March 21, Duran Fields. Photo 1, 2, Weyer Richum and, W Y Dur- an Fields, Cut, Rock level, Stroph. sulcata. Paf, alternata, Helix, cinnata, Strept. canadensis. Hel, occidentalis. Byssomychia adivida. Collected, Upper Richum and from 8 ft below Clinton down to 4 ft above R R level at the Hornback curve, Collected clay & limestone separately from 4 ft above RR track at Horn- back curve to base of first cut west of Hornback curve, at east end of this cut, the path leads down to John Hornbacks house. Collected from limestone layers, 3 ft above R R level, at 2nd hi's cut West of Hornback curve, Photographed formally. This is unweathered limestone, such as forms the thick layers, 6-10 inches thick, interbedded with indurated clay in lower half of Middle Richum and, = lower half of this cut, where at least 20 ft are exposed. Also collected clay & jessce- ding cut, 2nd large cut west of Hornback curve. Photo = 3 geofield limestone, + more agate. Stroph. planulata & Rhynch. calcay in lower half of Middle Richum and. Pres- by small & reticulate common but som March 21, Duran Fields. Collected, Lower Richum and, Weyer Hall, Indurated clay, Mr with bedded limestone, section collected from the my lineament at face of Middle Richum and face record large cut east of Dunn Wells entrance ?? Mrs. Ingthom, Section fully 20 ft. At first large cut west of Lynn spice there is an expose where the from 40 feet of the Lower Richum and, clay in indurated clay, with us in too bedded limestone. Part of a shale formally. At Will Lammens Flat Lynn layers overlying upper infer. Inferior clay layers indurated, and these at Lexington 3d overlooks rubble limestone in considerable section. Photo 4 & 5, of Winlester, about 1/2 mile E of Boston Station, Powder layer at top of sec- tion. Shale, indurated clay rule here. Rock collected from cut at Wign- chester, just west of depot, from upper Winchestered, chiefly limestone.