188 
PALAEONTOLOGY OF NEW YORK. 
1867. Orthis, Hall. Palaeontology of N. Y., vol. iv, pp. 33-63. 
1868. Orthis, Hartt. Dawson’s Acadian Geology, 2d ed., pp. 599, 644. 
1868. Orthis, Meek and Wobthen. Geological Survey Illinois, vol. iii, pp. 371, 373, 423, 424. 
1868. Orthis, Meek. Trans. Chicago Acad. Sciences, vol. i, pp. 88-90. 
1868. Orthis, McChesney. Trans. Chicago Acad. Sciences, vol. i, p. 29. 
1869. Orthis, Safford. Rept. Geology Tennessee, pp. 286, 328, 533. 
1870. Orthis, A. Winchell. Proc. Amer. Philosophical Society, vol. xii, p. 251. 
1870. Orthis, Meek. Proc. Amer. Philosophical Society, vol. xii, p. 425. 
1872. Orthis, Meek. Final Rept. Palaeont. Eastern Nebraska, p. 173. 
1872. Orthis, Meek. Prelim. Rept. U. S. Geological Survey Montana, p. 295. 
1872. Orthis, Meek. American Journal of Science, vol. iv, p. 281. 
1872. Orthis. Hall and Whitfield. Twenty-fourth Ann. Rept. N. Y. State Mus. Nat. Hist., p. 181. 
1873. Orthis (Platystrophia ), Meek. Geological Survey of Ohio; Palaeontology, vol. i, pp. 92,114. 
1873. Orthis, Meek. Sixth Ann. Rept. U. S. Geological Survey Territories, p. 464. 
1873. Orthis, Meek and Worthen. Geological Survey Illinois, vol. v, p. 571. 
1874. Orthis, Derby. Bull. Cornell University, vol. i, No. 2, pp. 26, 29, 63. 
1874. Orthis, Billings. Palaeozoic Fossils, vol. ii, pp. 32-35. 
1874. Orthis (Platystrophia)-, James. Cincinnati Quarterly Journal of Science, vol. i, p. 19. 
1874. Orthis, Rathbdn. Bull. Buffalo Soc. Nat. Hist., vol. i, p. 247. 
1874. Orthis, Nicholson and Hinde. Canadian Journal, new series, vol. xiv, pp. 144, 158. 
1875. Orthis, Miller. Cincinnati Quarterly Journal of Science, vol. ii, pp. 19-40. 
1875. Orthis, White. Wheeler’s Survey 100th Meridian, pp. 55, 70, 74, 125. 
1875. Orthis, Nicholson. Rept. Palaeontology, Province Ontario, pp. 16, 47. 
1875. Orthis, Hall and Whitfield. Geological Survey Ohio; Palaeontology, vol. ii, pp. 75-77. 
1877. Orthis. Meek. U. S. Geological Expl. Fortieth Parallel, vol. iv, p. 63. 
1877. Orthis, Hall and Whitfield. U. S Geological Expl. Fortieth Parallel, vol. iv, pp. 232, 265. 
1878. Orthis, Calvin. Bull. U. S. Geological Surv. Territories, vol. iv, No. 3, p. 72S. 
1879. Orthis, Rathbun. Proc. Boston Society Natural History, p. 23. 
1879. Orthis, James. Palaeontologist, No. 4, pp. 26, 31. 
1879. Orthis, Ulrich. Journ. Cincinnati Society Natural History, vol. ii, p. 15. 
1879. Orthis, Hall. Twenty-eighth Ann. Rept. N. Y. State Mus. Nat. Hist., p. 149. 
1880. Orthis, N. H. Winchell. Eighth Ann. Rept. Geol. and Natural History Survey of Minnesota, 
pp. 63-68. 
1880. Orthis, White. Second Ann. Rept. Bureau Stat. and Geology Indiana, pp. 484-486. 
1881. Orthis, White. Tenth Report Indiana State Geologist, pp. 116, 133. 
1881. Orthis, White. Wheeler’s Survey 100th Meridian. Appendix, p. xxiii. 
•1881. Orthis, N. H. Winchell. Ninth Ann. Rept. Geol. Surv. Minnesota, p. 115. 
1881. Orthis, Miller. Journ. Cincinnati Society Natural History, vol. iv, pp. 8, 313. 
1882. Orthis, Miller. Journ. Cincinnati Society of Natural History, vol. v, pp. 16, 40. 
1882. Orthis, Whitfield. Geology of Wisconsin, vol. iv, pt. 3, Palaeontology, pp. 258, 260, 320, 326. 
1882. Orthis . Hall. Eleventh Ann. Rept. State Geologist Indiana, pp. 268, 285, 286. 
1882. Orthis, Whitfield. Bull. American Museum Natural History, vol. i, No. 3, p. 45. 
1883. Oi'this, Hall. Thirty-sixth Ann. Rept. N. Y. State Mus. Nat. Hist., pp. 73-75. 
1883. Orthis, Hall. Twelfth Ann. Rept. State Geologist Indiana, p. 324. 
1883. Orthis, White. Twelfth Ann. Rept. U. S. Geol. Survey Territories, p. 164. 
1883. Orthis, Hall. Ann. Rept. N. Y. State Geologist for 1882, plates 34-37. 
1883. Orthis, Hall. Transactions Albany Institute, vol. x, p. 70. 
1884. Orthis, White. Thirteenth Ann. Rept. State Geologist Indiana, p. 129. 
1884. Orthis, Walcott. Palaeontology of the Eureka District, pp. 22, 72, 74, 114, 115. 
1S85. Orthis, N. H. Winchell. Fourteenth Ann. Rept. Geol. and Nat. Hist. Surv. Minnesota, 
pp. 317, 318. 
1885. Orthis, Foerste. Bull. Denison University, vol. i, pp. [80-87. 
