206 PALEONTOLOGY OF NEW YORK. 



In 1855 Prof. G. C. Swallow indicated the occurrence of a new species of 

 Conularia in the horizon of the Chemung group (Second Annual Report on the 

 Geology of Missouri, Appendix, p. 218). 



In 1850 Prof. E. Emmons described Conularia Hudsoni, from the Utica slate 

 (American Geology, vol. 1, p. 208). 



In 1856 J. Hall described Conularia subulata, from the Carboniferous lime- 

 stones (Trans. Albany Inst, vol. 4, p. 32). 



In 1859 the same author described Conularia pyramidalis, C. Huntiana, C. lata 



and C. ? [desiderata] ; the first two species from the Lower Helderberg group, 



and the last two from the Oriskany sandstone (Paleontology of New York, vol. 3, 

 pp. 317, 348, 479, 480, plates 62 A, 70 A and 111). 



In 1860 Meek and Worthen described C. subcarbonaria, from Keokuk lime- 

 stone (Proceed. Acad. Nat. Sci. Phila., 1865, p. 253). 



In 1860 G. C. Swallow described Conularia Marionensis and C. triplicata, from 

 the Hamilton group, and C. Missouriensis, from the St. Louis (Carboniferous) 

 limestone (Trans. St. Louis Acad. Sci., vol. 1, p. 637). 



In 1862 C. A. White described Conularia victa, from the Burlington group, and 

 C. Byblis, from the Chemung group (Proceed. Boston Soc. Nat. Hist., vol. 9, p. 22). 



In 1863 G. C. Swallow described Conularia Osagensis, from the Keokuk 

 limestone (Trans. St. Louis Acad. Sci., vol. 2, p. 98). 



In 1865 A. Winciiell described Conularia Newberryi, from the Waverly group 

 (= Lower Carboniferous), (Proceed. Acad. Nat. Sci. Phila.). 



In 1866 E. Billings described Conularia asperata and C. splendida, from the 

 Hudson River group (Catalogue of Silurian Fossils of Anticosti, page 21). 



In 1868 J. W. Dawson described Conularia planocostata, from the Carboniferous 

 rocks of Nova Scotia (Acadian Geology, pp. 307, 308, fig. 117). 



In 1869 J. M. Safford described Conularia Gattingeri, from rocks of the age 

 of the Hudson River group (Geology of Tennessee, page 289). 



In 1871 F. B. Meek described Conularia elegantula, from the Upper Helderberg 

 group, and C. micronema, from the Waverly group (Proceed. Acad. Nat. Sci. Phila.). 



In 1876 C. A. White described Conularia molaris, from Devonian rocks (Proceed. 

 Acad. Nat. Sci. Phila.). 



