. A text-book of bacteriology, including the etiology and prevention of infective diseases and a short account of yeasts, and moulds, haematazoa, and psorosperms. Bacteriology. SEPTICAEMIA OF MICE. 225 I [1 â I'll. i M 41 According to Wooldridge, the chemical products of this bacillus, separated by filtration, produce on inoculation immunity against virulent bacilli. Septicemia of Mice. Mice inoculated with a minimum quantity of putrid fluid often die of septicaemia. They rapidlj' sicken, their eyes inflame, their eyelids stick together, they become soporific, and death occurs in forty to sixt
. A text-book of bacteriology, including the etiology and prevention of infective diseases and a short account of yeasts, and moulds, haematazoa, and psorosperms. Bacteriology. SEPTICAEMIA OF MICE. 225 I [1 â I'll. i M 41 According to Wooldridge, the chemical products of this bacillus, separated by filtration, produce on inoculation immunity against virulent bacilli. Septicemia of Mice. Mice inoculated with a minimum quantity of putrid fluid often die of septicaemia. They rapidlj' sicken, their eyes inflame, their eyelids stick together, they become soporific, and death occurs in forty to sixty hours. There is slight oedema at the seat of inoculation, and enlargement of the spleen; the bacilli are found free and in the interior of white corpuscles, both in the cedematous tissue and in the blood capillaries. Bacillus of Septicaemia of Mice (Koch). âExtremely minute bacilli, -8 to I /x long, and â¢1 to '2 fjL broad, and filaments. In cultivations in gelatine they do not appear to make threads, but the bacilli lie together in masses. Spores have been observed. The bacilli are probably non-motile. They are most commonly in the interior of white blood corpuscles. In these they increase, and in many cases a white blood cell is represented only hj a mass of bacilli. A minimal quantity of blood containing the bacilli produces the disease if inoculated in house-mice or sparrows. Field-mice have an immunity. Rabbits and guinea-pigs inoculated in the ear suffer only from a local erythema, which disappears after five or six days, and renders them for a time immune. Rabbits inoculated in the cornea suffer from an intense inflammation of the eyes. The bacilli form in plate-cultivations scarcely perceptible cloud-like specks, and in a test-tube of nutrient gelatine they form a delicately clouded cultivation along tlie needle track. Ah identical bacillus has been isolated in swine measles. I. il' Fig. 106.âPuke Ci'l- tivatiok of the Bacillus of Septi- cemia OF Mice in NuTBiEN'
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