Alcaligenes faecalis Bacillus subtilis Bacillus cereus Enterobacter aerogenes Enterococcus faecalis Escherichia coli Klebsiella pneumoniae Micrococcus varians Mycobacterium smegmatis Proteus vulgaris Psuedomonas aeruginosa Serratia marcescens (white mutant, no pigment produced) Staphylococcus epidermidis Staphylococcus aureus Streptococcus mutans List of tests and media available for Identification of Unknown Bacteria Gram's staining Motility Simple staining Endospore staining (only if it's really necessary) Glucose Fermentation Lactose Fermentation Mannitol Fermentation Methyl Red Test Casein Hydrolysis Acid-Fast Staining MacConkey Agar Eosin Methylene Blue Agar Starch Hydrolysis Lipid Hydrolysis Indole Test Catalase Test Oxidase Test Nitrate Reduction Gelatin Hydrolysis Citrate Test Urease Test Mannitol Salt Agar 6.5% NaCl Agar