86 Forty-second Annual Report on tee 



98. Descriptions of New Species of Crinoidea; from Investigations of 



the Iowa Geological Survey. Preliminary Notice, p. 19. 

 Albany, 1861. 8vo. 



99. Report of the Superintendent of the Geological Survey, exhibit- 



ing the Progress of the Work. Geological Survey of Wisconsin; 

 Descriptions of New Species of Fossils from the Investigations 

 of the Survey. Pp. 52. Madison, 1861. 8vo. 



100. New Species of Orthoceras. Geol. of Vermont, p. 718. Clare- 



mont, N. H., 1861. 4to. 

 Contributions to Palaeontology. Being some of the Results of 

 Investigations made during the years 1859 and 1860. 14th 

 Ann. Rept. St. Cab. Appendix G. Albany, 1861. 8vo. 



101. Observations upon some New and Other Species of Fossils from 



the Rocks of the Hudson River Group of Ohio and the West- 

 ern States, with descriptions. Ibid., pp. 89-92. 



102. Note on the Genera Bellerophon, Bucania, Carinaropsis, and 



Cyrtolites. Ibid., pp. 93-98. 



103. Descriptions of New Species of Fossils from the Upper Helder- 



berg, Hamilton and Chemung groups; with observations upon 

 previously described species. Ibid., pp. 99-109. 



104. Descriptions of New Species of Crinoidea from the Carboniferous 



Rocks of the Mississippi Valley. Jour. Bos. Soc. Nat. Hist., 



vol. 7, pp. 251-328. Boston, 1861. 8vo. Also pub. separate, 

 August, 1872, with 7 plates. 



105. On the primordial Fauna and Point Levis Fossils. Am. Jour. 



Sci. and Arts, 2d ser., vol. 31, pp. 220-226. New Haven, 1861. 

 8vo. Also pub. in Can. Nat. and Geol., vol. VI, pp. 113-120. 

 Montreal, 1861. 



106. On the Potsdam Sandstone and Hudson River Rocks in Vermont. 



Am. Jour. Sci. and Arts, vol. 33, pp. 106-107. New Haven, 

 1862. 8vo. 



107. Rejoinder to Criticisms on Contributions to Palaeontology. Ibid., 



pp. 127-132. 



108. * On the Formation of Mountain Chains. Proc. Amer. Acad. Arts 



and Sci. [1861], vol. V, pp. 240-251. Boston, 1862. 8vo. 

 Contributions to Palaeontology. (Continuation of Appendix C.) 

 Descriptions of New Species of Fossils from the Upper Helder- 

 berg, Hamilton and Chemung Groups, continued from page 

 109 of the 14th Annual Report of the Regents of the Univer- 

 sity upon the State Cabinet. 15th Ann. Rept. N. Y. St. Cab. 

 Nat. Hist. Albany, 1862. 8vo. 



109. Contributions to Palaeontology. Ibid., pp. 1-53, 



