Blog Posts Sneak Peek 4/15/2019 April 15, 2019 by Marguerite Roby United States Fish Commission (USFC) staff member monitors McDonald hatching jars for the hatching of buoyant fish eggs at USFC research station, circa 1880s. Sneak Peek 12/17/2018 December 17, 2018 by Marguerite Roby United States Fish Commission research station, possibly along the Potomac River, 1880s, Glass negative [double exposure]. Sneak Peek 4/30/18 April 30, 2018 by Marguerite Roby Sneak Peek 4/9/2018 April 9, 2018 by Marguerite Roby Sneak Peek 1/15/2018 January 15, 2018 by Marguerite Roby Sneak Peek 1/8/2018 January 8, 2018 by Marguerite Roby Sneak Peek 10/16/2017 October 16, 2017 by Marguerite Roby Sneak Peek 9/18/2017 September 18, 2017 by Marguerite Roby Sneak Peek 7/10/2017 July 10, 2017 by Marguerite Roby Sneak Peek 6/12/2017 June 12, 2017 by Marguerite Roby Pages12next ›last »Produced by the Smithsonian Institution Archives. For copyright questions, please see the Terms of Use.