208 
1843. 
1852. 
1852. 
1856. 
1857. 
1858. 
1S58. 
1858. 
1859. 
1860. 
1860. 
1860. 
1860. 
1860. 
1862. 
1862. 
1863. 
1863. 
1863. 
1864. 
1865. 
1865. 
1866. 
1867. 
1868. 
1870. 
1872. 
1873. 
1874. 
1874. 
1875. 
1877. 
1879. 
1881. 
1882. 
PALAEONTOLOGY OF NEW YORK. 
RHIPIDOMELLA, (Ehlert. 1890. 
RHIPIDOMYS, CEhlert. 1887. 
XI. Group of Orthis Michelini, Leveille. 
Terebratula Michelini, Leveille. 
PLATE VI, FIGS. 1-16, 19-21; PLATE VIA, FIGS. 1-22; and PLATE VII, FIGS. 1-10. 
Orthis, Hall. Geology of N. Y.; Rept. Fourth Dist., p. 71, fig. 1, and p. 105, fig. 7. 
Orthis, Owen. Geol. Sure. Wisconsin, Iowa and Minnesota, p. 585, pi. iiia, fig. 10. 
Orthis, Hall. Paleontology of N. Y., vol. ii, p. 56, pi. xx, fig. 6, and p. 253, pi. lii, fig. 4. 
Orthis, Billings. Canadian Nat. and Geol., vol. i, p. 134, pi.-ii, fig. 1. 
Orthis, Hall. Tenth Rept, N. Y. State Cab. Nat, Hist., p. 41, fig. 1-5; p. 42, figs. 1, 2; p. 46, 
and p. 135, figs. 1-7. 
Orthis, Hall. Trans. Albany Institute, vol. iv, p. 12. 
Orthis, Hall. Geology of Iowa, vol. i, pt. ii, p. 596, pi. xii, fig. 4; pp. 486, 4S7, pi. ii, figs. 1-3. 
Orthis, Marcou. Geology of North America, p. 48, pi. vi, fig. 14. 
Orthis, Swallow. Trans. St. Louis Acad. Sci., vol. i, p. 21S. 
Orthis, Hall. Paleontology of N.Y., vol. iii, pp. 162, 164-167, 175, 409, 481, pi. x, figs. 1-22; 
pi. xa, figs. 4-12; pi. xi, figs. 1-14 ; pi. xv, fig. 1 ; pi. xci, figs. 1-3; pi. xcv, 
figs. 1-7; pi. xcva, figs 20, 21. 
Orthis, Billings. Canadian Journal, vol. v, pp. 267, 269, figs. 14-16. 
Orthis, Hall. Thirteenth Rept. N. Y. State Cab. Nat. Hist., pp. 78-80, figs. 1, 2. 
Orthis, F. Roemer. Sil. Fauna westl. Tennessee, p. 63, pi. v, fig. 6. 
Oi'this, Swallow. Trans. St. Louis Acad. Sci., vol. i, p. 639. 
Orthis, White. Journ. Bost. Soc. Nat. Hist., vol. vii, p. 231. 
Orthis, White and Whitfield. Proc. Bost. Soc. Nat. Hist., vol. viii, p. 292. 
Orthis, A. Winchell. Proc. Acad. Nat. Sci., Phila., vol. xiv, p. 409. 
Orthis, Hall. Sixteenth Rept. N. Y. State Cab. Nat. Hist., pp. 32-35. 
Orthis, Swallow. Trans. St. Louis Acad. Sci., vol. ii, p. 81. 
Orthis, Billings. Geology of Canada, p. 369, fig. 385 and p. 384, fig. 417. 
Orthis, Meek. Paleontology of California, vol. i, p. 10, pi. ii, fig. 5. 
Orthis, Shaler. Bull. No. 4, Mus. Comp. Zool., p. 66. 
Orthis, A. Winchell. Proc. Acad. Nat. Sci., Philadel., p. 116. 
Orthis, Billings. Catalogue Silurian Foss. Island Anticosti, p. 42. 
Orthis, Hall. Paleontology of N. Y., vol. iv, pp. 34, 36, 38, 40, 41, 45, 47, 48, 50, 52, 63, pi. iv, 
figs. 1-10; pi. v, figs. 4, 6-10; pi. vi, figs. 2, 3; pi. vii, figs. 1, 2, 4; pi. viii, 
figs. 2, 9, 10; p. lxiii, figs. 1-5. 
Orthis, Meek and Worthen. Geology of Illinois, vol. iii, p. 371, pi. vii, fig. 7. 
Orthis, A. Winchell. Proc. American Philosophical Soc., vol. xii, p. 251. 
Orthis, Meek. Paleontology of Eastern Nebraska, p. 173, pi. i, fig. S. 
Oi'this, Meek and Worthen. Geology of Illinois, vol. v, p. 591, pi. xxv, fig. 4. 
Orthis, Billings. Paleozoic Foss., vol. ii, p. 32, figs. 14-16; p. 35, pi. iii, fig, 4. 
Orthis, Derby. Bull. Cornell University, vol. i, p. 26, pis. v, viii. 
Orthis, White. Geogr. and Geol. Expl. west 100th Merid., p. 125, pi. ix, fig. 5. 
Oi'this, Meek. U. S. Geological Expl. 40th Parallel, vol. iv, p. 63, pi. vii, fig. 1. 
Orthis, Hall. Twenty-eighth Rept. N. Y. State Mus. Nat. Hist., p. 149, pi. xxi, figs. 18-25. 
Orthis, Miller. Journ. Cincinnati Soc. Nat. Hist., vol. iv, p. 8, pi. vii, fig. 8. 
Orthis, Whitfield. Geology of Wisconsin, vol. iv, p. 320, pi. xxv, figs. 1, 2. 
