A bacterial infection when analysed is seen to be of the nature of an intoxication.
not confined to the liquid of granulations; normal blood-serum possesses it to a certain extent, and under bacterial influence it may become very much exalted.
ization of these bacteria to the leguminous plants has always been a very striking fact, for similar bacterial nodules are known only in two or three cases out _ side this particular /01 group. However, Pro fessor Bottomley an nounced at the meeting of the British Association for the Advancement of Science in 1907 that he had succeeded in breaking down this specialization and by a suitable treatment had caused bacteria from leguminous nodules to infect other plants such as cereals, tomato, rose, with a marked effect on their growth.
w, bacterial tissue.
The melancholy incident illustrates several points of interest: (1) the correctness of the bacterial theory of causation, and the identity of the bacillus pestis as the cause; (2) the infectious character of the pneumonic type of disease; (3) its high fatality; (4) the difficulty of diagnosis.