35 Quadrille Ruled Form. Patented 1906. John C. Moore Corporation, Rochester, N.Y. Duck Harbor Shale In the little cove on the south side of Duck Harbor, n.w. of the salt marsh occurs a thick series of tuffaceous agglomerates, yellowish gray slag to v gray trap mostly rounded, occasionally some quick fragments. In these agglomerates there occurs a particular pocket of blue-gray slates turned on edge striking N.12°E, 4 feet thick, 10 feet broad. Fossils: Crinoids. Coral (Rugose, simple) Lingula 2 spp Eichwaldia (Chonetes cornutus (small nucicurate)). Orthis davidsoni Dalmanella spp. Leptostrophia expatetta Bilobites biloba Spirifer elevatus Strophonella euglypha 5" radiatus #2 Spirifer simplex Hyolithes Bellerophon # Kronoceras angulatum Murchisonia ? Stenosicisma (small Conchidium) Orthoceras Synphoria Eurychilina # A large globular species with hexagonal reticulate sculpture somewhat like but a little larger than the eye of Dalmanites. #2. Very smooth no pliations; striae crossed by fine funnel.