. The principles of bacteriology; a practical manual for students and physicians. Bacteriology. PRINCIPLES IN METHODS OF ISOLATION 103 in the tube; but they are in a fluid medium, and there is no possibiUty of their either remaining separated or of their colonizing under these conditions, so that it is impos- sible by this means to pick out the individuals from the mixture. Fig. 14. Showing certain macroscopic characteristics of colonies. Natural size. If, however, some substance can be found which possesses the property of being at one time fluid and at another time solid, and which can be ad
. The principles of bacteriology; a practical manual for students and physicians. Bacteriology. PRINCIPLES IN METHODS OF ISOLATION 103 in the tube; but they are in a fluid medium, and there is no possibiUty of their either remaining separated or of their colonizing under these conditions, so that it is impos- sible by this means to pick out the individuals from the mixture. Fig. 14. Showing certain macroscopic characteristics of colonies. Natural size. If, however, some substance can be found which possesses the property of being at one time fluid and at another time solid, and which can be added to this bouillon without in any way interfering with the life-functions of the bacteria, then, as solidification set in, the organisms would be fixed. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Abbott, Alexander Crever, 1860-1935. Philadelphia, Lea & Febiger
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