By nature. Oil ecology / Carl H. Oppenheimer -- Naturally occuring hydrocarbons in the Gulf of Mexico and Caribbean Sea / Richard A. Geyer, Charles P. Giammona -- Sources of biogenic methane in the Gulf of Mexico / Bernie B. Bernard -- Gaseous and volatile liquid hydrocarbons in the marine environment with emphasis on the Gulf of Mexico / Theodor C. Sauer Jr., William M. Sackett -- Petroleum residues in the marine environment / Lela M. Jeffrey -- Geographic distribution of petroleum hydrocarbons in surficial bottom sediments of the Gulf of Mexico / Lewis R. Brown, Melvin Light, C. Douglas Minchew -- Biota near natural marine hydrocarbon seeps in the western Gulf of Mexico / Charles P. Giammona -- Ecology of a submarine petroleum seep off the California coast / Robert B. Spies, Paul H. Davis, Daniel H. Stuermer -- Distribution of hydrocarbon-oxidizing bacteria on the Georgia shelf area and oil-degrading activities / Carl H. Oppenheimer, Susain Siegel, Larry Day, Catherine Duncan -- Environmental effects of a natural brine seep at the East Flower Garden Bank, northwestern Gulf of Mexico / Thomas J. Bright, Eric N. Powell, Richard Rezak -- By man. Worldwide status of research on fate and effect of oil in the marine environment / H.R. Gould, C.B. Koons -- Processes affecting the fate of oil in the sea / Richard F. Lee -- Oil pollution in ice-covered Arctic waters / Gunter Weller -- Effects of oil and gas drilling operations on the marine environment / David A. Gettleson -- Environmental aspects of drilling muds and cuttings from oil and gas operations in offshore and coastal waters / Jack H. Thompson Jr., Eugene A. Shinn, Thomas J. Bright -- Effects of drilling mud o n the growth rate of reef-building coral, Montastrea Annularis / J. Harold Hudson, Daniel M. Robbin -- Drilling mud plumes from offshore drilling operations : implications for coral survival / E.A. Shinn, J.H. Hudson, D.M. Robbin, Carol K. Lee -- Evaluation of impacts of the "Saninena" explosion and Bunker C spill in Los Angeles Harbor, December 1976 / Dorothy F. Soule.