-172- Section 17 contd. with some quartz sand grains, coll. 17-7, Schwagerina tersa, S. hessensis, S. compacta, Pseudoschwagerina tumidosus, Parafusulina linearis . . . . . . . . . . . 2 6. Calcirudite, light gray to light tan weathering, limestone pebbles up to 6 inches in diameter, chert pebbles up to 1 inch, massive, 8 to 10 foot beds. . . . 80 5. Shale, brown, silty, with 3 to 6 inch zones of calcarenite, coll. 17-5, Schwagerina hessensis, S. gracilitatis, S. diversi- formis, S. nelsoni, S. laxissima, Pseudoschwagerina beedei . . . . . . . . . 3 4. Shale, blue-gray, slightly metamorphosed wood fragments . . . . . . . . . . . . . . 8 3. Covered, shale in part, coll. 17-3, Parafusulina linearis?, Pseudoschwagerina tumidosus . . . . . . . . . . . . . . . . . 8 2. Limestone, slightly metamorphosed, dark gray, fetid, organic fragmental, coll. 17-2, Schwagerina nelsoni, Pseudoschwagerina tumidosus . . . . . . . . . . . . . . . . . 1 1. Shale and limestone, metamorphosed, varying dips because of intrusion below, coll. 17-1, Thickness (feet)