3 1 Eurypterus remipes, DE Kay, Waterlime group. Jerusalem Hill, Herkimer Co. N.Y. 2 Eurypterus remipes, DEKay swimming foot Waterlime group. Jerusalem Hill, Herkimer Co. N.Y. 3 Eurypterus remipes DEKay youngest individual observed? Waterlime group. Jerusalem Hill, Herkimer Co. N.Y. 4 Streptelasma strictum, Hall. Shaly limestone Lower Helderberg group Clarksville, Albany Co., 5 Orthoceras tenuiannulatum, Hall. Shaly limestone Lower Helderberg group. Clarksville, Albany Co. N.Y. 6 Leacia tricornata, WEEKS-Wratten, Horizon of Brush Creek Coal Measures Carrollton, Carroll Co. Ohio, 7 Paterocrinus Clarkii, H.S.Williams Chemung group Hastingsville, Steuben Co. N.Y. 8 Platyceras? new species Schobaria grit- Clarksville Albany Co. N.Y. 9 Cypricardina concentrica, Hall. Shaly limestone (2) Lower Helderberg group. Clarksville, N.Y. 10 Platyceras n. sp. Shaly limestone Lower Helderberg group. Clarksville, N.Y. 11 Avicula Schobaria, Hall. Shaly limestone Lower Helderberg group. Clarksville, N.Y. 12 Modiomorpha Subalata, Conrad, Hamilton group. Hamburg Erie Co. N.Y. 13 Pentaculites elongatus, Hall. Shaly limestone Lower Helderberg group. Clarksville, N.Y. 14 Atrypa reticularis, L. Shaly limestone Lower Helderberg group. Clarksville, N.Y.,