..., collecting, and his conferences. Even though Hartt had a three-year contract, he resigned after one year to devote all of his energies to the Comissäo Geológica do Imperio do Brasil, the geological survey of Brazil which he directed. Despite his short official connection with the museum in Rio, Hartt’s...

... ; Leonardos, 1955 ; Schwartzmann, 1979 ), very frequently mentions a research institution created near the end of Imperial times: the Comissão Geológica do Império do Brasil [Geological Commission of Brazilian Empire–GCB]. These short references, however, are generic, and one cannot find among the available...

... , MARCUS VINICIUS DE , 2001 , Charles Frederick Hartt uni naturalista do Império de D. Pedro II, Belo Horizonte (Minas Gerais) : Editora da Universidade Federal de Minas Gerais. FRIEDMAN , GERALD M. , 2001 , Birthplace of the Geological Society of America: New York State and the Erie Canal...

..., 223 p. (originally published in French as La mort des dinosaures (1996)). FREITAS, MARCUS VINICIUS DE, 2001, Charles Frederick Hartt um naturalista do Império de D. Pedro II, Belo Horizonte (Minas Gerais): Editora da Universidade Federal de Minas Gerais. FRIEDMAN, GERALD M., 2001, Birthplace...