Explanation of Plate 8. 



MICROCOCCUS LUTEUS. Cohen with Lehrn. andNeum. 

 I. Gelatin stick culture, six days at 22. 

 II. Gelatin plate, three days at 22 . x 50. On right 

 side superficial, on left side deep-seated colony. 



III. Microscopical preparation (x 1,000) from an agar 



plate two days old. The micrococci are often 

 aggregated into tetrads. 



IV. Agar plate (natural size), five days at 22. 



The colonies are sometimes more yellow. 

 V. Potato culture, six days at 22. Sometimes has a 

 dull lustre. 



SABCINA PULMONUM. Virchow, Hauser. 



VI. Gelatin stick culture, twenty days at 22. In 



reality the puncture is grayer in color. 

 VII. Agar streak, twenty days at 22. 

 VIII. Gelatin plate, twenty days at 22. On the right, 

 superficial colony ; on the left, deep-seated one. 

 IX. Potato culture, twenty days at 22, 



