Article Contentsp. 1246p. 1247p. 1248p. 1249p. 1250p. 1251p. 1252p. 1253Issue Table of ContentsScience, New Series, Vol. 197, No. 4310 (Sep. 23, 1977), pp. 1217-1316Front Matter [pp. 1217-1304]LettersOil Refinery near the Taj Mahal [p. 1232]Chrysotile Asbestos: Health Effects [pp. 1232-1234]!Kung Ecology [p. 1234]American Ice Cream [p. 1234]Commission on Federal Paperwork [p. 1237]Paleoenvironment and Human Settlement in Japan and Korea [pp. 1239-1246]Nepotism and the Evolution of Alarm Calls [pp. 1246-1253]The NAS Surveys of Fundamental Research 1962-1974, in Retrospect [pp. 1254-1260]News and CommentControls on Trade and Technology: Pentagon Puts Stress on Know-How [pp. 1261-1264]Briefing [pp. 1262-1263]McKelvey Ousted as Director of Geological Survey [p. 1264]Nuclear Wastes: Popular Antipathy Narrows Search for Disposal Sites [pp. 1265-1266]Recent Deaths [p. 1266]Erratum: Mouse Chromosome Translocations: Visualization and Analysis by Electron Microscopy of the Synaptonemal Complex [p. 1266]Erratum: Australia Antigen and the Biology of Hepatitis B [p. 1266]Erratum: Angiotensin Converting Enzyme: Induction by Steroids in Rabbit Alveolar Macrophages in Culture [p. 1266]Erratum: Fatty Acids and Their Prostaglandin Derivatives: Inhibitors of Proliferation in Aortic Smooth Muscle Cellsa [p. 1266]Research NewsAlternative Astronomy: Experiment in Self-Sufficiency Blossoms [pp. 1267-1271+1305]Carcinogens in the Workplace: Where to Start Cleaning Up [pp. 1268-1269]Book ReviewsReview: Introductions to a Pivotal Subject [pp. 1272-1273]Review: Childbearing and Health Risk [pp. 1273-1274]Books Received [p. 1274]ReportsOzone Monitoring with an Infrared Heterodyne Radiometer [pp. 1275-1277]The Prime Meridian of Mars and the Longitudes of the Viking Landers [p. 1277]Cholera Toxin Crystals Suitable for X-ray Diffraction [pp. 1277-1279]Infectivity Reacquisition by Trypanosoma brucei brucei Cultivated with Tsetse Salivary Glands [pp. 1279-1282]Sperm Autoantibodies in Vasectomized Rats of Different Inbred Strains [pp. 1282-1283]Adenine and Adenosine Are Toxic to Human Lymphoblast Mutants Defective in Purine Salvage Enzymes [pp. 1284-1287]A Method for Detecting 8-Methoxypsoralen in the Ocular Lens [pp. 1287-1288]Swine Influenza Virus Vaccine: Potentiation of Antibody Responses in Rhesus Monkeys [pp. 1289-1290]Butylated Hydroxytoluene Protects Chickens Exposed to Newcastle Disease Virus [pp. 1291-1292]Function of Shell Sculpture in Marine Gastropods: Hydrodynamic Destabilization in Ceratostoma foliatum [pp. 1293-1295]Auditory Evoked Potentials as Probes of Hemispheric Differences in Cognitive Processing [pp. 1295-1298]Sympatric Speciation Based on Allelic Changes at Three Loci: Evidence from Natural Populations in Two Habitats [pp. 1298-1299]Do Cellular Slime Molds Form Intercellular Junctions? [p. 1300]Synergism Between Trimethoprim and Sulfamethoxazole [pp. 1300-1301]Marihuana and Epilepsy [pp. 1301-1302]Back Matter [pp. 1305-1316]Nepotism and the Evolution of Alarm CallsAuthor(s): Paul W. ShermanSource: Science, New Series, Vol. 197, No. 4310 (Sep. 23, 1977), pp. 1246-1253Published by: American Association for the Advancement of ScienceStable URL: http://www.jstor.org/stable/1745003Accessed: 25/02/2010 13:26Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available athttp://www.jstor.org/page/info/about/policies/terms.jsp. JSTOR's Terms and Conditions of Use provides, in part, that unlessyou have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and youmay use content in the JSTOR archive only for your personal, non-commercial use.Please contact the publisher regarding any further use of this work. Publisher contact information may be obtained athttp://www.jstor.org/action/showPublisher?publisherCode=aaas.Each copy of any part of a JSTOR transmission must contain the same copyright notice that appears on the screen or printedpage of such transmission.JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range ofcontent in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new formsof scholarship. For more information about JSTOR, please contact [email protected] Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve andextend access to Science.http://www.jstor.org10. S. Wajima, M. Aso, Y. Tanaka, Archaeol. Repr. Ser. No. 6 (1964). 11. F. Ikawa-Smith, Curr. Anthropol. 17 (No. 3), 513 (1976). 12. S. Yamazaki, "Various problems in the study of shellmounds in the Kyushu region,' in Kyushu Kokogaku no Shomondai, Fukuoka Kokogaku Kenkyukai, Eds. (Azuma, Tokyo, 1975), pp. 131-165. 13. M. Watanabe, Fishing in the Jo ion Period (Kokogaku Sensho No. 7, Yuzankaku, Tokyo, 1974), p. 204. 14. For example, see R. Pearson and K. Pearson, Antiquity, in press. 15. J. W. Cha, W. T. Lee, S. A. Lee, The Climate and Vegetation of Korea (Seomoon Do, Seoul, 1975), p. 53. 16. C. W. Wang, The Forests of China (Maria Cabot Moors Foundation, Harvard University, Cam- bridge, Mass. 1961). 17. H. J. Kwon,J. Educ. Korea Univ. 7, 78 (1975). 18. A. Guileher, "Report on preliminary survey of the geomorphological features of the western and southern coasts of the Republic of Korea," mimeographed (1975). 19. S. K. Kim, Munhwa Yusan 2 (1962); Kogo Min- sok 2 (1966). 20. C. Y. Oh, Korean J. Bot. 14 (No. 3), 125 (1971). 21. C. K. Kim, Asian Perspect. 18, 2 (1976). 22. Y. N. Kim, Y. G. Kim, K. D. Hwang, A Study of Primitive Houses in Korea (Sahoe Kwahak Chulpansha, Pyongyang, 1975), p. 54. 23. C. S. Chard, Northeast Asia in Prehistory (Univ. of Wisconsin Press, Madison, 1974). 24. C. K. Kim, Hanguk Sa (Chukochi mit Bunmyo, Seoul, 1973), vol. 1, pp. 63-68. 25. J. H. Kim, The Archaeology of Korea (Kawade Shobo, Tokyo, 1972), p. 90. 26. S. Nelson, "Han River Chulmontogi,' Occa- sional Paper No. 9, Program in East Asian Stud- ies, Western Washington University, Belling- ham (1975), p. 100. 27. J. G. Kim and K. T. So, Report on the Pre- historic Site of Sopohang (Kogo Minsok Run- mun Chip 4, Sahoe Kwahak Chulpansha, Pyongyang, 1972). 28. M. Y. Choi, Yoksahak Yongu 5, 25 (1974); Ho- nam Munhwa Yongu 7, 141 (1975). 29. S. N. Song, "SGroups of dolmens in the area of Changheung Gun,' Fac. Res. Pap. Kutnho High School,