o illustrate this, let us take for an example the pres- croscope by everybody, and it has, therefore, seemed to ent prominent question of us that it would be of interest, lighting. We may go back to the period when the diffu- by making use of the beauti- sion of light depended upon ful plates in… … cattle traffic; they were then Fie, 3,—-MICROBIA OF CHICKEN CHOLERA. VIBRIOS. improved for horse and cart life. There is one species traffic, and these were still known in which the division further developed by Macadam for swift-running carriage Healthy Teeth. does not take more than six or seven…
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