EXERCISE 81. FEIEDLANDER GROUP. jijn 



Bacterium pneuiuonicum (Fried.) Mig. 



Synonyms. Priedlander's 'bacillus; bacillus pneumonioe ^YETCH- 

 SELBAUM ; PneumobaciUus of Priedlander. 



Explanatory. First described by Friedlandei- in 1882. Found 

 frequently in normal saliva, lungs, "rusty sputum" of pneumonia, 

 and has been found in air and water. 



References. Friedlander, Virchow's Archiv, 32, 319; C. 131; 

 Fl. 2, 342 ; H. 314 ; K. & W. Ill, 189 ; L. & N. 225 ; Mig. 2, 350 ; M. & 

 E. 209 ; McF. 300 ; P. 458. 



Morphological characters : 



Sketches. 



1. Form and arrangement: 

 u.. Bouillon 



Z). Agar . 



Gelatin. 



d. Other media. . 



2. Size: 



3. Staining powers: 



a. Aqueous gentian-violet. . 

 6. Loeffler's methylen-blue. 



c. Gram's stain 



d. Special stains 



4. Motility: 



a. Character of movement. . . 

 6. Flagella stain 



5. Spores: 



6. Special characters:.... 



«. Capsules 



h. Involution forms 



f. Deposits or vacuoles.. 

 d, Pleomorphism 



