Index 225 



PAGE 



Bacteria, of plant nodules 58 



" soil . 23 



" water 184 



" " wine ......... 45 



" light-forming ........ 43 



" methods of study ........ 28 



movements of ........ 16 



multiplication of . . . . . . 1 7. r 8 



nitrogen collecting . . . . . . . 24, 55 



nomenclature of . . . . . . .41 



occurrence of ........ 23 



oxygen-loving ........ 46 



natural protection against 149 



pathogenic ......... 61 



" phosphorescent 43 



" products of . . . . . . . .21 



pyogenic . . . . . . . . .81 



size of .16 



species of 36, 4<> 



" spores of ........ 19, 3<> 



study of 28 



" thermophylic ........ 48 



Bacterial curiosities ......... 43 



Bacteriology, growth of 216, 217 



Bacteriolytic substances ........ 166 



Bacterium . . . . . . . . . . .41 



Beef tea, culture medium ........ 36 



Beer, bacteria in . . . . . . . . . .45 



Bleeding Host, bacteria of 52 



Blood poisoning .......... 70 



Blood-serum, culture medium . . . . . . .36 



Body, disease in . . . . . . . . . .62 



health of 63 



safeguards of 141, 149 



" structure of I 



Boils 72, 81 



Butter, bacteria in ......... 24 



Carpets, unsanitary ......... 207 



Cattle, tuberculosis in . . . . . . . . .93 



Cells i, 3 



" blood red n 



15 



