Description: In 1956, Helena M. Weiss received a letter asking for information about “how to capture them, also how to raise them… what to put them in, also what to feed them.” Interestingly, the letter-writer neglected to specify what he or she meant by “them,” leaving Weiss only to guess what exactly the inquiry was referring to. From 1948 to 1956, Weiss was Chief of the Office of
Description: United States Fish Commission (USFC) staff member monitors McDonald hatching jars for the hatching of buoyant fish eggs at USFC research station, circa 1880s, SIA Acc. 11-006, MAH-5611.
Description: [view in Spanish]The first international scientific expedition sponsored by the United States circumnavigated the globe between 1838 and 1842, gathering natural history collections so vast they were estimated to weigh 40 tons. The U.S. Congress resolved to preserve these artifacts "collected at the expense of the government...Information about the first international