Pt. I. (1942) Nautilicones / by E.O. Ulrich, Aug. F. Foerste, A.K. Miller, and W.M. Furnish -- Pt. II. (1943) Brevicones / by E.O. Ulrich, Aug. F. Foerste and A.K. Miller -- Pt. III. (1944) Longicones and summary / by E.O. Ulrich, Aug. F. Foerste, A.K. Miller, and A.G. Unklesbay