22 PALAEONTOLOGY OF NEW YORK. 



(r) 1858. Spirifer, Hall. Geol. Survey Iowa, vol. i, pt. ii, p. .')19, pi. vii, fig. 5 ; p. 600, pi. xiii. fig. I ; 

 p. 601, pi. xiii, fig-. 2; p. 602, pi. xiii, fig. 3; p. 661, pi. xxiii, fig-. 1 ; p. 662, 

 pi. xxiii, fig. 8 ; p. 663, pi. xxiii, fig. 9. 



(d) 1858. Spinfer, Hall. Geol. Survey Iowa, vol. i, pt. ii, p. 521, pi. vii, fig. 8 ; p. 644, pi. xx, fig. 3 ; 



p. 660, pi. xxiii, fig, 6 ; p. 676, pi. xxiv, fig. 4 ; pp. 706-708, pi. xxvii, fig. 6. 



(e) 1858. Spir'ifer. Hall. Geol. Survey Iowa, vol. i, pt. ii, p. 711. 



(e) 1858. Spirifer, Mabcod. Geology of North America, p. 50, pi. vii, fig. 4. 



(a) 1859. Spirifer, Hall. Palaeontology of N. Y., vol. iii, p. 425, pi. xcviii, figs. 1-8 ; pi. xdx, 

 figs. 1-10 ; pi. c, figs. 1-8. 



(a) 1859. DeWiyris, Rogers. Geology of Pennsylvania, vol. ii. pt. ii, p. 829, fig. 683 ; p. 826, fig. 650. 



(b) 1860. Spirifer, Swallow. Trans. St. Louis Acad. Science, vol. i, p. 643. 

 (e) 1860. Spirifera, McChesney. New Palaeozoic Fossils, p. 44. 



(/) 1860. Spirifer, Hall. Thirteenth Ann. Kept. N. Y. State Cab. Nat. Hist., p. 82. 

 (6) 1861. Spirifer, Newberry. Ives' Rept. Colorado River of the West, p. 127. 



(a) 1863. Splrifera, Billings. Geology of Canada, p. 960, fig. 465. 



(e) 1863. Splrifera, Davidson. Quarterly Journal Geol. Soc. London, vol. xix, p. 171, jil. ix, figs. 7, 8. 

 (e) 1865. Splrifera, A. Winchell. Proc. Acad. Nat. Sci. Philadelphia, p. 118. 



(b) 1866. Spirifer, Geinitz. Carbon und Dyas in Nebraska, p. 44. 



(e) 1866. Spirifer, Swallow. Trans. St. Louis Acad. Science, vol. ii, pp. 409, 410. 



(a) 1S67. Splrifera, Hall. Palieontology of N. Y., .vol. iv, p. 243, pi. xli, figs. 1-19 ; pi. xiii, 



figs. 1-20 ; p. 203, pi. xxx, fig. 21. 

 (e) 1867. Splrifera, Hall. PaltEontology of N. Y., vol. iv, p. 194, pi. xxvii, fig. 29 ; pi. xxviii. figs. 7-23. 

 (/) 1867. Splrifera, Hall. Palaiontology of N. Y., vol. iv, p. 213, pi. xxxii, figs. 1-6. 

 (e) 1868. Splrifera, McChksnby. Ti-ans. Chicago Acad. Science, vol. i, p. 35, pi. i, fig. 4. 



(b) 1870. Spirlfeiu, Meek and Worthen. Proc. Acad. Nat. Sci. Philadelphia, vol. xvii, p. 36. 

 Spirifer, A. Winchell. Proc. Amer. Philos. Soc, vol. xii, p. 252. 

 Spirifer (Trlgonolreta?), Meek. Proc. Acad. Nat. Sci. Philadelphia, vol, xviii, p. 179. 

 Spirifer, Meek. Palaeontology Eastern Nebraska, p. 183, pi. vi, fig. 12; pi. viii, fig. 15. 

 Spirifer, Meek and Worthen. Geol. Survey Illinois, vol. iii, p. 573, pi. xxv, fig. 7. 

 Splrifera. Hall and Whitfield. Twenty-third Ann. Rept. N. Y. State Cab. Nat. History, 



p. 237, pi. xi, figs. 16-20. 

 Splrifera, Billings. Palfeozoic Fossils, vol. ii, p. 45, pi. iii a, fig. 3. 

 Spirifii-a, Derby. Bull. Cornell University, vol. i, No. 2, p. 12, pis. i, ii, iv, v. 

 (e) 1874. Splrifera, Derby. Bull. Cornell University, vol. i. No. 2, p. 15, pis. i, ii, iv. 

 (6) 1875. Splrifera, White. Rept. Geogr. Surveys West 100th Meridian, p. 88, pi. v, fig. 10 ; p. 132, 



pi. X, fig. 1. 

 (6) 1875. Splrifera (Trlgonot.reta), Meek. Paleontology of Ohio, vol. ii, p. 280, pi. xiv, fig. 8. 

 (h) 1875. Splrifera, Meek and Worthen. Geol. Survey Illinois, vol. vi, p. 521, pi. xxx, fig. 3. 



(c) 1875. Splrifera (Trlgonolreta), Meek. Palaeontology of Ohio, vol. ii, p. 290, pi. xiv, fig. 5. 



(c) 1875. Splrifera, White. Rept. Geogr. Surveys West 100th Meridian, p. 86, pi. v, fig. 8. 



(d) 1875. Splrifera, Meek and Worthen. Geol. Survey Illinois, vol. vi, p. 523, pi. xxx, fig. 1. 



(e) 1875. Splrifera (Trigonotreta), Meek. Palaeontology of Ohio, vol. ii, p. 329, pi. xix, fig. 14. 

 (e) 1875. (Spin/era, White. Rept. Geogr. Surveys West 100th Meridian, p. 134, pi. xi, fig. 9. 

 (b) 1876. Spirifer, Meek. Simpson's Rept. Exi>l. Great Basin of Utah, p. 353, pi. ii, fig. 3. 

 (b) 1876. Spirifer (Trigonotreta), Meek. Macomb's Rept. Expl. from Sante Fe to the Colorado, 



p. 139, pi. iii, fig. 5. 

 (e) 1876. Splrifera, Meek. Bull. U. S. Geol. Survey, vol. ii. No. 4, p. 355, pi. i, fig. 3. 

 (b) 1877. Splrifera, Hall and Whitfield. Geol. Expl. Fortieth P.arallel, vol. iv, p. 269, pi. v, 



figs. 13-15. 

 (/)) 1877. Spirifer (Trigonotreta), Meek. Geol. Expl. Foi-tieth Parallel, vol. iv, p. 91, pi. ix, fig. 2. 

 (v) 1877. Splrifera, Hall and Whitfield. Geol. Expl. Foi-tieth Parallel, vol. iv, p. 254, pi. iv, figs. 



5, 6 ; p. 255, pi. iv, figs. 7, 8. 



