452 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Diplograptus (Glyptograptus) euglyphus (Lapworth). 



Diplograptus dentatus Lapworth, Ann. Mag. Nat. Hist., 5th ser., 4, 1870, p. 424; 

 Belfast, Nat. Field Club Rep. and Proc., 1, pt. 4, App., 1877, p. 132, pi. 6, 

 fig. 13; Geol. Soc. Quar. Jour., 34, 1878. 



Diplograptus (Glyptograptus) euglyphus Lapworth, Ann. Mag. Nat.eHist., 5th 

 ser., 5, 1880, p. 166, pi. 4, figs. 14a-e. Ruedemann, Mem. New York State 

 Mus., 11, pt. 2, 1908, pp. 369-370, pi. 25, figs. 22, 23, text figs. 315-316. 



Diplograptus euglyphus Lapworth, Ann. Mag. Nat. Hist., 5th ser., 6, 1880, p. 21; 

 Proc. and Trans. Roy. Soc. Can., 4, 1887, p. 177; Canadian Rec. Sci., 3, 1888, 

 p. 141 (loc. occ.); Can. Geol. Surv. Rep., 1887-88, 2d,ser., 3, pt. 1, p. 95B. 



Middle Ordovician: Great Britain (Glenkiln); Dease River, British Columbia; 

 Griffin Cove, etc., Quebec; Glenmont, Speigletown, etc., New York (Nor- 

 manskill); Silver Peak Quadrangle, Nevada; Arkansas. 



Plesiotype.Czt. No. 54266, U.S.N.M. 



Diplograptus euglyphus pygmseus Ruedemann. 



Diplograptus euglyphus var. pygmseus Ruedemann, Mem. New York State Mus., 



11, pt. 2, 1908, p. 371, pi. 25, figs. 317, 31.8. 

 Trenton (Canajoharie): Near Lansingburg, New York. 



Diplograptus follaceus (Murchison). 



?Fucoides dentatus Conrad, New York State Surv., 2d Ann. Rep., 1838, p. 114. 

 Vanuxem, ibid., p. 283. 



Graptolithus foHaceus Murchison, Sil. Syst., 1839, p. 694, pi. 26, fig. 3. Portlock, 

 Geol. Rep., 1843, p. 320, pi. 19, fig. 9. 



Diprion f oliaceus Harkness, Geol. Soc. London Quart. Jour., 7, 1850, pi. 1, fig. 13b. 



Diplograptus f oliaceus Geinitz, Die Grapt., 1852, pi. 1, figs. 29, 30. Lapworth, 

 Cat. West. Scotland Foss., 1876, p. 6, pi. 2, fig. 29; Belfast Nat. Feld Club Rep. 

 and Proc., 1, pt. 4, App., 1877, p. 133, pi. 6, fig. 18. Linnarsson, Sver. Geol. 

 Und., Ser. C., 31, 1879, p. 18ff. Tullberg, Sver. Geol. Und., Ser. C, 41, 

 1880, p. 20; ibid., 50, 1882, p. 20. Lapworth, Proc. and Trans. Roy. Soc. 

 Canada, 4, 1887, pp. 177ff. Ami, Can. Geol. Surv. Rep., 2d ser., 3, 

 pt. 2, 1888, p. 117K. Geinitz, Mitth. k. Min. geol. praeh. Mus. Dres- 

 den, 9, 1890, p. 37, pi. A. Gurley, Geol. Surv. Arkansas, Ann. Rep., 1892, 

 3, p. 404. Barrois, Ann. Soc. Geol. du Nord, 20, 1892, p. 145. Gurley, Jour. 

 Geol., 4, 1896, p. 298. Hall, Roy. Soc. Proc., 9, 1896, p. 185; ibid., 10, 

 1897, p. 14; Geol. Mag., n. s., dec. 4, 6, 1899, p. 445. Ruedemann, Bull. 

 New State Mus., 42, 1901, p. 497ff. Clark, Geol. Mag., 4th ser., 9, 1902, p. 

 498. T. S. Hall, Geol. Surv. Victoria Rec., 1, pt. 1, 1902, p. 34f; Geol. Surv. 

 New South Wales Rec., 7, pt. 2, 1902, p. 4, pi. 12, fig. 7. Weller, Geol. Surv. 

 New Jersey Pal., 3, 1902, p. 53. Ami, Geol. Surv. Canada, Summ. Rep., 

 1905, p. 12. Grabau and Shimer, N. A. Index Fossils 1, 1906, p. 33. Ruede- 

 mann, Mem. New York State Mus., 11, pt. 2, 1908, pp. 341-346, pi. 24, figs. 

 1-8, pi. 25, figs. 1, 2, text figs. 279-282, pi. 25, figs. 7-9. 



Fucoides simplex Emmons, Tac. Syst., 1844, p. 27, pi. 5, fig. 1; Agric. New 

 York, 1, 1847, pi. 17, fig. 1. 



Graptolithus pristis (part) Hall, Pal. New York, 1, 1847, p. 265, pi. 72, figs. 1-ac; 

 Pal. New York, 3, 1859, p. 516, fig. 2; New York State Cab. Nat. Hist., 13th 

 Ann. Rep., 1860, p. 60, fig. 2; Geol. Surv. Canada, Can. Org. Rem., dec. 2, 

 1865, p. 36, fig. 30; New York State Cab. Nat. Hist., 20th Ann. Rep., 1868, 

 pp. 204, 205, fig. 2. 



Graptolithus (Diplograptus) pristis White, Rep. Wheeler Surv., 4, 1875, p. 65, 

 pl. 4, fig. 2. 



