GLYPHIOCERAS (SPIIENOCERAS) SPHiERICUM. 155 



1848. GoNiATiTEs spHJEEicus, II. G. Bronii. Gcscli. d. Natur, Bd. iii, p. 644. 

 1850. AoANiDES sPH^iBicus (pars), A. d'Orhigny. Prod, de Pali'ont. strati<i;r., vol. i, 



p. 15. 

 1852. Ammonites sPH^Eicus (pars),C G. Giehel. FaimaderVorwelt.vol. iii, p. 471. 

 — GoNiATiTES sPHiEEicus, F. A. Qiienstedt. Handb. d. Petrcfact., p. 351, 



pi. xxvi, fig. 25. 



1854. — — /. Morris. Cat. Brit. Foss.. 2nd ed., p. 304. 



1855. AoANiDES spHjERICUS, F. M'Cny. Brit. Pal. Foss., p. 5G6. 



1855-57. GoNiATiTES sph.«:kicus, /. Kelly. Journ. Geol. Soc. Dulilin, vol. vii, p. 7. 

 18(50. — — E. cVEichwald. Letlioea Rossica, vol. i, p. 1322. 



1802. — — T. Wardle. In J. Sleigh's History of Ancient Leek, 



p. 281, pi. i, fig. 3. 

 18(57. — — H.Tranlschold. Bull. Soc. Imp. Nat. Moscou, vol. xl. 



No. 3, p. 44, pi. V, fig. 10. 

 1875. — — W. H. Baily. Fig. Cliaract. Brit. Foss., p. 117, 



pi. xl, figs. 9 (T, h. 

 1870. — — /. Armstronrj, J. Totmcj, and D. Bobertson. Cat. 



Western Scottish Foss., p. 58. 



1878. — — G. A. Lehour. Geology of Northumberland, p. G8. 



1880. — — (pars), L. G. de Koninclc. Faune Calc. Carb. Bel- 



gique (Ann. Mus. Eoy. d'Hist. Nat. Belgique, si'r. 



Pak'ont., torn, v.), pt. 2, p. 97, pi. xlvii, figs. 3 — 5. 



1883. — — L. G. de Koninck. BuU. Mus. Eoy. d'Hist. Nat. 



Belg., tom. ii, p. 263. 



— Glyphioceras spH.ff:KicuM, A. Hyatt. Genera of Fossil Cephalopods ; 



Proceed. Boston Soc. Nat. Hist., 

 vol. xxii, p. 329. 



— — oarhonarium (pars), A. Hyatt. Ibid., vol. xxii, p. 329. 

 1885. GoNiATiTES spH.«Ricus, F. A. Qiicnstcdt. Handb. d. Petref;ict., 3rd ed.. 



p. 538, pi. xlii, fig. 3. 



— — — G. H. Morton. Proceed. Livei-pool Geol. Soc, 



vol. iv, p. 31(5 : " Carboniferous Lime- 

 stone and Cefu-y-fedw Sandstone of 

 Flintshire." 



1887. — — D. L. Malhda. Mem. Com. del Mapa Geologico 



de Espana, vol. i, pt. 2, p. 6G4, 

 pi. iii, figs. 1, 2. 



1888. — — R. Etheridije. Brit. Foss., vol. i. Palaeozoic, p. 312. 



1889. Glyphioceba.s sphvericum, E. Hohapfcl. Palaeont. Abhandl., Dames und 



Kayser, Bd. v, 1, p. 20. 



1890. — — G. Steinmann und L. Boderlein. Elemonte der 



Palaeontologie, pt. 2, p. 393. 



1891. GONIATITES (Gltphioceras) sPH^RictJs, H. Credner. Element© der 



Geologic, p. 459, fig. 277. 

 1893. Glyphioceras spii^RiCTJM, yl. Jfya//. Carboniferous Cephalopods. Second 



Paper. Geological Survey of 

 Texas, Fourth Annual Report, 

 1892, pp. 471, 472. 



21. 



