. Bacteria in relation to country life. Bacteria. CHAPTER II THE FORM AND STRUCTURE OF BACTERIA The bacteria that may be observed under the micro- scope in a drop of stagnant water, or of decomposing beef-broth, may be grouped under three main types as regards form. They are, the spherical, the cylindrical, and the spiral forms. These types have been conveniently described as resembling billiard balls, lead pencils, and cork-screws. The organisms occur singly or in aggre- gations of two or more. ..„.••••""«—•"••• / »y ;. Fig. 4. Spherical bacteria,—1. Planosarcina urece; X 2,580
. Bacteria in relation to country life. Bacteria. CHAPTER II THE FORM AND STRUCTURE OF BACTERIA The bacteria that may be observed under the micro- scope in a drop of stagnant water, or of decomposing beef-broth, may be grouped under three main types as regards form. They are, the spherical, the cylindrical, and the spiral forms. These types have been conveniently described as resembling billiard balls, lead pencils, and cork-screws. The organisms occur singly or in aggre- gations of two or more. ..„.••••""«—•"••• / »y ;. Fig. 4. Spherical bacteria,—1. Planosarcina urece; X 2,580. 2. Streptococcus. (Weigmann.) '"S. Coccu8 lactts yiacosi. (Beyerinok.) (Gruber.) 4. Sareina aurantiaca. (Pammel.) 5. Micrococcus Somihalii; XOOO. (Adametz.) (13). 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 Lipman, Jacob Goodale, 1874-1939. New York, Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1911
