PLATE 5. Various Sarcinæ. I. Sarcina cervina Stubenrath. Agar streak culture, fifteen days at 22°, isolated from gastric contents. II. Sarcina pulmonum Virchow. Agar streak culture, fifteen days at 37°. III. Sarcina erythromyxa Král. Agar streak culture, thirty days at 22°, isolated from beer. IV. Sarcina lutea Flügge. Agar streak culture, ten days at 22°, isolated from stomach. V. Sarcina aurantiaca Flügge. Agar streak culture, ten days at 22°, isolated from yeast. VI. Sarcina rosea Schröter, emended by Zimmermann. Agar streak culture, twenty-five days at 22°, isolated from light beer. VII. Micrococcus radius Lehm. and Neum. Agar streak culture, fifteen days at 22°, isolated from air. VIII. Sarcina canescens Stubenrath. Agar streak culture, twenty days at 22°, isolated from the stomach. PLATE 6. Micrococcus luteus. Ferd. Cohn, emended by Lehm. and Neum. I. Gelatin stab, six days at 22°. II. Gelatin plate, three days at 22°. left, superficial; to the right, a deep colony. X 50. To the III. Microscopic preparation. × 1000. From a twodays'-old agar plate. Often the micrococci are grouped in tetrads. IV. Agar plate, five days at 22°. Natural size. The colonies are sometimes more yellow. V. Potato culture, six days at 22°. Sometimes it has a dull luster. Sarcina pulmonum. Virchow. (Pulmonary Sarcina.) Hauser. VI. Gelatin stab, twenty days at 22°. The stab is in reality more gray. VII. Agar streak, twenty days at 22°. VIII. Gelatin plate, twenty days at 22°. To the left, a superficial; to the right, a deep colony. IX. Potato culture, twenty days at 22°. |