22 
PALEONTOLOGY OF NEW YORK. 
(C) 
1858. 
{d) 
1858. 
(e) 
1858. 
{e) 
1858. 
{a) 
1859. 
(a) 
1859. 
(&) 
1860. 
(e) 
1860. 
(/) 
1860. 
a>) 
1861. 
{a) 
1863. 
ie) 
1863. 
(c) 
1865. 
(b) 
1866. 
(e) 
1866. 
{a) 
1867. 
(e) 
1867. 
(/) 
1867. 
(e) 
1868. 
{b) 
1870. 
{b) 
1870. 
{b) 
1871. 
(b) 
1872. 
(b) 
1873. 
(e) 
1873. 
(a) 
1874. 
if) 
1874. 
(e) 
1874. 
(b) 
1875. 
ib) 
1875. 
ib) 
1875. 
(c) 
1875. 
(c) 
1875. 
id) 
1875. 
ie) 
1875. 
(e) 
1875. 
ib) 
1876. 
ib) 
1876. 
ie) 
1876. 
ib) 
1877. 
ib) 
1877. 
ic) 
1877. 
Spirifer, Hall. Geol. Survey Iowa, vol. i, pt. ii, p. 519, pi. vii, fig. 5 ; p. 600, j)l. xiii, fig. 1; 
p. 601, pi. xiii, fig. 2; p. 602, pi. xiii, fig. 3 ; p. 661, pi. xxiii, fig. 7; p. 662, 
pi. xxiii, fig. 8; p. 663, pi. xxiii, fig. 9. 
Spirifer, Hall. Geol. Survey Iowa, vol. i, x>t. ii, p. 521, jil. vii, fig. 8 ; ji. 644, j)!. xx, fig. 3 ; 
}■). 660, x>l. xxiii, fig. 6; ji. 676, j)!. xxiv, fig. 4; x>ii. 706-708, j)!. xxvii, fig. 6. 
Spirifer. Hall. Geol. Survey Iowa, vol. i, pt. ii, p. 711. 
Spirifer, Marcou. Geology of North America, ii. 50, pi. vii, fig. 4. 
Spirifer, Hall. Paleontology of N. Y., vol. iii, p. 425, jil. xcviii, figs. 1-8; pi. xcix, 
figs. 1-10 ; jil. c, figs. 1-8. 
Delthyris, Rogers. Geology of Pennsylvania, vol. ii, jit. ii, ji. 829, fig. 683 ; p. 826, fig. 650. 
Spirifer, Swallow. Trans. St. Louis Acad. Science, vol, i, 643. 
Spirifera, McChesney. New Paleozoic Fossils, p. 44. 
Spirifer, Hall. Thirteenth Ann. Rejit. N. Y. State Cab. Nat. Hist., ji. 82. 
Spirifei-, Newberry. Ives’ Rejit. Colorado River of the West, ji. 127. 
Spb'ifera, Billings. Geology of Canada, 960, fig. 465. 
Spirifera, Davidson. Quarterly Journal Geol. Soc. London, vol. xix, p. 171, id. ix, figs. 7, 8. 
Spirifera, A. Winchell. Proc. Acad. Nat. Sci. Philadelphia, p. 118. 
Spb'ifer, Geinitz. Carbon und Dyas in Nebraska, p. 44. 
Spirifer, SwAieow. Trans. St. Louis Acad. Science, vol. ii, pp. 409, 410. 
Spirifera, Hall. Paleontology of N. Y., .vol. iv, p. 243, pi. xli, figs. 1-19 ; pi. xiii, 
figs. 1-20; p. 203, pi. xxx, fig, 21. 
Spirifera, Hall. Paleontology of N. Y., vol. iv, p. 194, pi. xxvii, fig. 29 ; pi. xxviii, figs. 7-23. 
Spirifera, Hall. Paleontology of N. Y., vol. iv, p. 213, pi. xxxii, figs. 1-6. 
Spirifera, McChksnby. Trans. Chicago Acad. Science, vol. i, p. 35, pi. i, fig. 4. 
Spirifera, Meek and Worthbn. Proc. Acad. Nat. Sci. Philadelphia, vol. xvii, p. 36. 
Spirifer, A. Winchell. Proc. Amer. Philos. Soc., vol. xii, p. 252. 
Spirifer (Trigonotreta?), Meek. Proc. Acad. Nat. Sci. Philadelphia, vol, xviii, p. 179. 
Spirifer, Meek. Paleontology Eastern Nebraska, p. 183, pi. vi, fig. 12 ; pi. viii, fig. 15. 
Spirifer, Meek and Worthbn. Geol. Survey Illinois, vol. iii, p. 573, pi. xxv, fig. 7. 
Spirifera, Hall and Whitfield. Twenty-third Ann. Rept. N. Y. State Cab. Nat. History, 
p. 237, pi. xi, figs. 16-20. 
Spirifera, Billings. Paleozoic Fossils, vol. ii, p. 45, pi. iii a, fig. 3. 
Spirifera, Derby. Bull. Cornell University, vol. i. No. 2, p. 12, pis. i, ii, iv, v. 
Spirifera, Derby. Bull. Cornell University, vol. i. No. 2, p. 15, pis. i, ii, iv. 
Spirifera, White. Rept. Geogr. Surveys West 100th Meridian, p. 88, pi. v, fig. 10 ; p. 132, 
pi. X, fig. 1. 
Spirifera {Trigonotreta), Meek. Paleontology of Ohio, vol. ii, p. 280, pi. xiv, fig. 8. 
Spirifera, Meek and Worthen. Geol. Survey Illinois, vol. vi, p. 521, pi. xxx, fig. 3. 
Spirifera {Trigonotreta), Meek. Paleontology of Ohio, vol. ii, p. 290, pi. xiv, fig. 5. 
Spirife^'a, White. Rept. Geogr. Surveys West 100th Meridian, p. 86, pi. v, fig. 8. 
Spirifera, Meek and Worthbn. Geol. Survey Illinois, vol. vi, p. 523, pi. xxx, fig. 1. 
Spirifera {Trigonotreta), Meek. Paleontology of Ohio, vol. ii, p. 329, pi. xix, fig. 14. 
Spirifera, White. Rept. Geogr. Surveys West 100th Meridian, p. 134, pi. xi, fig. 9. 
Spirifer, Meek. Simpson’s Rept. Expl. Great Basin of Utah, p. 353, pi. ii, fig. 3. 
Spirifer {Trigonotreta), Meek. Macomb’s Rept. Expl. from Sante Fe to the Colorado, 
p. 139, pi. iii, fig. 5. 
SpiHfera, Meek. Bull. U. S. Geol. Survey, vol. ii. No. 4, p. 355, pi. i, fig. 3. 
Spirifera, Hall and Whitfield. Geol. Expl. Fortieth Parallel, vol. iv, p. 269, pi. v, 
figs. 13-15. 
Spirifer {Trigonotreta), Meek. Geol. Expl. Foi-tieth Parallel, vol. iv, p. 91, pi. ix, fig. 2. 
Spirifera, Hall and Whitfield. Geol. Expl. Fortieth Parallel, vol. iv, p. 254, pi. iv, figs. 
5, 6; p. 255, pi. iv, figs. 7, 8. 
