Vol. 15 • n. 3 • July/Sept. 2008

GUEST EDITOR`S NOTE ANALYSIS Portable antiquities: transportation, ruins, and communications in nineteenth-century archeology Irina Podgorny text in english Field science in the Railroad Era: the tools of knowledge empire in the American West, 1869-1916 Jeremy Vetter text in english ‘Scenes from deep Times’: bones, travels, and memories in the cultures of nature in Brazil Maria Margaret Lopes text in english Pathways, science, and the State in Peru, 1850-1930 Carlos Contreras, Marcos Cueto abstract The Argentina state railroad and its contribution to science Elena Salerno abstract Transportation networks and means in the development of scientific expeditions in Argentina (1850-1910) Máximo E. Farro abstract Local species, the market, and transportation in embryological research: the study of polyembryony in armadillos in the early twentieth century Susana V. García abstract Railroads, disease, and tropical medicine in Brazil under the First Republic Jaime Larry Benchimol, André Felipe Cândido da Silva text in english Trailblazers of science in the São Paulo territory: exploratory expeditions and the settlement of the São Paulo ‘sertão’ at the turn of the twentieth century Silvia F. de M. Figueirôa abstract Telegraphs and an inventory of the territory of Brazil: the scientific work of the Rondon Commission (1907-1915) Dominichi Miranda de Sá, Magali Romero Sá, Nísia Trindade Lima text in english Means of communication and the construction of territory in Latin America Wolfgang Schäffner abstract Engineering and the State: the national road network and public works in Argentina, 1930-1943 Anahi Ballent abstract IMAGES Notes on an expedition: Jean Massart and the Belgium biological mission to Brazil, 1922-1923 Alda Heizer abstract SOURCES Territory and health: Antônio Pimentel’s study on the Central Plateau Moema de Rezende Vergara abstract