...Proceedings of the United States National Museum, the first volume of which was issued in 1878, are intended as a medium for the publication of original papers based on the collections of the Museum, setting forth newly acquired facts in biology, anthropology, and geology, or containing descriptions...

...include two series, known, respectively, as Proceedings and Bulletin. The Proceedings, begun in 1878, is intended primarily as a medium for the publication of original papers, based on the collection of the National Museum, that set forth newly acquired facts in biology, anthropology, and...