INDEX 



405 



Neurospora sitophila, 39, 41, 115, 251, 



252, 254 

 Nicotinic acid, 322 



need of yeasts for, 280 

 Nicotinic acid amide, 331 

 Nitrates, utilization of by j'easts, 64 

 Nocardia, 351, 353, 364 



generic use of, 351, 353, 364 



in soils, 364 



morphologj' of, 364 

 Nocardia asteroides, 59, 60, 372, 381 

 N. Canis, 381 

 N. Caprae, 381 

 N. farcinica, 381 

 N. gypsoides, 382 

 N. madurae, 213, 379 

 N. viexicana, 213, 380 

 N. Pelletieri, 380 

 N. somaliensis, 380 

 Nocardiaceae, 350 

 Nocardiosis, 380 



North American blastomycosis, see 

 Blastomycosis, North American 



Oidia, 4, 83; see also Arthrospores 

 Oidium, generic use of, 292, 298 

 Oidium derma tiditis, see Blastomyces 



dermatidilis 

 0. lactis, 252; see also Geotrichum 



candid um 

 Onychomycosis, 175 

 Oogonium, 10, 29 

 Oomycetes, 28, 33, 81 

 Oospora, generic use of, 351 



in wool, 257 

 Oospora lactis, see Geotrichum can- 



didum 

 0. scabies, see Streptomyces scabies 

 O. verticilloides, 50 

 Oospores, 30 



Oranges, mold spoilage of, 253 

 Ornithine cycle of Krebs and Hens- 



leit, 219 

 Osmophilic yeasts, 316 

 Otomycosis, 208 

 Oxalic acid, 220 



Paecilomyces, 106 

 Pantothenic acid, 318, 322 

 Paracoccidioidal granuloma, 186 



Paracoccidioides brasiliensis, see 



Blastomyces brasiliensis 

 Parasitella, 84, 93 

 Parasites, of molds, 93 

 Parthenogenesis, 267 

 Pasteur effect, 319 

 Pathogens, habitat of, 123 

 Pectinase, 248 

 Penicillin, 385 



chemistr>' of, 386 



culture methods for production of, 

 387 

 bran culture, 388 

 column culture, 388 

 submerged culture, 388 

 surface culture, 387 



historical, 385 



inactivation by metals, 389 



method of assay, 387 



mixtures of, 389 



molds used in production of, 387, 

 388 



Oxford unit, 387 



purification of, 389 



selective action toward bacteria, 

 386 

 Penicilhn B, 394 

 Penicillinase, 388 

 Penicillium, 97, 102 



in raw cotton, 255 



in soil, 258 



on wool, 257 



production of citric acid, 220 



production of fumaric acid, 226 

 Penicillium camemberii, 105, 248 

 P. chrysogenum, 225, 386 

 P. citrinum, 50 

 P. expansum, 252 

 P. glaucum, 103, 226 

 P. italicum, 253 

 P. janthelinum, 106 

 P. luteuvi, 105 

 P. notatum, 385, 387, 388 

 P. pinophilum, 105 

 P. purpurogenum var. rubisclerotium, 



225 

 P. roquejorti, 216, 248 

 P. rubrum, 385 

 P. stolonij erum , 105 

 Penicillus, 103 



