GLYPHIOCERAS (SPHENOCERAS) SPILERICUM. 1-55 



1848. Goniatites sph#:ricus, II. G. Bronn. G-esch. d. Natur, Bd. iii, p. 544. 

 1850. Aganides sph^ricus (pars), A. d'Orbigny. Prod, de Pah'ont, stratigr., vol. i, 



p. 15. 

 1852. Ammonites sph^ericus (pars), C. G. Giebel. Fauna derVorwelt, vol. iii, p. 471. 

 Goniatites sph^ericus, F. A. Quenstcdt. Handb. d. Petrefact., p. 351, 



pi. xxvi, fig. 25. 



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



1855. Aganides sph^ericus, F. M'Coy. Brit. Pal. Foss., p. 566. 



1855-57. Goniatites spii^ricus, /. Kelly. Journ. Geol. Soc. Dublin, vol. vii, p. 7. 

 1860. E. d'Fiichwald. Lethsea Rossica, vol. i, p. 1322. 



1862. T. Wardle. In J. Sleigh's History of Ancient Leek, 



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

 1867. II.Trautschold. Bull. Soc. Imp. Nat. Moscou, vol. xl, 



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



1875. W. II . Baity. Fig. Charact, Brit, Foss., p. 117, 



pi. xl, figs. 9 a, b. 



1876. J. Armstrong, J. Young, and B. Robertson. Cat. 



Western Scottish Foss., p. 58. 



1878. G. A. Bebour. Geology of Northumberland, p. 68. 



1880. (pars), B. G. de Koninch. Faune Calc. Carb. Bel- 



gique (Ann. Mus. Roy. d'Hist. Nat. Belgique, st'r. 



Paluont., torn, v.), pt. 2, p. 97, pi. xlvii, figs. 3 — 5. 



1883. B. G. de Koninch. Bull. Mus. Roy. d'Hist. Nat. 



Belg., torn, ii, p. 263. 

 G-ltphioceras spiiyERicuM, A. Hyatt. Genera of Fossil Cephalopods ; 



Proceed. Boston Soc. Nat. Hist., 

 vol. xxii, p. 329. 

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

 1885. Goniatites sph^ricds, F. A. Quenstedt. Handb. d. Petrefact., 3rd ed., 



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

 G. H. Morton. Proceed. Liverpool Geol. Soc, 

 vol. iv, p. 316 : " Carboniferous Lime- 

 stone and Cefn-y-i'nlw Sandstone of 

 Flintshire." 



1887. B. B. Mallada. Mem. Com. del Mapa Geologico 



de Espafia, vol. i, pt. 2, p. 664, 

 pi. iii, figs. 1, 2. 



1888. R. Etheridge. Brit, Foss., vol. i, Pakcozoic, p. 312. 



1889. Glyphioceras sph^eicttm, E. Holzapfel. Pakeont, Abhandl., Dames und 



Kayser, Bd. v, 1, p. 26. 



1890. G. Stcinmann und B. Bbderlein. Elemente der 



Palaeontologie, pt, 2, p. 393. 



1891. Goniatites (Glyphioceras) sph^ricus, H. Credner. Elemente der 



Geologie, p. 459, fig. 277. 

 L893. Gltphiocebas sph^ericum, A. Hyatt. Carboniferous Cephalopods, Second 



Paper. Geological Survey of 

 Texas, Fourth Annual Report, 

 1892, pp. 471,472. 



24 



