Report of the State solo gist. 407 



Dctfmanites coronatus, Hall, 1861. 



Descr. New Species Fossils, etc. p. 58. 

 Palaeontology of New York, vol. vii, 1888, pi. lib, fig. 14. 

 Corniferous limestone. Schoharie, N. Y. 



J. Gebhard purchase. 



Family CERAURID.E. 

 Genus CERAURUS, Green. 1832. 

 Ceraurus pleurextntthtiHHs, Green. 1832. 

 Monograph of the Trilobites of North America, p. 84, pi. 1, fig. 10 ; 

 original of cast No. 33 . 



Trenton limestone. Newport, N. Y. 



Ihe Albany Institute donor. 



Ceraurus? sp. indet, Hall. 1847. 

 Palaeontology of New York, vol. i, p. 25, pi. iv bis, fig. 20. 

 Chazy limestone. Chazy, N . Y . 



Geological Survey collection. 



Family ACIDASPID^E. 



Genus CERATOCEPHALA, Warder. 1888. 



Acidaspis sp. Hall. 1888. 



Palaeontology of New York, vol. vii, 1888, pi. 16b, fig. 14. 

 Corniferous limestone. Cayuga, Ontario. 



Sub-genus ACIDASPIS, Murchison. 1839. 



Acidaspis tuberculata, Conrad (sp.) 1840. 



Ann. Eept. Pal. Dept., N. Y., p. 205. 



Palaeontology of New York, vol. iii, 1859, pi. 79, figs. 1, la. 

 Lower Helderberg group . Near Clarksville, N . Y . 



J. Gebhard purchase. 



Palaeontology of New York, vol. iii, 1859, pi. 79, figs. 3, 5. 

 Lower Helderberg group . Schoharie county, N . Y . 



J. Gebhard purchase . 



Palaeontolog}^ of New York, vol. iii, 1859, pi. 79, fig. 8a. 

 Lower Helderberg group . Schoharie county, N . Y . 



J. Gebhard purchase. 



