INDEX OF SUBJECTS 



895 



Temperature, influence of, on actino- 

 myces, 299 

 influence of, on bacterial numbers, 32 

 influence of, on biological activities 



in soil, 774 

 influence of, on energy utilization, 



419 

 influence of, on fungi, 244 

 influence of, on nitrate formation, 



539, 776 

 influence of, on nitrogen fixation, 583 

 influence of, on oxidation processes 



in soil, 523 

 influence of, on period of incubation 



of plates, 23 

 influence of, on protozoa, 314, 320, 



327 

 of soil and biological activities, 640 

 of soil and plant diseases, 811 



Temperature, selective use of, in the 

 separation of soil bacteria, 166 



Teratocephalus, 350 



Termites in soil, 339, 363 



Terricolae, 342, 351 



Testacea, 332 



Testacella, 359 



Testaceous rhizopods, 315 



Tetmemorus, 229 



Tetracoccus, 154 



Tetramitus, 334 



Thamnidium, 258 



Thamnidiaceae, 249 



Thecamoebae in soil, 48, 326, 328 



Thermoascus, 418 



Thermophilic actinomyces, 300 

 bacteria, 155-158, 774, 775 

 anaerobic bacteria, 166, 176 

 cellulose-decomposing bacteria, 157, 



439-441 

 denitrifying bacteria, 157, 188 

 nitrogen-fixing bacteria, 157 

 occurrence of, bacteria, 156 



Thielavia basicola, 808, 811 



Thiobacillus, 78, 151, 605 

 denitrificans, 79, 86, 87, 100, 188, 



398, 399, 400, 637 

 thiooxidans, 79, 89, 90, 91, 92, 100, 



399, 400, 401, 606, 609, 615, 637, 832 



Thiobacillus thioparus, 79, 85, 86, 91, 



92, 100, 398, 399, 606 

 Thiobacteria, 59 

 Thiobacteriales, 78 

 Thiobacterium, 83 

 Thionic acid bacteria, 79, 88, 398 

 Thiophysa volulans, 82 

 Thioploca, 80 

 Thiospirillum, 79, 82 

 Thiosulfate, chemical oxidation of, 603 

 oxidation of, by sulfur bacteria, 84, 



188, 606 

 media for sulfur bacteria, 84 

 Thiothrix, 79, 80, 81, 100, 397, 398, 606 

 Thiovulum, 79, 82 

 Thread-forming bacteria, 79, 80 

 Thysanoptera, 358 

 Thysanura, 358 



Tick trefoil, nodule bacteria of, 136 

 Ticks in soil, 342 

 Tilachlidiujn, 256 

 Tilletia tritici, 812 

 Tipula, 356 

 Tipulidae, 361 



Tissues as reducing agents, 171 

 Toluol, as an agent of partial steriliza- 

 tion of soil, 753, 755 

 influence of, on nitrate formation, 536 

 oxidation of, by bacteria, 97, 205 

 Tolypothrix, 227 



Torula ammoniacale, 206, 251, 255 

 Toxin theory of partial sterilization 



of soil, 760 

 Trachelomonas, 334 

 Trailing wild bean, nodule bacteria of, 



137 

 Tremaloda in soil, 341, 345 

 Tribonema, 229 



Tri-calcium phosphate (see Phosphate) 

 Trichocera, 358 

 Trichocladium, 264 

 Trichoderma, 3, 253, 258, 259, 260, 265, 



443, 514, 642, 701, 817 

 koningi, 250, 259, 260, 267, 379, 495, 



808 

 lignorum, 808 

 Tricholoma, 276, 278 

 Trichothecium, 255, 258, 459 



