State Museum of Natural History. 



91 



176. Preliminary Notice of the Lamellibranchiate Shells of the Upper 



Helderberg, Hamilton and Chemung Groups, with others from 

 the Waverly Sandstones. (Preparatory for the Palaeontology 

 of New York.) Part It (State Cab. Nat. Hist., December, 

 1809); pp. 97. Albany, 1870. 8vo. 



177. * Recent Progress in Geology. Trans. Alb. Inst., 1865. Vol. VI, 



pp. 291-294. Albany, 1870. 8vo. 



178. * Notice of the Fossil Plants of the Hamilton and Chemung 



Groups, with reference to the Source of the Sediments of these 

 Formations. Proc. Am. Assoc. Ad. Sci., 19th meeting, Troy, 

 1870; p. 362. Cambridge, 1871. 8vo. 



179. * On the Relation of the Oneonta Sandstone and Montrose Sand- 



stone of Vanuxem to the Hamilton and Chemung Groups, 

 Ibid., p. 362. 



180. * Note upon the Eocks of the Huronian System on the Peninsula 



of Michigan. Ibid., p. 362. 



181. * Remarks on the Occurrence of the Genus Dithyrocaris in the 



Hamilton and Chemung Rocks of New York. Ibid., p. 363. 



182. Notes and Observations on the Cohoes Mastodon. 21st. Ann. 



Rept. N. Y. St. Cab. Nat. Hist., 1868; pp. 99-148 and maps. 

 Aibany, 1871. 8vo. 



183. * Remarks upon the Catskill Red Sandstone Group as it occurs 



upon the borders of New York and Pennsylvania. Proc. Am. 

 Assoc. Adv. Sci., 20th meeting, Indianapolis, 1871; p. 418. 

 Cambridge, 1872. .8vo. 



184. Reply to a "Note on a question of Priority." Am. Jour. Sci. and 



Arts, 3d Ser., vol. IV, pp. 105-109. New Haven, 1872. 8vo. 



185. Report on the Water Supply of the City of Albany. Trans. Alb. 



Inst., vol. VIII, pp. 218-227, 1872. J. Hall, G. W. Hough, 

 T. Hun, L. C. Cooley. Albany, 1872. 8vo. 



186. The New York State Museum of Natural History; Its History 



and Present Condition. 8vo., 4 pages. 



Printed as a pamphlet, taken from the Albany Evening 

 Times, February 5, 1873. 



187. Descriptions of New Species of Fossils from the Devonian Rocks 



of Iowa. J. Hall and R. P. Whitfield, 23d Ann. Rept. S. Cab. 

 Nat. Hist.; pp. 223-238. Albany, 1873 (should be 1872). 8vo. 



188. Notice of Three New Species of Fossil Shells from the Devonian 



of Ohio. J. Hall and R. P. Whitfield. Ibid., pp. 240-241. 



189. Notice of Two New Species of Fossil Shells from the Potsdam 



Sandstone of New York. J. Hall and R. P. Whitfield. Ibid., 

 pp. 241-242. 



