A collection of slides specific to the study of bacteria. Includes Mixed bacteria, bacilli, cocci and spirillium, Mycobacterium tuberculosis, in tissue, Cocci, Gram positive and negative, Rhizobium, in root nodule, Bacilli, Gram positive and negative, Vibrio, Escherichia coil, Spirillu, Bacillus subtilis, Staphylococcus epidermidis, Bacillus megaterium, Streptococcus lactis.