Published online by Cambridge University Press: 15 May 2009
The effects produced upon bacteria by environmental conditions constitute factors which until recently have been studied with but too little regard to scientific accuracy, even by the bacteriologist investigating the conditions under which pathogenic bacteria occur in nature, and whilst probably leading a saprophytic existence.
1 The adjustment of the water-bath at a higher temperature can be hastened by placing a lighted Bunsen burner beneath the broad end of the bath, in the intervals between the successive compressions of the spiral spring.