USE INDEX 



895 



Negri bodies, cultivation of, 1231, 1338. 



Nitrate, production of, 11, 64, 86, 87, 88, 89, 

 90, 91, 92, 255, 324, 1427, 2472, (see nitra- 

 tion and nitrifying bacteria). 



Nitration (see nitrate and nitrifying bac- 

 teria). 



Nitrification, study of (see nitrites, ni- 

 trates and nitrifying bacteria). 



Nitrifying bacteria, cultivation of, 494, 504, 

 558, 649, 817, 1419, 1420, 1423, 1425, 

 2472, 2480, 2518, 2519, 2542, (see nitro- 

 sation and nitration). 



Nitrites, production of, 11, 57, 58, 60, 61, 62, 

 63, 65, 66, 67, 68, 69, 70, 72, 183, 253, 

 491, 559, 819, 1397, 1417, 1422, 1967, 2194, 

 2195, 2368, 2473, 2483, 2485, 2531, (see 

 nitrifying bacteria). 



Nitrogen, assimilation of, 129, 158, 159, 161, 

 164, 176, 204, 212, 255, 472, 544, 580, 587, 

 599, 1149, 1237, 1278, 1280, 1281, 1351, 

 1359, 1384, 1396, 1404, 1452, 2083, 2535, 

 (see metabolism). 



Nitrogen fixation, 4, 9, 14, 16, 24, 81, 94, 114, 

 119, 121, 123, 124, 125, 130, 133, 143, 149, 

 150, 152, 153, 154, 156, 157, 163, 166, 170, 

 173, 174, 175, 177, 179, 182, 183, 184, 186, 

 187, 188, 562, 1154, 1162, 1163, 1377, 1379, 

 1407, 1408, 1432, 1435, 1437, 1441, 1458, 

 1623, 2130, 2133, 2137, 2140, 2141, 2193, 

 2197, 2307, 2340, 2344, 2345, 2348, 2523, 

 (see B. radicicola, azotobacter, nodule 

 bacteria, nitrogen assimilation). 



Nitrosation, (see nitrites and nitrifying 

 bacteria). 



Nodule bacteria, cultivation of, (see nitro- 

 gen fixation, B. radicicola) . 



Nostoc punctiforme, cultivation, growth 

 of, 29. 



Nutrition, study of bacterial, (see metabo- 

 lism, and nitrogen assimilation). 



Peptone, substitute for, 978, 1004, 1110, 

 1130, 1165. 



Perithecium, formation of, 432, 434. 



Petroleum oxidizers, cultivation of, 1460. 



Phenol, production of, 402, 673. 



Phosphorescence, study of, 55, 56, 2252, 

 2362. 



Photogenic bacteria, growth of, (see phos- 

 phorescence). 



Pigment production, study of, 8, 35, 148, 

 305, 308, 309, 317, 377, 382, 388, 429, 430, 

 436, 441a, 442, 448, 464, 1409, 1431, 1434, 

 1453, 1489, 1493, 1501, 1576, 1581, 1593, 

 2102, 2106, 2139, 2260, 2263, 2384, 2392, 

 2397, 2475, 2509. 



Piroplasma, cultivation of, 1265, 2152. 



Plague bacilli, cultivation of, 1341, 1683, 

 1684. 



Plasmodium, cultivation of, 1289. 



Pneumococci, cultivation of, 725, 791, 836, 

 842, 852, 867, 878, 955, 992, 1113, 1114, 

 1129, 1253, 1263, 1272, 1282, 1641, 1840, 

 1844, 1874, 1879, 1881, 1897, 1914, 1987, 

 1992, 1997, 2017, 2038, 2112, 2465. 



Potato, substitute for, 1593, 2509. 



Propionic acid bacteria, growth of, 644. 



Protease, production of, 10, 412, 579. 



Proteolysis, study of, 10, 410, 579, 954, 2022, 

 2024, 2214, 2234. 



Protozoa, cultivation of, 173, 179, 515, 632, 

 876, 888, 945, 947, 1180, 1194, 1251, 1252, 

 1259, 1273, 1289, 1363, 1389, 1395, 1449, 

 1855, 1908, 1964, 2078, 2122, 2124, 2152, 

 2165, 2186, 2194, 2382. 



Pseudomonas campestris, cultivation of, 

 1181, 2281, 2489, 2502, 2503, 2505. 



Purple bacteria, cultivation of, 1540, 1563, 

 1573, 2254, 2256. 



Quinone, production of, 2205, 2209. 



Oospora (Oidium) lactis, utilization of car- 

 bon sources, 50, 1582. 



Oils, influence on growth of streptococci, 

 686. 



Oxalic acid, formation of, 15, 905, 1535, 

 1693, 2303. 



Paraflan oxidizers, cultivation of, 240, 294, 



1187, 1380, 1479, 1850. 

 Pasteurella, cultivation of, 1948. 

 Pectin bacteria, cultivation of, 1209. 

 Pectin, destruction of, 1208. 

 Penicillium, cultivation of, 43, 211. 



Radiobacter, cultivation of, 14. 



Reaction, effect of on growth, 438, 538, 687, 



693, 911, 1694, 1709, 2376. 

 Rickettsia bodies, cultivation of, 2430. 



Schizomycetes, cultivation of, 49, 209, 310, 

 312, 486, 1185, 1233, 1329, 1349, 1351. 



Serum agar, substitute for, 1863, 2292. 



Soil bacteria, cultivation of, 136, 1467, 1488, 

 1504, 1508, 1512, 1526, 1564, 2189, 2196. 



Soil, determination of bacterial counts in, 

 1439, 1488, 1504, 1518, 1539, 1549, 1590, 



