'CHAPTER XIII 



CLASSIFICATION AND IDENTIFICATION OF BAC- 

 TERIA—GLOSSARY—ADJUSTMENT OF REAC- 

 TION OF MEDIA 



MIGULA-CHESTER CLASSIFICATION. 



(Arranged by H. W. Hill.) 



{Giving the families and genera by name ; and the number of species in each genus* 

 as described in Chester's Manual.) 



BACTERIA. 



Branched. 



MYCOBACTERIACE^E 



growth axis filamentous Streptothrix 18 Species 



growth axis not filamentous Mycobacterium 19 " 



INot branched 



growth axis filamentous 



cells sheathed chlamydobacteriace.* 



sulphur granules Thiothrix 1 •» 



no sulphur granules 



filaments pseudo-branched Cladothrix 10 » 



filaments not pseudo-branched 



cell-division in 1 plane Leptothrix 6 " 



cell-division in 3 planes 



sheath delicate Phragmidiothrix 1 " 



sheath well-developed Crenothrix x " 



cells not sheathed BEGOiATOACEiB 



Beggiatoa 4 * 



growth axis not filamentous 

 growth axis > transverse axis 



Note — Families in capitals ; genera in small letters. 



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