State Museum of Natural History. 



87 



110. Preliminary Notice of the Trilobites and other Crustacea of the 



Upper Helderberg, Hamilton and Chemung Groups. Ibid., 

 pp. 54-86. (Published 1861, Sept.) 



111. Preliminary notice of some of the Species of Crinoidea, known in 



the Upper Helderberg and Hamilton Groups of New York. 

 Ibid., pp. 87-125. 



112. Observations upon a New Genus of Brachiopoda. Ibid., pp. 



126-127. 



113. Observations on the Genera Athyris = Spirigera, etc. (Reprinted 



from the 13th Report, with explanation.) Ibid., pp. 148-163. 



114. Note on the Genus Cypricardites. Ibid., pp. 164-165. 



115. Notes and Corrections. Ibid., pp. 167-169. 



116. On a New Crustacean from the Potsdam Sandstone. Can. Nat. 



and Geol., vol. 7, pp. 443-445. Montreal, 1863. 

 Contributions to Pakeontology ; principally from investigation 

 made during- the years 1861 and 1862. 16th Ann. Rept. N. Y. 

 St. Cab. Nat. Hist. Appendix D. Albany, 1863. 8vo. 



117. Descriptions of New Species of Brachiopoda from the Upper 



Helderberg, Hamilton and Chemung Groups. Ibid., p. 19. 



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



the Characters of the Genera Cryptonella, Centronella, Meris- 

 tella, Trematospira, Rhynchospira, Retzia, Leptoccelia 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 Uphantsenia 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. 



