202 CARBONIFEROUS CEPHALOPODA OF IRELAND. 



Marianum nor in G. circumjrticatile does this take place; in these the plications 

 encircling the umbilicus are not in any sense tubercular. 



Under the name Goniatites crenistria, W. H. BailyMias confounded together 

 at least three species from Foynes Island, including the one under description, and 

 some of his figures can only with difficulty be identified with the specimens they 

 are intended to represent. 



Localities. — Lisdoonvarna (No. K. 495, Geol. Surv. Coll.), "Cliffs of Moher " 

 (Nos. K. 4801 and 4802), county of Clare; Foynes Island (Nos. 824 C. and 842 C), 

 county of Limerick. 



Family- — Prolecanitidje. 

 Genus Prolkcanites, Mojsisovics, 1882 (emend. Hyatt, 1883). 



Prolecanites compressus, J. Sowerby, sp. Plate XLVIII, figs. 4 a — c, 5 a, b, 



0, 7, 8 a, b. 



1813. Ellipsolites compressus, J. Sowerby. Min. Conch., vol. i, p. 84, pi. 



xxxviii. 



1820. Ammonites Henslowi, /. Sowerby. Ibid., vol. iii, p. Ill, pi. eclxii. 



1821. In Henslow's " Observations to Dr. 



Berger's Account of the Isle of Man," 

 Trans. Geol. Soc, vol. v, pt. 2, p. 493. 



1822. Ammonellipsites compressus, J. Parkinson. Introd. Foss. Org. Eem., 



pp. 164 and 233. 

 1825. Ceratites Henslowi, de Haan. Monog. Amnion, et Gonial, p. 157. 



Planites compressus, de Haan. Ibid., p. 93. 

 1828. Nautilus compressus, /. Fleming. Hist. Brit. Anim., p. 231. 



Ammonites Henslowi, J. Fleming. Ibid., p. 240. 

 1832. L. von Buck. Phys. Abhandl. d. k. Akad. d. Wis- 



sensch. zu Berlin fiir 1830, p. 171, 

 pi. ii, fig. 1. 

 1836. Goniatites Henslowi, /. Phillips. Geology of Yorkshire, pt. 2, p. 236, 



pi. xx, fig. 39. 



1842. d'ArcMac and de Vcrneuil. Trans. Geol. Soc. (2), 



vol. vi, p. 329. 



1843. /. Morris. Cat. Brit, Foss., p. 179. 

 Nautilus compressus, J. Morris. Ibid., p. 182. 



1 84 ! . Goniatites discus, F. M'Coy. Synops. Carb. Foss. Ireland, p. 13, pi. ii, fig. 6. 

 L848. Henslowi, /. G. Gumming. Isle of Man, p. 127. 



H. G. Brown. Gesch. d. Natur, vol. iii, p. 542. 

 spurius (pars), H. G. Bronn. Ibid., vol. iii, p. 545. 

 1850. Aganides Henslowi, A. d'Orbigny. Prod, de Paluont. stratigr., vol. i, p. 115. 



1 ' Geol. Surv. Ireland,' Explan. Sheet 142 of the Maps, 1860, pp. 11—13, figs. 2 a—m. 



