422 Forty- fifth Report on the State Museum. 



Palaeontology of New York, vol. vii, 1888, pi. 24, fig. 33. 

 Hamilton group. Eighteen-mile Creek, N. Y. 



J. 31. Clarke purchase. 



Palaeontology of New York, vol. vii, 1888, pi. 24, fig. 34. 

 Hamilton group. Canandaigua, N. Y. 



J. M. Clarke purchase. 



Palaeontology of New York, vol. vii, 1888, pi. 24, fig. 35. 

 Hamilton group. Canandaigua, N. Y. 



J. M. Clarke purchase. 



Palaeontology of New York, vol. vii, 1888, pi. 24, fig. 36. 

 Hamilton group. Canandaigua, N. Y. 



J. M. Clarke purchase. 



Pha'ethonides Macrobius, Billings (sp.). 1863. 

 Proc. Portland Soc. Nat. Hist., p. 123. 



Palaeontology of New York, vol. vii, 1888, pi. 24, figs. 24, 24a. 

 Lower Helderberg group. Square Lake, Maine. 



J. M. Clarke purchase. 



Genus CYPHASPIS, Burmeister. 1843. 



Cyphaspis coelebs, Hall. 1888. 



Palaeontology of New York, vol. vii, 1888, p. 151, pi. 24, fig. 1. 

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



J. Gebhard purchase. 



Cyphaspis minuscula, Hall (sp.). 1876. 

 Illustr. Devon. Fossils. Expl. pi. 20, fig. 17. 



Palaeontology of New York, vol. vii, 1888, pi. 24, fig. 7. 

 Schoharie grit. Near Clarksville, N. Y. 



J. 31. Clarke purchase. 



Palaeontology of New York, vol. vii, 1888, pi. 24, figs. 8, 8a. 

 Corniferous limestone (drift). Canandaigua, N. Y. 



J. M. Clarke purchase. 



Palaeontology of New York, vol. vii, 1888, pi.. 24, figs. 0, 10. 

 Corniferous limestone (drift). Canandaigua, N. Y. 



J. M. Clarke purchase. 



