290 



GENERAL SCIENCE 



Shape. There are three forms of bacteria: the rod, the sphere, 

 and the spiral. 



BACILLUS 



PNEUMONLffi 



in Sputum 



BACILLUS 



COLI COMMUNIS 



from Culture 



BACILLUS 



TUBERCULOSIS 

 in Sputum 



STREPTOCOCCUS 



PYOGENES 

 in Pus from Abscess 



MICROCOCCUS 

 TETRAGENUS 

 in Culture from Gas- 

 tric Cont. 



BACILLUS 



TYPHOSUS 



from Culture from 



Feces 



BACILLUS 



DIPHTHERIA 



from Culture of True 



Case Diphth. 



BACILLUS 

 PYOCYANEUS 

 from Green Pus 



BACILLUS 



ANTHRACIS 



in Blood after Death 



BACILLUS 



TETANUS 



from Culture Take 



from Wound 



STAPHYLO- 



COCCUS 

 In Pus from Abscess 



BACILLUS 



PROTEUS 



VULGARIS 



from Perforated 



Wound 



FIG. 189. 



Motion. Bacteria have motion, due to the presence of hairlike 

 appendages called flagella which, by a lashing movement, enable 

 them to move through fluids. 



