PROLECANITES COMPRESSUS. 203 



1850. Nautilus compeessus,^. (VOrhujny. Prod, de Pak'ont. sti-atigi'.,vol. i, p. 110. 

 1852. Ammonites Henslowi, C. G. Giehel. Fauna der Vorwelt, vol. iii, p. 4.51. 



— Nautilus compressus, C. G. Giehel. Ibid., p. 178. 



1854. Goniatites compressus, J. Morris. Cat. Bvit. Foss., 2nd cd., p. 303. 



— Nautilus (Discites) compressus, /. Morrix. IMd., p. 308. 



1855. Aganides Henslowi, F. M'Cay. Brit. Pal. Foss., p. 564. 



1881. Goniatites Henslowi, C. litirri>i!>. "El niarmol amigdaloide de los Piri- 



ueos," Boletin de la Comision <lel 

 Mapa geologico de Espafia, vol. viii, 

 1881, p. 9, pi. c, figs. 3 a— r. 



1882. Peolecanites Henslowi, E. von Mojeisovics. Abhaudl. der Kais.-Kiin. 



geol. Eeiclisaust., vol. x, p. 199. 

 1884. — — K. A. von ZitteJ. Handb. d. Palaeont., vol. ii, 



p. 421. 



— " Ammrivile.') Hcimlowi, L. von Biicli," E. Biyrich. Zeitscbr. Deutscli. geol. 



GeselL, vol. xxxvi, p. 210. 



1888. Goniatites Henslowi, B. Elheridge. Brit. Foss., vol. i. Palaeozoic, p. 311. 



— Discites compressus, R. Etheridge. Ibid., vol. i, Palseozoie, p. 310. 



1889. Peolecanites Henslowi, E. Hohapfel. Palseont. Abhaudl., Dames imd 



Kayser, vol. v, i, p. 42, pi. iii, 

 fig. 14 ; pi. iv, figs. 2, 4, 7. 



1891. Discites compeessus (pars), A. H. Foord. Cat. Foss. Ceph. British 



Museum, pt. 2, p. 91. 



1892. Goniatites (Peolecanites) Henslowi, J. Seunes. Comptes Eendus, 



vol. exv, p. 681. 



1894. Peolecanites compressus, A. H. Foord and G. C. Crick. Geol. Mag. (4), 



vol. i, p. 11, pi. i. 



1895. — — G, C. Crick. Trans. Manchester Geol. Soc, 



vol. xxiii, pt. 3, p. 83 ; woodcut, p. 86. 



— — liEiisi.ov!i, K. A. von Zittel. Gnmdziige der Palaeont., p. 400. 

 1897. — COMPEESSUS, A. H. Foord and G. C. Crick. Cat. Foss. Ceph. 



Brit. Mus., pt. 2, p. 252, fig. 121. 



1901. — — Whe.elton Hind and J. A. Howe. Quart. Journ. 



Geol. Soc, vol. Ivii, p. 349, etc. 



1902. — — WheeUoH Hind. Brit. Assoc. Adv. Sci., Glas- 



gow, 1901, p. 296 : " Life-zones in 

 the Carboniferous Eocks." 



Description . — " Shell discoidal, compressed, evolute, Avidely iiiul)i]icnted ; greatest 

 thickness at about the middle of the lateral area, about one-fonrth of the diameter of 

 the shell. Whorls seven or eight; inclusion almost nil; umbilicus shallow, al)out 

 two-fifths of the diameter of the shell in width. Whorl subtrapezoidal in section, 

 higher than wide ; scarcely indented by the preceding whorl ; ])eriphery flattened, 

 feebly convex in the middle, but slightly concave near each margin, with prominent 

 suljangular margins ; sides flattened, feebly convex, becoming more inflated on the 

 body-chamber; inner area fairly well defined, slightly convex, sloping towards the 



■■'A) 



