82 NEW YOPwK STATE MUSEUM 



1834 Emmons^ Ebenezer, reported the discovery of strontianite in 



the vicinity of Ball's cave, Schoharie. (Am. Jour. Sci. 

 183i.5. 27:182,183) 



1835 Gebhard, John, contributed an account of the geology and 



mineralogy of Schoharie N. Y. (Am. Jour. Sci. 38:172- 

 177) 



1837 A newspaper article on Crinoidea, or lily-shaped animals 

 from Schoharie, Avas republished in Am. Jour. Sci. 

 31:165-167. 



1843 Mather, William W., in Geology of New York, pt 1, " Geology 

 of the First Geological District ", published an account of 

 the geology of the Schoharie region. 



1853 ^' An Account of Knopfel's Schoharie Cave [Ball's Cave] 

 . . . with the history of its discover^-, subterranean lake, 

 minerals and natural curiosities " appeared as a separate 

 publication, apparently a reprint from a newspaper 

 account. 



1859 Hall, James, in Palaeontology of New York, v. 3, published 

 '' descriptions and figures of the organic remains of the 

 Lower Helderberg group and the Oriskany sandstone ", in- 

 cluding those of the Schoharie region. 



1867 Hall, James, in Palaeontology of New York, v. 4, published 

 ^' descriptions and figures of the fossil brachiopoda of 

 the Upper Helderberg, Hamilton, Portage and Chemung 

 groups ", covering the Schoharie region. 



1877 Sherwood, Andrew, published a " Section of the Devonian 

 Rocks made in the Katskill Mountain at Palenville; 

 Kauterskill creek, New York ". (Am. Phil. Soc. Pro?. 

 17:346,347) 



1877 Sherwood, Andrew & Clark, published a " Section along 

 Schoharie Creek in Schoharie county, N. Y., between 

 Gilboa and Middleburg, from the Catskill down to the 

 Upper Helderberg". (Ibid. p. 347-349) 



1879 Hall, James, in Palaeontology of New York, v. 5, pt 2, pub- 

 lished " descriptions of the Gasteropoda, Pteropoda and 



