PLATE 9. 



Micrococcus pyogenes r albus. (Rosenbach.) L. and N. 

 (Staphylococcus albus Rosenbach.) 



I. Agar streak culture, four days at 22. 

 II. Gelatin stab culture, five days at 22. 



Micrococcus pyogenes /? citreus. (Rosenbach.) L. and N. 

 (Staphylococcus citreus Rosenbach.) 



III. Agar streak culture, six days at 22. 



Micrococcus candicans. Fliigge. 



IV. Gelatin stab culture, six days at 22. 

 V. Gelatin plate, eight days at 22. 

 VI. Gelatin plate, six days at 22. X 50. To the 

 left a superficial, to the right a deep colony. 

 VII. Potato culture, ten days at 22. 

 VIII. Microscopic preparation from a two-day s'-old cul- 

 ture on agar. X 700. 



