BIBLIOGRAPHIC LIST OP GENERA AND SPECIES. 567 



Grammysia neglecta Hall and Whitfield. See Cuneamya negleota. 



Grammysia pembrokensis Williama. 



Grammysia pembrokensis Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 344, pi. 31, 



fig. 2. 

 Silurian (Pembroke): Pembroke, Washington County, Maine. 

 Holotype.—Q&i. No. 58968, U.S.N.M. 



Grammysia remota Billings. 



Grammysia remota Billings, Pal. Foss., Geol. Surv. Canada, 2, pt. 50, 1874, p. 139, 



pi. 9, fig. 2. 

 Silurian: Arisaig, Nova Scotia. 



Grammysia rustica Billings. 



Grammysia rustica Billings, Pal. Foss., Geol. Surv. Canada, 2, pt. 1, 1874, p. 139, 



pi. 9, fig. 3. 

 Silurian (Stonehouse) : Arisaig, Nova Scotia. 



Grammysia triangulata (Salter). 



Orthonota triangulata Salter, Mem. Geol. Surv. Great Britain, 1848, 2, pt. 1, 



Pal. app., p. 361, pi. 18, fig. 7. 

 Grammysia cingulata var. triangulata McCoy, British Pal. Foss., 1855, p. 280, pi. 



Ik, fig. 28. 

 Grammysia triangulata Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 345, pi. 31, 



fig. 17. 

 Silurian: Great Britain; Long Cove, Washington County, Maine (Pembroke). 

 Plesiotype.—CaX. No. 58970, U.S.N.M. 



Grammysia? triangulata Holtedahl. See Grammysia arctica. 



GRAPTODICTYA Ulrich. Genotype: Ptilodictya perelegans Ulrich. 



Graptodictya Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, pp. 151, 165. — 

 MHler, N. A. Geol. Pal., 1889, p. 307.— Ulrich, Geol. Surv. Illinois, 8, 1890, 

 p. 393.— Pocta, Syst. Sil. Centre Boheme, 8, pt. 1, 1894, p. 14.— Simpson, 14th 

 Ann. Rep. New York State Geol. for 1894, 1897, p. 541.— Nickles and Bassler, 

 Bull. U. S. Geol. Surv., 173, 1900, p. 46.— Cumings, 32d Ann. Rep. Dep. Geol. 

 Nat. Res. Indiana, 1908, p. 747.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, 

 p. 121. 



Graptodictya nitida Ulrich. See Graptodictya perelegans. 



Graptodictya perelegans (Ulrich). 



Ptilodictya perelegans Ulrich, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 94, 



pi. 4, figs. 16, 16a. 

 Graptodictya perelegans Ulrich, ibid., 5, 1882, p. 165, pi. 8, fig. 5. — Bassler, 



Bull. U. S. Nat. Mus., 77, 1911, p. 122, fig., p. 121.— Nickles and Bassler, Bull. 



U. S. Geol. Surv., 173, 1900, p. 280.— Cumings, 32d Ann. Rep. Dep. Geol. 



Nat. Res. Indiana, 1908, p. 836, pi. 29, fig. 8. 

 Graptodictya nitida Ulrich, Jour. Cincinnati Soc. Nat. Hist, 5, p. 166, pi. 7, figs. 



8, 8a. 

 Richmond (Waynosvillo, Liberty): Clarkesville, etc., Ohio; Indiana. 

 Eolotypes.— Cat. Nos. 43274, 43661, U.S.N.M. 



Graptodictya proaya (Eichwald). 



Gorgonia proavus Eichwald, Urwelt Russlands, 2, 1840, p. 44, pi. 1, fig. 5. 

 Coscinium proavus Eichwald, Leth. Rossica, 1, I860, p. 398. 

 Coscinium proavium Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 158, 

 fig. 122. 



