Volume 15, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


American bacteriologists will welcome the English translation of the Manual for the Classification of the Anaerobic Bacteria by André Prévot.

The anaerobic bacteria are presently attracting greater interest as antibiotic therapy and improved laboratory procedures increase the number of isolations from clinical material. The Prévot classification endeavors to define organisms according to bacterial genetics. The branches are grouped according to similar characteristics.

Classes—dependent on morphology

Orders—on structure

Families—on cytochemical relationships

Genera—morphologically and physiologically related

Species—mosaic of antigens and enzymes.

This classification is logical and easy to follow but will bring some confusion to the many who have accepted the general principles of the Bergey Manual of Determinative Bacteriology. As an example the terminology of the Clostridia most frequently associated with human pathology varies considerably from that given by Bergey.

Order I Clostridiales (Bergey Eubacteriales)

Family II Clostridiaceae (Bergey Bacillaceae)

Genus II (Bergy )

Species I (Bergey )

The tetanus bacillus is placed in

Order II Plectridiales (Bergey Eubacteriales)


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