Researches upon the Hydrobiinae and allied forms; chiefly made upon materials in the Museum of the Smithsonian Institutionv. 7No. 4iii–59
Stimpson, William. 1865. "Researches upon the Hydrobiinae and allied forms; chiefly made upon materials in the Museum of the Smithsonian Institution." Smithsonian Miscellaneous Collections, 7, (4) iii–59.