io 3 8 



INDEX 



Spirochaetes, characteristics, 139 



diseases caused by, 900, 904 



form of, 107 



motility, 107 



parasitic, 900 



as protozoa, 118 



reproduction of, 107 



sheaths of, 108 



size of, 107 



Spirophyllum ferrugineum, no 

 Spoilage of canned foods, 540 

 Spongomonas uvella, 26 

 Sporangiophore, 50 

 Spores, of bacteria, arrangement, 85 

 germination of, 86 

 resistance, 85 



resistance to heat, 276 



in canning, 536 

 Sporogony, 27 



in protozoa, 129 

 Sporotrichum globuliferum, 944 

 Sporozoa, 137 



diseases caused by, 888 

 Sporozoites, 129 

 Sporulation, of ascospores, 67 

 Spot, angular of cucumbers, 974 



of larkspur, 975 



of nasturtium leaves, 976 



of plum and peach, 975 



of sugar beet, 976 

 Standards of milk, 471 



for water, 321 



Staphylococcic infections, 792 

 Staphylococcus, 87 



pyogenes aureus, 784 

 in pneumonia, 798 

 Starch fermentation, 237 



production of, 579 

 Starters, for beer, 625 



butter, 477, 481 



buttermilk, 512 



cheese, 488 



milk drinks, 507 



vinegar, 641 



wine, 614 

 Stauronautus maroccanus, 915, 917 



Steapsin, 208, 211 

 Sterigma, 39 

 Sterigmatocystis, 54 



nigra, 654 



Sterilization, agitation of container dur- 

 ing, 538 



consistency of material for, 538 

 of corn, 534 



economic considerations, 532 

 of fish, 534 

 of fruits, 535 



initial temperature of, 538 

 of meat, 533 

 of peas, 534 



size of container, relation of, 538 

 of soil, 365 



spores, relation of, 536 

 Stilton cheese, 502 

 Stolon, 50 

 Stomach, microorganisms of, 596 



protection by, 691 

 Stomoxys, 887 

 Straining of milk, 453 

 Streak disease of sweet peas and clover, 



962 



Streptobacilli, 88 

 Streptococci in sewage, 313, 330 

 Streptococcic infections, 795 

 Streptococcus, 87 



apis, in European foul brood, 



928 

 bombycis, in flacherie, 907 



morphology of, 908 

 disparis, 909 



morphology of, 910 

 faecalis, 797 

 haemolyticus, 795 

 in mouth, 594 



in production of vaccine, 738 

 lacticus, 235, 237, 446 



absence of katalase in, 216 

 inhibition of growth, 301 

 mesenteroides, capsule, 104 



in sugar, 580 



morphology and cultural charac- 

 teristics, 796 



