The Methods of Bacteriological Investigation

according acid action added addition advantages alcohol allowed animals apparatus appear bacilli bacteria biological blood boiling cells cent chamber closed Cloth colonies color completely concentrated concerning containing cooled cotton cover cover-glass desired determined dilution direct directly disease distilled water drawn dried drop dyes edition elements entire equal especially examination experiments favorable fermentation flame flask fluid gelatin germs glass hand heated hygiene Illustrations infection inoculation introduced isolated Koch laid layer less manner material means ments method micro-organisms microscope minutes necessary nuclei nutrient object observed obtained opening organisms parasitic particle passes placed plate possible practical preparations present previously produced pure cultures remain removed rods separation slide solid solution sometimes spores staining sterilized stopper substances surface taken temperature test-tubes tion transferred tube Ueber vessel washed