60 BIBLIOGRAPHY OF BRACHIOPODA. 



1857 Hall, J. Descriptions of Palaeozoic fossils [from 3rd and 4th vols, of the Palaeon- 



tology of New York]. Tenth Ann. Rep. New York State Cabinet, Appendix C, 

 pp. 41—180. 



1858 Palaeontology of Iowa. Rep. Geol. Surv. Iowa, vol. i, pt. 2, pp. 473 — 724 ; 



29 pis. 



1859 Observations on the genus Nucleospira. Twelfth Ann. Rep. New York State 



Cabinet, pp. 24—26. 



— — — The genus Trematospira. Ibid., pp. 27, 28. 



— The genus Rhynchospira. Ibid., pp. 29, 30. 



— The genus Tropidoleptus. Ibid., p. 31. 



— The genus Leptoccelia. Ibid., pp. 32 — 34. 



— Observations on the genus Eatonia. Ibid., pp. 34 — 37. 



— Observations on the genus Rensselaria. Ibid., pp. 38 — 41. 



— Observations on the genus Camarium. Ibid., pp. 42, 43. 



— The genus Triplesia. Ibid., p. 44. 



Catalogue of the species of fossils described in volumes i, ii, and iii of the 



Palaeontology of New York, with corrections in nomenclature, as far as 

 determined to the present time. Ibid., pp. 63 — 92. 



1860 The genus Rhynchonella, with observations on the R. (Atrypa) increbescens. 



Thirteenth Ann. Rep. N. Y. State Cabinet, pp. 65 — 68. 



Observations upon Orthis insignis of the Lower Helderberg Group, Orthis 



pyramidalis of the Niagara Group, and a similar species from Tennessee. Ibid., 

 pp. 69, 70. 



— Observations on the genus Ambocadia. Ibid., pp. 71, 72. 



— The genus Vitulina. Ibid., p. 72. 



— Observations on the genera Athyris (Spirigera), Merista (= Camarium), 



Meristella, and Leiorhynchus. Ibid., pp. 73 — 75. 



— Descriptions of new species of fossils from the Hamilton Group of Western 



New York, with notices of others from the same horizon in Iowa and Indiana. 

 Ibid., pp. 76—94. 



— Descriptions of new species of fossils from the Silurian Rocks of Nova 



Scotia. Canad. Nat., vol. v, pp. 144 — 159. 



— Annual Report of the Geological Survey of the State ol Wisconsin for the 



year ending Dec. 31st, 1859. 8vo. Madison. 



1861 Descriptions of new species of fossils from the Upper Helderberg, Hamilton, 



and Chemung Groups ; with observations upon previously described species. 

 Fourteenth Ann. Rep. New York State Cabinet, pp. 99 — 109. 



— Contributions to Palaeontology, comprising descriptions of new species of fossils 



from the Upper Helderberg, Hamilton, and Chemung Groups. Fifteenth Ann. 

 Rep. New York State Cabinet, pp. 29—80. 



— Observations on a new genus of Brachiopoda {Zygospira). Ibid., pp. 154, 155. 



