2 9 6 



CHIEF CHARACTERISTICS 



PATHOGENIC 



NAME. 



GENUS. 



BIOLOGY. 



PRODUCT. 



PNEUMONIA (Pneu- 

 mococcus of Fried 

 lander). 



PNEUMONIA (Pneu- 

 mococcus of Fran- 

 kel; Micrococcus 

 of Pasteur). 



PNEUMONICIS 



AGILIS. 



PROTEUS SEPTICUS. 



PSITTACI (perni- 



ciosus). 

 PYOCYANEUS. 



PYOCYANEUS /3. 



PYOGENES (Strepto- 

 coccus erysipela- 

 tis Fehleisen). 



PYOGENES ALBUS. 



PYOGENES AUREUS 

 (micrococcus of 

 osteomyelitis, 

 Becker). 



PYOGENES CITREUS. 

 PYOGENES FCETIDUS. 



PYOGENES TENUIS. 



RELAPSING FEVER 

 (Obermeier). 



Bacillus. 



Bacillus. 



Bacillus. 

 Bacillus. 



Micrococcus. 

 Bacillus. 



Bacillus. 



Micrococcus. 



Micrococcus. 



Micrococcus. 



Micrococcus. 

 Bacillus. 



Micrococcus. 



Spirillum. 



Short, immotile rods, 

 singly or in diplococ- 

 ci, surrounded with 

 capsule; no spores; 

 not colored with 

 Gram; facultatively 

 anaerobic. 



Short, oval rods, of- 

 ten in chains ;immo- 

 tile ; no spores ; in the 

 tissue surrounded 

 with capsule, col- 

 ored with Gram ; 

 facultatively anae- 

 robic. 



Short, thick motile 

 rods in pairs. 



Slightly curved rods, 

 swelled in portions, 

 sometimes in long 

 threads; motile. 



Streptococci and 

 zooglea. 



Thin, motile rods; fa- 

 cultatively anaero- 

 bic. 



Forms a brown-yel- 

 low pigment ; other- 

 wise identical with 

 above. 



Streptococci and 

 zooglea. 



Staphylococci and 

 streptococci; facul- 

 tatively anaerobic. 



Staphylococci and 

 zooglea; faculta- 

 tively anaerobic. 



Same as Pyogenes au- 



reus. 

 Short motile rods in 



pairs. 



Cocci without defin- 

 ite arrangement. 



Long, wavy spirals; 

 motile. 



Foul gas. 



Pyocyanin, a non- 

 poisonous pigment. 



Ptomam, toxalbumin, 

 and pigment. 



