The material from Georges Bank, described in this paper, was submitted to John B. Reeside, jr., Chief of the Section of Paleontology of the United States Geological Survey, by Henry C. Stetson, Assistant Curator of Paleontology, Museum of Comparative Zoology, and Research Associate in Submarine Geology, and was subsequently placed in the writer’s hands for identification and description. The material was dredged by the ketch Atlantis on August 8, 1934, under the direction of Stetson, who, under the auspices of the Woods Hole Oceanographic Institution, is in charge of their studies of sediments, past and present, on the Continental Shelf off the eastern coast of the United States. Stetson was assisted by Marshall Schalk.
Most of the material submitted consists of coarse, gray, conglomeratic, calcareous, fossiliferous sandstone. The fossils are preserved mainly in the form of molds, but the shells of Exogyra and a few other shells found in, . . .