Abstract
Abstract In 1922 Frank M. Chapman hired a family of Ecuadorians to collect birds and mammals for the American Museum of Natural History (AMNH). In the following two years, Carlos Olalla and his four sons (especially Alfonso and Ramon) shipped some 3500 carefully prepared and neatly labeled specimens of Ecuadorian birds to New York. In 1925, under a new contract with the AMNH, the Olallas moved their operations to northeastern Peru, and during the next two and a half years, mostly as a result of efforts by Alfonso and Ramon, they sent over 7000 specimens of birds to New York from Amazonian Peru, as well as additional thousands of specimens of mammals. The two brothers shifted their operations to Brazil in 1928. Alfonso went on to ship even larger collections of birds from Brazil to museums in the United States, Sweden, and Brazil. Altogether these collections have provided the documentation for much of what we now know about the distributions of Amazonian birds and mammals. In 1962 accusations surfaced tha...
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