Director´s Report / Daniel Evans (pp. 1-5) -- Coordination of Scientific activities / Pádraig Whelan (pp. 6-12) -- Area of terrestrial plants / Andrew Schmidt & Hugo Valdebenito (pp. 12-14) -- Area of invertebrates / Sandra Abedrabbo (pp. 14-17) -- Area of Herpetology / Linda J. Cayot (pp. 17-22) -- Area of Ornithology / Isabel Castro (pp. 22-26) -- Area of introduced mammals /
Edgar Muñoz (pp. 26-29) -- Conservation of the Tortoises of Pinzon Island / Linda J. Cayot, Edgar Muñoz & Germán Morillo (pp. 29-35) -- Area of marine biology / Pádraig Whelan (pp. 35-39) -- Area of education (pp. 39-44) -- Area de education: Formal education / Gladys Trávez (pp. 44-46) -- Area of education: Office of Public Relations / María Eugenia Proaño (pp. 47-48) -- Area of education: office of communication and information / Arturo Izurieta (pp. 48-49) -- Area of education: publications / Gayle Davis-Merlen (pp. 49-50) -- Representation of the Charles Darwin Research Station on Isabela Island / Arnaldo Tupiza (pp. 50-51) -- Meeting with students / Isabel Castro (pp. 51-53) -- Area of the computer center / Patricia Puebla (pp. 53) -- Analysis of the pattern of eruptive fissures on the active volcanoes of Galapagos / William Chadwick (pp. 54-55) -- Volcanic history of Alcedo volcano / Dennis Geist (pp. 55-56) -- Field expedition to Fernandina Island / Peter J. Mouginis-Mark (pp. 57-61) -- Fernandina volcanism / Tom Simkin (pp. 61-62) -- Preliminary study on the status of the watershed "La toma" of San Cristobal Island / Lenin Prado (pp. 63-66) -- Phenological study of introduced and native plant species on Santa Cruz / Wilmer E. Cedeño (pp. 66-68) -- Soil nematodes from the Galapagos Islands: Preliminary results from Fernandina and Española Islands / Paul De Ley (pp. 69-75) -- Terrestrial arthropods of the Galapagos Islands: Taxonomy, Biology and evolution / Stewart B. Peck (pp. 75-76) -- Arachnological and carabidological study in Galapagos during February and March 1988 / Leon Baert, Konjev Desender & Jean-Pierre Maelfait (pp. 76-78) -- Coleoptera in a stream in the highlands of Santa Cruz Island / Gerhard Reimer & Manfred Jach (pp. 78-79) -- Perspectives on the chemical control of the little fire ant, Wasmannia auropunctata (R.), in the Galapagos Islands: Effect of a juvenile hormone analogue / Patricia Ulloa-Chacón & Daniel Cherix (pp. 79-82) -- Population dynamics and energetics of reproduction of Marine iguanas (Amblyrhynchus) / Thomas Dellinger (pp. 83-85) -- Continuing study of the evolution on body size in land iguanas (Conolophus subcristatus) of South Plaza / Howard L. Snell, Heidi M. Snell & Derrick W. Sugg (pp. 85-86) -- A study of finches and mockingbirds, 1988-1989 / Peter R. Grant, B. Rosemary Grand & Associates (pp. 87-88) -- Nest construction and Egg-moving behavior among the waved albatross of the Galapagos Islands / W. L. N. Tickell (pp. 88-91) -- Attraction and colonization of Dark-rumped petrels to Santa Cruz Island / Richard H. Podolsky & Stephen W. Kress (pp. 91-94) -- Booby breeding and feeding ecology, 1988 / David J. Anderson (pp. 94-96) -- Breeding phenology of Blue-footed Boobies (Sula nebouxii) on Daphne, North Seymour, and Floreana Islands / Malcolm C. Coulter (pp. 96-97) -- The Evolution of mate desertion in Flightless cormorants / Carlos A. Valle (pp. 97-99) -- Present status of seabird populations on Pitt islet and at Pitt Point, San Cristobal Island / Carlos A. Valle (pp. 100-102) -- Present status of waterbirds resident in lagoons near populated zones on Isabela and San Cristobal Islands / Hernán Vargas (pp. 102-104) -- History and present status of the introduced Smooth-billed Ani (Crotophaga ani) in Galapagos / Bennett Sandler (pp. 104-106) -- Experimental control of the black rat in the nesting zone of the giant tortoise, Pinzon Island / Edgar A. Muñoz (pp. 107-108) -- Study of the predatory effect of feral cats on native fauna and introduced rodents in critical areas / Marco A. Jácome (pp. 109-110) -- Recovery of coral reef communities following disturbance associated with the 1982-83 El Niño / Peter W. Glynn & Joshua S. Feingold (pp. 111-115) -- Two surviving coral communities in the Galapagos Islands / Joshua S. Feingold (pp. 115-118) -- Reconstruction of El Niño and Little Ice Age climate change in the Eastern tropical Pacific Ocean / Glen T. Shen (pp. 118-120) -- Taxonomy, abundance, and vertical distribution of the Ascidians of Tagus Cove, Isabela Island / Macarena Iturralde (pp. 120-123) -- Planktonic larval duration, gene flow, and biogeography of Eastern Pacific Damselfishes / Gerard M. Wellington (pp. 123-126) -- Preliminary research on the Galapagos scallop fauna and marine and freshwater algae / Pail A. Berkman & Julia Anne Hambrook Berkman (pp. 126-128) -- Genetic differences among Green Turtle (Chelonia mydas) reproductive colonies / Anne Meylan (pp. 129) -- Report of an expedition to the Galapagos Islands aboard the Mystique / Burney J. Le Boeuf (pp. 130-132) -- Studies of Sperm whales off the Galapagos Islands: 1988-1989 / Hal Whitehead (pp. 132-135) -- Expedition Siben / Thomas Lyrholm (pp. 135-138) -- International workshop: the herpetology of the Galapagos Islands / Howard Snell, David Towns, Harry Greene ... [et al.] (pp. 139-146) -- Collection and preservation of anatomical specimens / E. Elizabeth Pillaert (pp. 147-148) -- 1988-1989 Report on marine mollusks in the CDRS collections / E. Alison Kay (pp. 148-156).

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