Abstract
As a part of a comprehensive plan of study of Bahamas sediments collected in May 1955, bacteriological analyses of the refrigerated samples were undertaken, beginning early in 1956. It was soon observed that a yet unidentified facultative aerobe found in teeming abundance in aragonite muds from a mid-bank locality west of Andros Island produced gas vigorously when it was cultured in a dextrose medium. It seemed likely that this gas was largely CO/sub 2/, but a check-analysis was sought from the Mass Spectrometry Section of the National Bureau of Standards. That analysis showed 26.3% carbon dioxide and 63.4% hydrogen; the latter, within the resolving power of the apparatus, appeared to consist exclusively of common light hydrogen. The balance was 5.3% water vapor, 4.6% nitrogen, and 0.4% oxygen. (auth)
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