. Bacteria in relation to soil fertility. Soil microbiology; Bacteriology, Agricultural. 30 BACTERIA AND SOIL FERTILITY Some of the disease-producing organisms are found m the mouth (sometimes in individuals apparently healthy) and they can safely make the journey from the lips of one to the lips of another on the common drinking cups. The fingers are continu- ally finding their way to the mouth, and if the saliva v^ere indigo what a blue world it would be! For we find that "the cook spreads his saliva on the muffins and rolls; the waitress infects the glasses and spoons; the moistened fi


. Bacteria in relation to soil fertility. Soil microbiology; Bacteriology, Agricultural. 30 BACTERIA AND SOIL FERTILITY Some of the disease-producing organisms are found m the mouth (sometimes in individuals apparently healthy) and they can safely make the journey from the lips of one to the lips of another on the common drinking cups. The fingers are continu- ally finding their way to the mouth, and if the saliva v^ere indigo what a blue world it would be! For we find that "the cook spreads his saliva on the muffins and rolls; the waitress infects the glasses and spoons; the moistened fingers of the peddler arrange his fruit; the thumb of the milkman is in his measure; the reader moistens the pages of his book, the conductor his transfer tickets, the 'lady' the fingers of her glove. Every- one is busily en- gaged in this distri- bution of saliva, so that the end of each day finds this secre- tion freely distrib- uted on the doors,. Fig. 14.—Bacteria with flagella at both poles (after Harrison). window sills, furniture and playthings in the home, the straps of trolley cars, the rails, counter and desks of shops, and public build- ings, and indeed upon everything that the hands of man ; In many cases it is the germs of disease which are sown, and if the next comer has not learned that the hands are to be kept from the mouth he may easily transfer them to his mouth, and if perchance they find suitable soil the individual soon finds himself suffering with a disease. It may be a mild attack of la grippe or a fatal attack of tuberculosis. It is often the case in the home or the hotel that the organisms are transferred from one dish to another by the common dishcloth or dish towel. Cell Structure.—Many bacterial cells are surrounded by a. 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 wor


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbacteriologyagricult