INDEX OF SUBJECTS 



(An asterisk (•) designates pages showing illustrations.) 



Abb6 condenser, i6, 24,* 30* 

 Aberration, chromatic, 15, 20 



spherical, 19 

 Abiogenesis, 3, 4 

 Abortion, contagious, 356 

 Abrin, 178 

 Abscess, 275, 277 

 Absorption of oxygen for anaerobic 



culture, 129 

 Accidental infection, 108 

 Acetic acid, 176 



Achorion schSnleinii, 10, 247, 249* 

 Achromatic objectives, 15 

 Acid, carbolic, 76 

 Acid-proof baciUi, 47, 313, 328 



method of staining, 47 

 Acids, germicidal action of, 71 



antiseptic and preservative action 

 of, 79 

 Acne, 3S7 

 Acquired immunity, 227, 229 



active, 229 



passive, 231 

 Actinomyces, 254 



bovis, 254, 2SS* 

 Actinomycosis, 254 

 Active immunity, 229 



duration of, 229 



methods of inducing, 229 

 Adaptation to environment, 174, 178 



to parasitism, 209 

 Aedes (Stegomjfia) calopus, 375* 

 Aerobes, 173 



sporogenic, 279 

 Aerobic bacteria, 173 

 Aerobioscope, 184* 



30 46s 



Agar, 92 



ascitic-fluid, 101 



blood, ipi 



blood-streaked, loi 



glucose, 93 



glycerin, 93 



sugar, 93 

 Age factor in susceptibility, 204 

 Agglomerin, 276 

 Agglutination, 218, 348, 353 



Dreyer's method, 348 



technic of, 218, 348 

 Agglutinins, 218 

 Aggressins, 212 

 Agriculture, 14 



relation of microbes to, 14 

 Air, 183 



disease-bearing insects of, 183, 185 



micro-organisms of, 183 

 Albumen fixative, 56 

 Alcohol, as germicide, 78 



production of, 176 

 Alcoholic fermentation, 176 

 Aleppo boil, 4x5 

 Alexin, 219, 222 

 Alimentary canal, bacteria of, 209, 337 



infection, 138 

 Alkalies, germicidal action of, 73 

 Allergy, 226, 233, 322 

 Alopdcia areata, 250 

 Alum in water filtration, 188 

 Amboceptor, 221,* 223 

 Ameba (Amoeba), 160,* 161, 



cultures of saprophytic, 421, 425 



in tropical dysentery, 12 

 American filtration, 188 



