114 NEW YORK STATE MUSEUM 



Fossiliferous Potsdam Strata and pre-Potsdam Strata of the Olenellus 

 Group near Poughkeepsie, N. Y. Amer. Jour. Sci., Ser. 3. 34:28-32. 



1887 Dana, J. D. On Taconic Rocks and Stratigraphy. Amer. 

 Jour. Sci. Vol. S3. April 1887. 



1887 Walcott, C. D. Fauna of the " Upper Taconic " of Emmons 

 in Washington Co., N. Y. Amer. Jour. Sci. 3. 34:187-99. 



1887 Newberry, J. S. Middle Cambrian Trilobites from near Pough- 

 keepsie. Trans. N. Y. Acad, of Sci. 6:113. See also, p. 138, "On the 

 Taconic System of Emmons." 



1888 Walcott, C. D. Discovery of Fossils in the " Lower Taconic " 

 of Emmons. Proc. A. A .A. S. 36:211-12. 



1888 Walcott, C. D. Synopsis of Conclusions on the Taconic of 

 Emmons. Amer. Geol. 2:215-19. 



1888 Dana, J. D. A Brief History of Taconic Ideas. Amer. Jour. 

 Sci. Vol. 36. Dec. 1888. 



1888 Walcott, C. D. The Taconic System of Emmons and the Use 

 of the Name Taconic in Geologic Nomenclature. Amer. Jour. Sci., Ser. 3. 

 35:229-42, 307-27, 394-401. 



1888 Kemp, J. F. Dikes of the Hudson River Flighlands. Amer. 

 Nat. 22:691-98. 



1889 Smock, J. C. First Report on the Iron I\Iines and Iron Ore 

 Deposits in the State of New York. N. Y. State Mus. Bui. 7. 



1889 Nason, F. L. Geological Studies of the Archaean Rocks. 

 Geol. Sur. of N. J. Annual Report of State Geologist. 



1889 Dwight, W. B. Recent Explorations in the Wappinger Valley 

 Limestones and Other Formations of Dutchess Co., N. Y. Amer. 

 Jour. Sci. Vol. 38. Aug. 1889. 



1889 Upham, W. Glaciation of Mountains in New England and 

 New York. Amer. Geol. 4:165-74, 205-16. 



1890 Hunt, T. S. Geological History of the Quebec Group. Amer. 

 Geol. 5:212-25. 



1890 Ami, H. M. On the Geology of Quebec and Environs. Bui. 

 Geol. Soc. of Amer. 2:478-502, 



1890 Walcott, C. D. Value of the Term. "The Hudson River Group" in 

 Geological Nomenclature. Bui. Geol. Soc. of Amer. 1:335-57. 



1890 Merrill, F. J. H. Metamorphic Strata of Southeastern New 

 York. Amer. Jour. Sci. 39:383. 



1890 Nason, F. L. The Post-Archaean Age of the White Limestones 

 of Sussex Co., N. J. Annual Report of State Geologist of N. J. 



1891 Walcott, C. D. Overlap Relations at the Base of the Paleozoics 

 in the Northern Appalachians. Bui. Geol. Soc. Amer. 2:163-64. 



1891 Merrill, F. J. H. On the Post-Glacial History of the Hudson 

 River Valley. Amer. Jour. Sci, Ser. 3. 41 :46o-66. 



1892 Walcott, C. D. Correlation Papers, Cambrian. Bui. U. S. 

 G. S. 81. 



1892 Van Hise, C. R. Correlation Papers, Pre-Cambrian. Bui. U. S. 

 G. S. 86. 



1892 Emerson, B. K. Outlines of the Geology of the Green Moun- 

 tain Region in Massachusetts. U. S. G. S., Geol. Atlas of the U. S., 

 Hawley Sheet, preliminary edition. 



