Published Works of James Hall. 89 



118. Observations upon some of the Brachiopoda, with Reference to 



the Characters of the Genera Cryptonella, Centronella, Meris- 

 tella, Trematospira, Rhynchospira, Retzia, Leptocoelia and allied 

 forms. Ibid., pp. 38-61. 



119. Observations upon the Genus Streptorhynchus,with remarks upon 



some species heretofore referred to the Genera Strophomena 

 and Orthis. Ibid., pp. 61-66. 



120. Note on the Geological Range of the Genus Receptaculites in 



American Palaeozoic Strata. Ibid., pp. 67-69. 



121. Note on the Occurrence of Astylospongia in the Lower Helder- 



berg Rocks. Ibid., pp. 69-70." 



122. On the Occurrence of Crustacean Remains of the Genera Cera- 



tiocaris and Dithyrocaris, with a notice of some new species 

 from the Hamilton Group and Genesee Slate [with a plate]. 

 Ibid., pp. 71-75. 



123. Observations upon some Spiral-growing Fucoidal Remains of the 



Palaeozoic Rocks of New York. Ibid., pp. 76-83, 1 plate. 



124. Observations upon the Genera Uphantaenia and Dictyophyton ; 



with notices of some species from the Chemung Group of New 

 York, and the Waverly Sandstone of Ohio. Ibid., pp. 84-91, 

 4 plates. 



125. The Flora of the Devonian Period. Ibid., pp. 92-109, 4 plates. 



126. Preliminary Notice of the Fauna of the Potsdam Sandstone ; 



with remarks upon the Previously known species of Fossils, and 

 Descriptions of some New Ones, from the Sandstone of the 

 Upper Mississippi Valley. Ibid., pp. 119-209, 6 plates. 



127. Supplementarv Note on the Potsdam Sandstone. Ibid., pp. 210- 



222. 



128. Notes and Corrections. Ibid., pp. 223-226. 



129. Observations upon some of the Brachiopoda, with reference to 



the Genera Crvptonella, Centronella, Meristella, and allied 

 forms. Trans. Albany Institute, vol. IY, pp. 125-147 [1863]. 

 Albany, 1864. 8vo. Also published in Am. Jour. Sci., 2d Ser., 

 vol. 35, pp. 396-406 ; vol. 36, pp. 11-15. New Haven, 1863. 

 8vo. 



130. Preliminary Notice of some Species of Crinoidea from the 



Waverly Sandstone Series, of Summit county, Ohio, supposed 

 to be of the age of the Chemung Group of New York. Seven- 

 teenth Ann. Report N, Y. State Cab. Nat. Hist., pp. 50-60. 

 Published in advance. Albany, 1863 8vo. 



131. Descriptions of New Species of Fossils from the' Carboniferous 



Limestones of Indiana and Illinois. Read in 1856 and pub- 

 lished separately. Trans. Alb. Inst, vol. IV. 1864. 



132. * On the Genus Eurypterus. Ibid., p. 280. 1860. 8vo. 



133. *On the Formation of Mountain Chains. Ibid., pp. 284-285. 



134. * On the Geology of Wisconsin. Ibid., pp. 288, 295. 1864. 



135. * Remarks on Oil Springs. Ibid., p. 303. 



136. * Remarks on the Taconic System. Ibid., pp. 289, 292, 293. 



137. *On the Niagara Group. Ibid., p. 301. 



138. Notice of some New Species of Fossils from a locality of the 



Niagara Group in Indiana ; with a List of Identified Species 

 from the Same Place. Ibid., pp. 195-228 [1862]. Albany, 

 1864. 8vo. 



[Sen. Doc. No. 53.] 12 



