Report of the State Geologist. 387 



Family ASAPHID;£. 



Genus BUMASTUS, Murchison. 



Illcenus Toxus i Hall. 1867. 



Twentieth Ann. Rept. N. V. State Cab. Nat. Hist., p. 378. 



Eleventh Annual Report of the Department of Geology and NTatural 

 History (Indiana), 1882, pi. 33, tig. 13. 

 Niagara group. Waldron, Indiana. 



Collected by C. D. Walcott and (J. Van Deloo, 1878. 



Eleventh Annual Report of the Department of Geology and Natural 

 History (Indiana) 1882, pi. 33, fig. 14. 

 Niagara group. Waldron, Indiana. 



Collected by C. D. Walcott and C. Van Deloo, 1878. 



Illcenus arcturus, Hall. 1847. 

 Palaeontology of New York, vol. i, p. 23, pi. iv bis., fi^. 12. 

 Chazy limestone. Chazy, N, Y. 



Geological Surjey Collection. 



Genus BATHYURUS, Billings. 1865. 

 Bathyurus extans, Hall. 1847. 

 .Palaeontology of New York, vol. i, p. 228, pi. lx, figs. 2, a, b. 

 Birdseye limestone. Watertown, N. Y. 



J. G-ebhard purchase. 



Genus ASAPHUS, Brongniart. 1822. 

 Asaphus obtusus, Hall. 1847. 

 Palaeontology of New York, vol. i, p. 24, pi. iv bis., fig. 14. 

 Chazy limestone. Chazy, N. Y. 



Geological Survey Collection. 



Asaphus canalis (Conrad), Hall. 1847. 

 Palaeontology of New York, vol. i, p. 25, pi. iv bis., fig. 17. 

 Chazy limestone. Chazy, N. Y. 



Geological Survey Collection. 



Palaeontology of New York, vol. i, pi. iv bis., fig 19. 

 Chazy limestone. Chazy, N. Y. 



Geological Survey Collection. 



