. 



Thiobacillus thiooxidans, cultivation of, 41, 

 44, 73, 74, 75, 76, 1412. 



Thiosulphate, reduction of, 422. 



Tissue, cultivation of, 1405, 1635, 2402, 

 2429, 2430. 



Tomato rot, cultivation of organisms caus- 

 ing, 1443, 1464, 1491, 2089, 2341. 



Toxin, production of, 400, 439, 463, 465, 469, 

 474, 475, 499, 516, 636, 668, 692, 716, 717*, 

 752, 781, 785, 786, 788, 804, 823, 829, 

 841a, 843, 859, 886, 951, 986, 989, 991, 

 993, 994, 998, 1001, 1006, 1123, 1125, 1139, 

 1258. 



Treponema, cultivation of, 1963, 2005, (see 

 Spirochaeta). 



Treponema pallida (see Spirochaeta pallida). 



Trichomonas, cultivation of, 1288. 



Trichophyton rodens, cultivation of, 2367. 



Trypanosoms, cultivation of, 1622, 1638, 

 1860, 1892, 1893, 1898, 2152. 



Tubercle bacilli, cultivation of and growth 

 requirements, 31, 32, 47, 132, 146, 228, 

 233, 236, 239, 242, 244, 246, 248, 249, 265,' 

 266, 268, 271, 287, 298, 300, 315, 318, 

 319, 338, 351, 367, 374, 376, 379, 396, 412, 

 437, 458, 462, 466, 467, 468, 476, 477, 478, 

 492, 514, 546, 585, 699, 825, 832, 873, 874, 

 884, 936, 951, 1007, 1170, 1298, 1337, 1364, 

 1371, 1372, 1424, 1450, 1474, 1499, 1543, 

 1572, 1574, 1610, 1631a, 1746, 1808, 1869, 

 1887, 1946, 1947, 1949, 1951, 1958, 1960, 

 2023, 2038, 2071, 2118, 2119, 2149, 2156, 

 2178, 2183, 2213, 2255, 2258, 2273, 2289, 

 2310, 2313, 2383, 2407, 2409, 2410, 2423, 

 2424, 2428, 2436, 2437, 2438, 2439, 2443, 

 2444, 2446, 2447, 2463, 2464, 2496, 2497, 

 2498, 2501, 2515. 

 Tuberculin, production of, 699, 825. 

 Tyrosine, utilization of, 405. 

 Tyrothrix tenus, cultivation of, 36. 



Unna-Ducrey bacillus, cultivation of, 1257, 

 1647, 1988, 2058, 2142, 2154. 



Urea, production of, 472. 



Urea bacteria, cultivation of, 470, 471, 488, 

 490, 493, 679, 918, 1325, 1334, 1355, 1356^ 

 1390, 1526, 1752, 1768, 1817, 2215, 2306, 

 2315, 2327. 



Urease, production of, 42, 590, 493, 678, 679, 

 918, 1325, 1355, 2327. (See Urea bac- 

 teria.) 



Uric acid bacteria, growth of, 502, 507, 678, 

 1528. 



