8. Stormville sandstone. The top of the Coeymans is not exposed in this section. Five miles southwest a thin, sandy layer was noted at this horizon. This expands southwest and becomes the Stormville sand- stone of White's Pennsylvania section. 9. New Scotland beds - Not exposed in bluff, but in fields back of bluff and northeast, and immediately above the northern quarry, are 9a. A hard cherty, very fossiliferous limestone 20 ft. 9b. Soft, limy shales, forming a shallow depression west of bluff section. Estimated thickness 140 ft. 10. Becraft limestone. Forms a low ridge and more or less continuous outcrop along crest of hill back of quarry bluff. Hard, dark or grey cherty limestone, many fossils 20 ft. 11. Port Ewen beds. Not exposed but underlie a marked depression west of the Becraft ridge, beyond which is a wooded ridge- Estimated thickness 60 ft. 12. Oriskany formation. Along crest of wooded ridge. 12a. Hard, more or less siliceous black or gray lime- stone, fossiliferous,- many trilobites. The Dalmanites dentatus limestone [illegible] 30 ft. 12b. Dark siliceous limestones- Nowhere exposed in continuous section- characterized by Orbiculoidea jervensis. Estimated at 20 ft. 12c. Earthy or siliceous limestones, usually not exposed- Upper part becoming sandstone further southwest. Spirifer murchisoni, characteristic. 120 ft. 13. Escopus grit Exposed along west slope of ridge formed by 12a. Estimated thickness 400 ft. 14. Onondaga limestone - Exposed as low knolls rising above the glacial terraces along the Delaware River, and along road near Dingman's Ferry Leave Nearpass 11:15 A. M.- Return to Tristates, thence down Delaware River road to Brick House.- Note bare ledge of Escopus grit on left, 1 mile southwest of New York State line. Ledges of Onondaga limestone 3-4 miles s. w. of State line. -3-