B. GEOLOGICAL INDEX. G 5 . *2'tf 



Page. 



Elk mountain shale, 64 



Erosion leaving knobs, 7 



" around Ararat, 21, 13G 



" of Delaware river channel, 33, lt>7 



Falls of Dyeberry, 3G, 180 



»« of Paupack, 43, 199 



Falls Creek conglomerate, 1 ; 8, 82, 98 



" 32.3 below X. Milford L. SS., 8, 100 



11 fc< same as Cascade conglomerate, 8, 100 



" tk false bedding described in detail, GO 



" " curious at falls, 44, . 202 



" '« fish bed of Rix's Gap, 57 



11 " at base of Mt. Pleasant conglomerate, 58 



" " 8: Oakley section, 18, 100 ; 124 



" " 20; near Foster's, 25, 131 ; 151 



" 29; 32 1G0: 1G5 



•' " at bottom of Griswold Gap conglomerate, 40, 192 



" " in Cherry Ridge limestone, 42, 197 



Fish beds, one above the other, 11, Ill 



" " of the Cherry Ridge group, 20, 132 



Fish plate visible in place on RR., 39, 188 



Flagstone quarry, G ; 11; 12 (1535',) 92,93; 112; 116 



" " No. 13 of Oakley section, 18, 124 



" " 20: at Xickolson, 25 ; 27, 131; 153; 154 



" " in New Milford SS., at Laceyville, 27, 155 



" " above Cherry Ridge conglomerate ? 40, 194 



Flat pebble conglomerate in VIII, 8, 98 



" " at Griswold Gap (1975' A. T.,) 35, 177 



Flora of the region, 31 



Formation XIII, coal measures, 



on summits in Mt. Pleasant, 34, 170 



Formation XII, Pottsvillo conglomerate, 



in Clifford township, 23, 141 



in Tioga county, etc., compared, 144 



mistaken for the Mt. Pleasant conglomerate, 34, 172 



in Clinton township, 35, 176 



in Moosic mountain, 35, 178 



in summits of Canaan township, 40, 190 



in Waymart section, 40, 190 



makes glass sand, 40, 192 



Formation XI, Mauch Chunk red shale, 



Formation X, based by Mt. Pleasant conglomerate, 22, 137 



Pocono sandstone, 



conglomerate (2240') crest of Moosic, 41, 194 



Formation IX, Catskill red sandstone, IS, 126 



base on Tunkhannock creek, 20, 130 



topped by Cherry Ridge conglomerate, 22, 137 



thickens rapidly on the Delaware, 30, 1G1,1G2 



cliff sandstones bold in Damascus, 32, 164 



cliffs along the Delaware, 33, 182 



