GEOLOGY OF THE POUGHKEEPSIE QUADRANGLE II3 



1884 Dana, J. D. The Southward Ending of a Great Synclinal in 

 the Taconic Range. Amer. Jour. Sci. Vol. 28. Oct. 1884. 



1884 Ford, S. W. Note on the Discovery of Primordial Fossils in 

 the Town of Stuyvesant, Columbia Co., New York. Amer. Jour. Sci., 

 Ser. 3. 28:35. 



1884 Ford, S. W. Age of Rocks near Schodack Landing. Amer. 

 Jour. Sci., Ser. 3. 28:206-8. 



1885 Ford, S. W. Note on the Age of the Slates and Arenaceous 

 Rocks near Schenectady, Schenectady Co., N. Y. Amer. Jour. Sci., Ser. 3. 

 29:397-399. 



1885 Dana, J. D. On Taconic Rocks and Stratigraphy, with a Geo- 

 logical Map of the Taconic Region. Amer. Jour. Sci. Vol. 29. March 

 and June, 1885. 



1885 Darton, N. H. Fossils in the Hudson River Slates of the 

 Southern Part of Orange Co., N. Y. Amer. Jour. Sci., Ser. 3. 

 30:452-54. 



1886 Dana, J. D. Berkshire Geology. A paper read before the 

 Berkshire Historical and Scientific Society at Pittsfield, Mass., Feb. 

 5, 1885. 



1886 Smock, J. C. A Geological Reconnaissance in the Crystalline 

 Rock Region of Dutchess, Putnam and Westchester Counties, N. Y. 

 Thirty-ninth Ann. Report State Museum of Nat. Hist. p. 166-85. 



1886 Bishop, I. P. On Certain Fossiliferous Limestones of Colum- 

 bia Co., N. Y., and their Relations to the Hudson River Shales and the 

 Taconic System. Amer. Jour, Sci., Ser. 3. 32:438-41. 



1886 Ford, S. W., & Dwight, W. B. Preliminary Report upon Fossils 

 Obtained in 1885 from Metamorphic Limestones of the Taconic Series of 

 Emmons at Canaan, N. Y. Amer. Jour. Sci. Vol. 31. April 1886. 



1886 Dana, J. D. On Lower Silurian Fossils from a Limestone of 

 the Original Taconic of Emmons. Amer. Jour. Sci. Vol. 31. April 1886. 



1886 Dwight, W. B. Recent Explorations in the Wappinger Valley 

 Limestone of Dutchess Co., N. Y. Number 5. Discovery of Fossilifer- 

 ous Potsdam Strata at Poughkeepsie. Amer. Jour. Sci. Ser. 3. 

 31:125-33. See also Trans. Vassar Bros. Inst. 4:130-41, under title 

 " Primoidial Rocks of the Wappinger Valley Limestone," 1887. 



1886 Dwight, W. B. The Peculiar Structure of Clark's Clay Beds 

 near Newburgh, N. Y. Vassar Bros. Inst. Trans. 3:86-87. Abstract 

 Amer. Jour. Sci., Ser. 3. 32:241-42. 



1886 Darton, N. H. The Taconic Controversy in a Nut Shell. 

 Science. 7:78-79. 



1887 Dwight, W. B. Paleontological Observations of the Taconic 

 Limestones of Canaan, Columbia Co., N. Y. Abstract, Amer. Nat. 

 21:270-71. 



1887 Dwight, W. B. Primordial rocks of the Wappinger Valley Lime- 

 stones and Associated Strata. Trans. Vassar Bros. Inst. 4:206-14. Also 

 Amer. Jour. Sci., Ser. 3. 34:27-32. 



1887 Walcott, C. D. The Taconic System. Amer. Jour. Sci., Ser. 3. 



33:153-54. 



1887 Dwight, W. B. Recent Explorations in the Wappinger Valley 

 Limestone of Dutchess Co., N. Y. Number 6. Discovery of Additional 



