Abstract
To determine a rapid and reliable protocol for the differentiation of Mima polymorpha, M. polymorpha var. oxidans, Herellea, Bacterium antitratum, Neisseria gonorrheae, and other related members of the genus Neisseria, reference cultures were examined on a variety of microbiological media. The media were selected because of the typical morphological and biochemical characteristics exhibited by the test organisms and were those media which would be readily available in a microbiology facility. After compiling data obtained from 21,714 observations, an inclusive protocol is presented which has proven to be quite adequate for the identification of these particular gram-negative bacteria.