GEOLOGIC MAP OF THE TULLY QUADRANGLE 55 



Hamilton ( Ludlowville and Skaneateles shales) and the names of all 

 species antedating the close of the Tully limestone stage are printed 

 in roman. 



LIST OF LOCALITIES OF ITHACA FOSSILS 



The numbers are those of the museum locality record. 



2446 Ithaca beds. Norwich, Chenango co. Sides of a shallow cut 



of the Delaware, Lackawanna & Western Railroad ^ mile 

 north of railroad station ; nearly the lowest exposure in this 

 vicinity; about 15 feet of shales and soft sandstones poorly 

 exposed. D. D. Luther, collector. 1900. 



2447 Ithaca beds. From excavation for cellar, near former blast 



furnace ; 40 rods north of 2446, including the same strata, 

 and a few feet lower ; exposure in all about 25 feet. Nor- 

 wich. D. D. Luther, collector. 1900. 



2448 Ithaca beds. " Breed's ravine ", 3 miles south of Norwich on 



west side. Exposure of 15-20 feet near an old mill dam, ^ 

 mile frorri the valley road. About 200 feet below Oneonta. 

 D. D. Luther, collector. 1900. 



2449 Ithaca beds. Three small, old quarries on west side of the 



valley road 2 miles south of Norwich. (Clarke's A) Hori- 

 zon near middle of the fossiliferous Ithaca. D. D. Luther, 

 collector. 1900. 



2450 Ithaca beds. Old quarry on hillside, west of cemetery i mile 



south of Norwich; about 150 feet above railroad and 25-50 

 feet higher than 2449. Not many fossils except in cal- 

 careous lens 6 inches thick, 20 feet long, that contains many 

 large specimens of Grammysia. D. D. Luther, collector. 

 1900. 



2451 Ithaca beds. Along the bed of Canasawacta creek in the 



village of Norwich ; about same horizon as 2446 and 2447 ; 

 10 feet of shales and thin sandstones exposed. D. D. Luther, 

 collector. 1900. 



2452 Ithaca beds. Old quarry by side of road leading up the hill 



west of Norwich, above where Preston road turns north- 

 ward. 250 feet or more above creek bed. D. D. Luther, 

 collector. 1900,- 



