PLATE 15. 



Bacterium pneumoniae. Friedlander. (Friedliinder's 



Pneumonia Bacillus.) 



I. Agar streak culture, four days at 22°. 

 II. Gelatin stab culture, ten days at 22°. 



III. Agar stab culture, four days at 22°. Stab canal. 



IV. Agar stab culture, four days at 22°. Surface growth. 

 V. Gelatin plate, three days at 22°. Natural size. 



VI. Agar plate, two days at 22°. X 60. The brown 

 whetstone-shaped colony is deep. 



VII. Gelatin plate, three days at 22°. X 50. Upper, 

 superficial ; lower, deep colony. 



VIII. Agar plate, four days at 22°. Natural size. The 

 delicate gray colonies are deep; also the smallest colonies. 

 One colony in the reproduction has turned out yellowish. 



IX. Microscopic preparation. Pure culture from an 

 agar plate. X 800. Stained with f uchsin. 



X. Microscopic preparation. Smear preparation from 

 sputum. X 800. Stained with fuchsin. 

 XI. Potato culture, six days. 



