234 Forty-sixth Report on the State Museum, 



Palaeontology of New York, vol. v, pt. 2, pi. 9Y, fig. 2. 

 Schoharie grit. Schoharie, N. Y. 



./. Gehhard pvrchase. 



Palaeontology of New York, vol. v, pt. 2, pi. 97, fig. 3. 

 Schoharie grit. Clarksville, N. Y. 



Collected by G. Van Deloo, 1862. 



Palaeontology of New York, vol. v, pt. 2, pi. 97, figs. 4, 5. 



Schoharie grit. Schoharie, N. Y. 



J. Gebhard purchase. 



Palaeontology of New York, vol. v, pt. 2, pi. 97, fig. 6. 



Schoharie grit. Schoharie, N. Y. 



J, Gebhard purchase. 



Palaeontology of New York, vol. v, pt. 2, pi. 97, figs. 8, 9. 



Schoharie grit. Schoharie, N. Y. 



J. Gebhard purchase. 



* Gyrtoceras Jason^ Hall. 1861. 



Descr. New Species Fossils, p. 43. 



Illustrations of Devonian Fossils, 1876; Cephalopoda, pi. 52, fig. 1. 



Palaeontology of New York, vol. v, pt. 2, pi. 50, fig. 1, 



Schoharie grit. Schoharie, N. Y. 



J. Gebhard purchase. 



Illustrations of Devonian Fossils, 1876; Cephalopoda, pi. 52, fig. 2. 



Palaeontology of New York, vol. v, pt. 2, pi. 50, fig. 2. 



Schoharie grit. Schoharie, N. Y. 



J, Gebhard purchase. 



Palaeontology of New York, vol. v, pt. 2, Suppl. (=vol. vii, 1888), 

 pi. 124, fig. 7. 



Schoharie grit. Clarksville, N. Y. 



Gyrtoceras morsum, Hall. 1861. 

 Descr. New Species Fossils, p. 43. 



Fifteenth Annual Report on the New York State Cabinet of Natural 



History, 1862, p. 71, pi. 9, fig. 6. 



Illustrations of Devonian Fossils, pi. 46, figs. 3, 4. 



Palaeontology of New York, vol. v, pt, 2, pi. 47, figs. 3, 4. 



Corniferous limestone. Schoharie, N. Y. 



J. Gebhard purchase. 



