Report of the State Geologist. 109 



Paleontology of New York, vol. iil, 1859, pi. 79, fig. 17. 

 Lower Helderberg group . Schoharie county, N. Y. 



J. Gebhard purchase . 



Paleontology of Now Fork, vol. iii, 1859, pi. 79, fig. L9. 

 Lower Helderberg group. Albany county, N. V. 



Paleontology of New York, vol. iii, 1859, pi. 79, fig. 19a. 

 Lower Helderberg group. Schoharie county, N. Y. 



J. Gebhard purchase . 



Sub-genus ANCYROPYGE, Clarke, 1891. 

 Acidaspis Romingeri, Hall. 1888. 

 *Paleontology of New York, vol. vii, 1388, p. 71, pi. 16b, figs. 15, 

 16, 17, 18. 

 Hamilton group . Little Traverse Bay, Michigan . 



Family LICHADiE. 



Genus LICHAS, Dalman. 1826. 



Sub-genus CONOLICHAS, Dames. 1877. 



Lichas pustnlosus, Hall. 1859. 



Paleontology of New York, vol. iii, 1859, p. 366, pi. 77, figs. 9, 10. 

 Lower Helderberg group (Shaly limestone). Schoharie, N. Y. 



J. Gebhard purchase . 



Paleontology of New York, vol. iii, 1859, pi. 77, fig. 11. 

 Lower Helderberg group (Shaly limestone). Schoharie, N. Y. 



J. Gebhard purchase. 



Paleontology of New York, vol. iii, 1859, pi. 78, fig. 2. 

 Lower Helderberg group (Shaty limestone) . Schoharie, N. Y . 



J. Gebhard purchase . 



Paleontology of New York, vol. iii, 1859, pi. 78, fig. 3. 

 Lower Helderberg group (Shaly limestone). Schoharie, N. Y. 



J. Gebhard purchase. 



Paleontology of New York, vol. iii, 1859, pi. 78, fig. 4 (mutilated 

 by having the terminal lobe artifically divided). 



Lower Helderberg group (Shaly limestone). Schoharie, N. Y. 



J. Gebhard purchase. 

 1891. 52 



