Published Works of James Hall. 91 



159. On the Genus Tropidoleptus. Ibid., pp. 279-281. 



160. Note on the Genus Palseaster, with descriptions of some new 



species and observations upon those previously described. Ibid., 

 pp. 282-303, 1 plate. 



161. Account of some new or little known Species of Fossils from 



Rocks of the age of the Niagara Group (originally printed in 

 advance for the 18th Report in the New York State Cabinet, 

 1864). Ibid., pp. 305-401, 15 plates. 



162. * Observations on the Genus Streptorhynchus. Ibid., p. 241. 



163. * Observations on the Genus Strophodonta. Ibid., p. 241. 



164. * On the Genera Pentamerus and Stricklandinia, and their sup- 



posed relations with Rensselseria. Ibid., p. 273. 



165. * On the Genera Terebraluta, Centronella, Cryptonella, etc. 



Ibid., p. 279. 



166. * Descriptions of some new species of Orinoidea, and other fossils 



from the Lower Silurian strata, principally of the age of the 

 Hudson River Group. Ibid., p. 304. 



167. * Descriptions of Bryozoa and Corals from the Lower Helderberg 



Group of New York. Ibid,, p. 304 (published in 26th Report, 

 1874). 



168. * Descriptions of Bryozoa, etc., from the Upper Helderberg and 



Hamilton Groups of New York. Ibid., p. 304 (published in 

 Trans. Alb. Inst, 1882). 



169. * Miscellaneous Notices. Ibid., p. 304. 



170. * On the Geological Relations of the Mastodon and Fossil Ele- 



phant. (See 21st Report on the State Cabinet of Natural His- 

 tory, Albany, 1871.) Am. Assoc. Ad. Sci., 16th meeting, 

 Burlington, 1867; p. 161. Cambridge, 1868. 8vo. 



171. * On the Geographical Distribution of the Sediments and of the 



Fossils in the Hamilton, Portage and Chemung Groups of New 

 York. Ibid., p. 161. 



172. * On the Value of the term Hudson River Group in Geological 



Nomenclature. (Sec also for printed notes Proceedings Nashville 

 meeting, Am. Ass. Ad. Sci. 1877.) Ibid., p. 161. 



173. * On the Occurrence of Fossil Sponges in the Successive Groups 



of the Palaeozoic Series. Ibid., p. 161. 



174. Geological History of the North American Continent ; a lecture 



delivered before the American Institute in New York ; p 24. 

 Albany, 1869. 8vo. 



175. * Preliminary Notice of the Lamellibranchiata of the Upper Hel- 



derberg, Hamilton and Chemung groups. Proc. A. A. Sci., 

 18th meeting, Salem, 1869 ; p. 282. Cambridge, 1870. 8vo. 



176. Preliminary Notice of the Lamellibranchiate Shells of the Upper 



Helderberg, Hamilton and Chemung Groups, with others from 

 the Waverly Sandstones. (Preparatory for the Palaeon tology 

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

 1869) ; 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. 



