40 I PALEONTOLOGY OF NEW YORK. 



NAUTILUS, Breyn. 1732. 



In 1732 Breyn described and restricted the genus Nautilus, which term had 

 been used by Aristotle; by Pierre Belon in 1553 and 1555 to include both 

 Argonauta and" Nautilus of later authors ; by Aldrovandi in 1606, by Jonston 

 in 1650, by Rumphius in 1711, and by W. Derham in 1726. 



In 1825 Mr. J. de C. Sowerby described Nautilus globatus, from the Carbon- 

 iferous limestone of Ireland (Min. Con., p. 129, T. 481). This species has been 

 identified by Meek and Worthen in the upper members of the Lower Carbon- 

 iferous limestone of Illinois. 



In 1838 Mr. T. A. Conrad described Cyrtoceras maximus [= Nautilus maximus], 

 from the Hamilton group (Geolog. Surv. of N. Y. : Pal. Dept., Ann. Rep. 1838). 



In 1842 Mr. L. Vanuxem described Goniatites Marcellensis [= Nautilus Marcel- 

 lensis], from the Hamilton group (Geolog. Surv. of N. Y. : Rep. Third Dist.). 



In 1852 Dr. D. D. Owen described Gyroceras Burlingtonensis [= Nautilus 

 Burlinglonensis], from the Carboniferous — Burlington limestone; and Discites 

 tuberculalus [= Nautilus), from the Upper Carboniferous limestone (Geolog. Surv. 

 of Wisconsin, Iowa and Minnesota). 



In 1853 Dr. L. Saemann described Gyroceras expansum [= Nautilus = ? N. 

 bucinum] (Dunker und von Meyer : Palaontographka). 



In 1857 Prof. E. T. Cox described Nautilus canaliculatus, N decor atus and N. 

 ferratus, from the Coal Measures of Kentucky (Geolog. Surv. of Kentucky). 



Mr. E. Billings described JV. Hercules, from the Hudson-river group (Geolog. 

 Surv. of Canada : Rep. of Prog.). 



In 1858 J. Hall described N. Clarkanus, from the Lower Carboniferous 

 system (Trans. Albany Institute, vol. 4). 



Prof. G. C. Swallow described N. Missouriensis, from the Coal Measures, and 

 N. occidentalis and N. Permianus, from the Permian system ( Trans. St. Louis Acad. 

 Sri.). 



Dr. B. F. Shumard described N. nodoso-dorsatus and N planovolvis, from the 

 Coal Measures (Trans. St. Louis Acad. Sci.). 



