This chapter contains sections titled:

• Introduction

• Description of the Genus Clostridium

• Pathogenicity

• General Methods for the Isolation of Clostridium Species

• Clostridium Perfringens

• Clostridium Novyi

• Neurotoxic Clostridia

• Clostridium Tetani

• Other Clostridia

• Genomics of Clostridia

• Summary

• References