Il82 



SUBJECT INDEX 



Japanese flood fever, 518 



Jaundice of silk worms, 518. See also Infectious 



jaundice 

 Jellies, enzyme preparations, 514 



Kahn Reaction, 848-60; 845 



antigen for, 850, 851, 855 



application, 859 



interpretation of results, 854, 858 



procedures, 857, 858 



serum and antigen suspension, 853 



serum, treatment for, 853 

 Kaolin, 944 

 Kefir, 395, 396 

 Keratohyalin, 24 

 Kinetic energy of molecules, 140 

 Klossiella muris, 635 

 Koser test, 366 

 Kumiss, 395, 396 



Laboratory animals 

 B. aertrycke in, 445 



CoMMtJNICABLE DISEASES OF, 607-38 



Lactation, 382 

 Lactic acid, 237, 246 



fermentation, 385 



methyl glyoxal changed to, 230 

 Ladobacillaceae, 133 

 Lactobacilli 



in milk, 394 



in souring of vegetables, 440 

 Laclobacillus acidophilus, 106, 394, 396, 641, 646 

 L. bifidus, 640 

 L. biilgaricus, 394-96 

 L. helveticum, 394 

 L. odontolyticus-acidophilus, 647 

 Lactose bile in presumptive test, 364 



Lag, 44, 59, 60, 62 



phase, 46, 49 

 Lakes, bacteria in, 58 

 Lamb-Helmholtz formula, 785 

 Lambliasis, 674 

 Lamprocystis, 324 



Lancet method for disinfectants, 301 

 Lanthanum nitrate, 572 

 Laxative, yeast as, 506 

 Leben, 395 

 Lecithin, 31, 735 



Leeches living without oxygen, 200 

 Leguminous plants 



in economic agriculture, 340 



cultures for inoculating, 334 



Root Nodules of, 332-40 



root tubercles, 590 

 Lentil, cross-inoculation groups, 334 

 Leprosy, complement fixation test in, 847 

 Leptospira sp.?, 490 

 Leptospira astenalgiae, 493 



L. hiliohemoglobinnriae, 490 



L. hebdomadis, 466, 489 



L. hemoglobinuriae, 490 



L. icterohaemorrhagiae, 466, 485, 488, 821 



L. icteroides, 485 



L. interrogans, 454, 466, 490-93 



L. pyrogenes, 489 



L. trimerodonta, 481 



Leptospiras, 454, 457-62, 485-494 



free-living, 485 



medium for, 472 



motility, 465 

 Leptothrix, 324 

 Leptolhrix innominata, 203 

 Leptothrix ochracea, 330 



Leukocytes, 776 



and agglutination, 507 



eosinophile, 873, 874 



-forming organs, 883 



in milk, 381 



neutrophile, 873, 874 



and toxins, 775 



count affected by yeast, 507 

 Leukoprotease, 876 

 Life cycles of bacteria, 40, 86 

 Life history of a culture, 41 



Light 



action on bacteria, 371 



and bacteriolysins, 376 



and coagulation of proteins, 377 



gas-, 371 



germicidal action, 371 



and oxidizing reactions, 372 



requirement of photosynthetic organisms, 281 



preservative quality, 371 



sun, 372 



action on tubercle bacillus, 373 



velocity, 138, 176 



vibrations, frequency of, 138 

 Lime paste, organisms in, 285 

 Liming, effect of, on soils, 67, 345 

 Linkage in humans, 919 

 Lipase, 399, 401 

 Lipins, 25 



from tubercle bacillus, 714 

 Lipoids 



as antigens, 707, 714, 723, 971 



anti-, sera, 707 



protein-free, 715 



Liquid 



junction, 150, 151 



spreading of one on another, 162 



surface structure, 160 

 Litmus, reduction in milk, 389 

 Localization. See Elective Localization, etc. 



of parasites in host, 665 

 Localized infections, chemotherapy of, 1105 

 Locust, cross-inoculation group, 334 

 Logarithmic growth phase, 46, 49, 50, 60, 67 

 Lugol's solution in chemotherapy, 11 27 



