236 Forty- SIXTH Report on the State Museum. 



Phi^agrtioceraSy Hall. 1852. 

 (P. corallophilum, nom. propos.) 



Palaeontology of New York, vol. ii, p. 351, pi. 78, fig. 3a. 



Coralline limestone. Schoharie, N. Y. 



J. Gebhard purchase. 



Palaeontology of New York, vol. ii, pi. 78, fig. 3b. 



Coralline limestone. Schoharie, N. Y. 



J. Gehhard purchase. 



GYROCERAS, DeKoninck. 1844. 



G-yroceras spinosum, Conrad. 1840. 



Geol. Surv. N. Y.; Pal. Dept.; 3d Ann. Rept., p. 206. 



Illustrations of Devonian Fossils, 1876; Cephalopoda pi. 50, fig. 3. 



Palaeontology of New York, vol. v, pt. 2, pi. 48, fig. 3. 



Schoharie grit. Schoharie, N. Y. 



J. Gebhard purchase. 



Illustrations of Devonian Fossils, 1876; Cephalopoda, pi. 50, fig. 5. 



Palaeontology of New York, vol. v, pt. 2, pi. 48, fig. 2. 



Schoharie grit. Schoharie, N. Y. 



J. Gebhard purchase. 



Illustrations of Devonian Fossils, 1876; Cephalopoda, pi. 60, fig. 2. 



Palaeontology of New York, vol. v, pt. 2, pi. 48, fig. 1. 



Schoharie grit. Schoharie, N. Y. 



J. Gebhard purchase. 



Illustrations of Devonian Fossils, 1876; Cephalopoda, pi. 30, fig. 1. 



Palaeontology of New York, vol. v, pt. 2, pi. 48, fig. 5; pi. 99, fig. 7' 



Schoharie grit. Schoharie, N. Y. 



J. Gebhard purchase. 



Illustrations of Devonian Fossils, 1876; Cephalopoda, pi. 46, fig. 8. 



Palaeontology of New York, vol. v, pt. 2, pi. 47, fig. 8. 



Schoharie grit. Schoharie, N. Y. 



J. Gebhard purchase. 



Palaeontology of New York, vol. v, pt. 2, pi. 99, figs. 1, 2. 



Schoharie grit. Schoharie, N. Y. 



J. Gebhard purchase. 



Palaeontology of New York, vol. v, pt. 2, pi. 98, figs. 1, 2. 

 Schoharie grit. Clarksville, N. Y. 



Collected by R. P. Whitfield and C. Van Deloo, 1861. 



