Page:Bergey's manual of determinative bacteriology.djvu/253

 ::::::dd. Nitrites not produced from nitrates.


 * bb. Not as above.


 * c. Soil organisms that are known to attack benzene ring compounds.


 * d. Soil organism that attacks naphthalene.


 * dd. Soil organism that attacks phenol and m-cresol.


 * cc. Soil organisms that are known to attack oxalates.


 * d. Grows well on calcium oxalate agar. White colonies.


 * dd. Forms film on bottom of liquid oxalate media. Rose-red to blood-red chromogenesis on oxalate agar.


 * B. Do not attack carbohydrates.


 * 1. Soil organism that is known to attack naphthalene.


 * 2. Not as above.


 * a. Do not liquefy gelatin.


 * b. From fresh water.


 * bb. Requires sea-water media for growth on fresh isolation.


 * aa. Liquefy gelatin.


 * b. Causes a disease in fresh-water fishes.


 * bb. Requires sea-water media for growth on fresh isolation.

II. Anaerobic to microaerophilic species (all parasitic, normally pathogenic).


 * A. Microaerophilic species that are pathogenic to warm-blooded animals.


 * 1. Cause of abortion in cattle and sheep.


 * 2. Not as above.


 * a. Cause of swine dysentery.


 * aa. Cause of dysentery in cattle and related animals.


 * B. Strict anaerobes.


 * a. Produces gas and bad odors in protein media.


 * aa. Does not produce gas and bad odors in protein media.

1. Vibrio comma (Schroeter, 1886) wiede, Rogers and Smith, Jour. Bact., 5, Winslow et al., 1920. (Kommabacillus, 1920 204.) Koch, Berliner klin. Wochenschr., ^i, 1884, „^/,„„ n- ^ ^„ „^„.^„ o • -77 77 • • r, r. • com'ma. ur. comma a comma. 479; bpinllum cholerae asiaticae Zopf, Die, , , , Spaltpilze, 3 Aufl., 1885, 69; Microspira Slightly curved rods, 0.3 to 0.6 by 1.0 to comma Schroeter, in Cohn, Kryptogamen ^.0 microns, occurring singly and in spiral Flora V. Schlesien, 3, 1, 1886, 168; Vibrio chains. Cells may be long, thin and delicate cholerae Neisser, Arch. f. Hyg., 19, 1893, 199; or short and thick. May lose their curved Winslow, Broadhurst, Buchanan, Krum- form on artificial cultivation. Motile,