If you plan to publish or present any of these materials, cite as follows: PalomaWorld website, http://www.atc.missouri.edu/paloma, Robert A. Benfer, Jr., Director of the Paloma Project. Please acknowledge the financial support to the Director by the National Science Foundation and the University of Missouri. Co-investigators of the Paloma project include Frederic A. Engel, Glendon F. Weir and Alice N. Benfer. The Paloma Project was conducted jointly under the auspices of the University of Missouri- Columbia and the Center for the Investigation of Arid Zones of the National Agrarian University of Peru in Lima.