REPORT OF THE STATE PALEONTOLOGIST I903 269 



I wish to express here my indebtedness to Prof. A. W. Grabau 

 of Columbia University, under whose supervision this work was 

 prosecuted and who has given me continuous encouragement in 



the work. BIBLIOGRAPHY 



Barrett, S. T. 1876. Notes on Lower Helderberg Rocks of Port Jervis, 

 N. Y. and Descriptions of a New Pteropod. N. Y. Lye. Nat. Hist. Ann. 

 11:290 and Am. Jour. Sci. Ser. 3. 13:385-87. 



1878. Coralline or Niagara Limestone of the Appalachian System. 



Am. Jour. Sci. Ser. 3. 15:370. 



1878. Descriptions of New Species of Fossils from the Upper 



Silurian Rocks at Port Jervis, N. Y., with notes on the occurrence of the 

 Coralline limestone at that locality. N. Y. Acad. Sci. Ann. 1:121. 



1893, Note on Paper in Nov. number of Am. Jour. Sci. on a New 



Oriskany Fauna in Columbia County, N. Y. Am. Jour. Sci. Ser. 3. 45 '.']2. 



Beecher, C. E. &, Clarke, J. M. 1892. Notice of a New Lower Oriskany 

 Fauna in Columbia County, N. Y., with an annotated list of fossils. A. J. S. 

 (3) 44:410-14. 



Clarke, J. M. 1901. Indigenous and Alien Faunas of the N. Y. Devonic. 

 N. Y. State Mus. 55th An. Rep't, p.664-72. 



1900. Oriskany Fauna of Becraft Mountain, Columbia County, 



N. Y. N. Y. State Mus. Mem. 3, p. 128. 



& Beecher, C. E. 1889. Development of some Silurian Brachiopoda. 



N. Y. State Mus. Mem. i. 



Barton, N. H. 1892. Report on the Relations of the Helderberg Lime^ 

 stones and Associated Formations in eastern New York. N. Y. State Mus. 

 47th An. Rep't, p. 393- 



Grabau, A. W. 1900. Siluro-Devonic Contact in New York. Geol. Soc. 

 Am. Bui. II \z^y-'](i. 



1902. Stratigraphy of Becraft Mountain, Columbia County, N. Y. 



N. Y. State Paleontol. An. Rep't, p. 1030-1108. 



Hartnagel, C. A. 1902. Preliminary Observations on the Cobleskill 

 ("Coralline") Limestone of New York. N. Y. State Paleontol. An. Rep't, 

 p. 1109-75- 



Horton, William. 1839. Report on the Geology of Orange County, N. Y. 

 N. Y. State Geol. An. Rep't, p. 150, 151. 



Ries, Heinrich. Report on the Geology of Orange County. N. Y. State 

 Geol. An. Rep't, 15:395. 



1898. Notes on a Trip from Port Jervis to Rondout, N. Y. N. Y. 



State Mus. 52d An. Rep't, i :i88. 



Schuchert, Charles. On the Lower Devonic and Ontaric Formations of 

 Maryland. U. S. Nat. Mus. Proc. 26:413-24. 



Fossils near Montreal, Canada. Am. Geol. 27:250. (Names a 



fossil, Chonostrophia jervisensis, after Port Jervis) . 



Ulrich, E. 0. & Schuchert, Charles. 1901. Paleozoic Seas and Barriers 

 in Eastern North America. N. Y. State Paleontol. An. Rep't, p.633-63. 



van Ingen, Gilbert, «fe Clark, P. E. 1902. Disturbed Fossiliferous Rocks 

 in the Vicinity of Rondout N. Y. State Paleontol. An. Rep't, p. 1 176-1227. 



Weller, Stuart. 1902. Report on Paleontology. Geol. Sur. N. J. y. 3, 

 various references. 



White, I. C. 1882. Pennsylvania Geological Survey. Report G6, various 

 references. 



