204 LABORATORY GUIDE IN BACTERIOLOGY 



97; viscosus, 159; welchii, 134; 

 xerosis, 124, 126. 



Bacteria: and spores in soil, 165; 

 chromogenic, 97; from the air, 

 87; intestinal, loi; legume, 

 176; nitrate, 174; nitrite, 171, 

 172; number in air, 87. 



Bacterial examination: of air, 

 87; of milk, 88, isi; of soil, 

 163; of water, 84, 141 . 



Bacteriological technic, 1. 



Baker's yeast, 190. 



Beerwort: agar, 32; gelatin, 32; 

 hopped, 32; liquid, 32; media, 

 32- 



Berkefeld filter, 10, 92. 



Bile-salt agar, 33; broth, 33. 



Bismarck brown, 44. 



Blastomyces dermatitidis, 132. 



Blood agar, 40. 



Blood serum, 31. 



Bottcher's moist chamber, 183. 



Bouillon, 18. 



Bread paste medium, 41. 



Brewer's yeast, 190. 



Broth: add, 41; bile-salt, 33; 

 calcium carbonate, 41 ; glycerin, 

 36; meat, 31; nitrate, 41; 

 pepton, 18; sugar-free, loi, 

 113; standard method of. pre- 

 paring, 30. 



Brownian movement, 76. 

 Buchner's method of anaerobic 



cultivation, 136. 

 Budding of yeasts, 80. 



Calcium carbonate broth, 41. 



Capaldi's egg medium, 37. 



Capaldi's medium, 35. 



Capsulated group, 123. 



Capsule stain, 109; Friedlander's, 

 109; Eosenow's, no; Welch's 

 no; Welch's modified, 138. 



Carbol fuchsin, 43. 



Carbolic: gentian violet, 45; 

 thionin blue, 44. 



Carmin: alum, 44; lithium, 45. 



Casein, 62. 



Chart, culture, S9- 



Cheese, Camembert, 184; molds 

 in, 184; Roquefort, 184. 



Cholera red reaction, 130. 



Chromogenic group, 97. 



Cladothrix, 134. 



Cleaning: oi glassware, 8; mix- 

 ture, 8. 



Coagulation of milk, 62. 



Coagulative enzym, 62. 



Collecting; micro-organisms from 

 the air, 70; molds from the air, 

 78, 182; yeasts from the air, 78, 

 182; torulae from the air, 78, 

 192. 



Collection of water samples, 84, 



145- 

 Collodiqn sacs, 173. 

 Colonies, estimation of, 85. 

 Colony, 72; counter, 83. 

 Comparative table: of Centigrade 



and Fahrenheit thermometers, 



198; of weights and measures, 



198. 

 Condensation water, 72, 99. 

 Conidia, 79. 

 Conradi's medium, 34. 

 Cotton filter, 92. 

 Counter, colony, 85. 

 Cultivation, anaerobic, 134; of 



molds, 182. 

 Culture chart, 59. 

 Culture media, 18; filtration of, 



21; preparation of, 18; reaction 



of, 18; titration of, 18. 

 Culture of yeasts from one cell, 



187. 

 Culture tubes, 9; plugging of, 9; 



potato, 28. 

 Cultures, egg, 123; method of 



describing, 53. 



Death-point, thermal, 96. 

 Decolorization of litmus milk ,63' 



