TRILOBITA. 49 



Paradoxides Harknessi, Hicks, 1871. Lingula-Flags, Nun's Well, 



St. David's, Road between Solva and \\Tiitechurch. 



Paradoxides Harknessi, Ilicks, 1871, Quart. Journ. Geol. Soc. vol. xxvii. 



p. 390, pi. XV. figs. 9-11 ; id. 1873, Cat. Camb. & Sil. Foss. p. 2 ; id. 1875, 



Quart. Joui-n. Geol. Soc. vol. xxxi. p. 170. 



Paradoxides Hicksii, Salter, 1865. Lingula-Flags, Porth-y-llhaw, 



St. David's, near Dolgelly, N. Wales. 

 Paradoxides Forchhammeri, Angelin, Palfeont. Suecica, t. ii. ; Salter, 1859, 

 Siluria, 2nd edit. p. 45, foss. 5. tig. 2 ; id. 18G4, Decade xi. Geol. Surv. pi. x. 

 fig. 9. 

 P. Hicksii, Salter, 1804, Mem. Geol. Surv. p. 299, pi. iv. fig. 12 ; id. 18G.5, 

 Brit. Assoc. Rep. p. 285 ; id. 186G, Geol. Mag. vol. iii. p. 28 ; id. 1867, 

 Siluria, 4th edit. p. 44, foss. 6. fig. 2 ; H. Hicks, 1869, Quart. Journ. 

 Geol. Soc. vol. xxv. p. 5,5, pi. iii. figs. 1-10 ; Salter, 1873, Oat. Camb. & Sil. 

 Foss. p. 6. 



PHACOPS, Emmrich, 1845. 



Asaphus, Brong. 1822, Crust. Foss. ; Deslong. 1825, Trans. Soc. Linn, de 



Calvados, vol. ii. p. 298 ; Murcli. 1836, Sil. Syst. 

 Calymene, Steininger, 18.34, Mem. Geol. Soc. France, vol. i. ; Buckl. 1836, 



Bridge water Treatise ; Murch. 1837, Sil. Syst. ; Milne-Edw. 1840, Crust, iii. : 



Phillips, 1841, Pal. Foss. 

 Plenracnnthis, Milne-Edw. 1840, Crust, iii. p. 329. 

 Triniiclcm, Miinst. 1842. 



Acnstc, GolJf. |S4:<, Syst. Uebersicht der Trilob., Neues Jahrb. p. 563. 

 Dalmania, Salter, 1848, Mem. Geol. Surv. vol. ii. pt. 1. 

 Trimerocephalm, M'Coy, 1849, Ann. & Mag. Nat. Hist. vol. iv. p. 404. 

 Chasynops, jM'Cov, 1851, Pal. Foss. Portlockia, M'Coy, 1851, ib. Odonto- 



chile, M'Coy, 1851, ib. 

 Phacops, Emmrich, 1845, Neues Jahrb. ; Salter, 1848, Mem. Geol. Surv. 



vol. ii. pt. 1 ; Sandberger, 1850 ; M'Coy, 1851, Pal. Foss. ; Murch. 1859, 



Siluria, 2nd edit. 

 Subgenera : — 



1. Trimerocephalm, WCoY,\8A^. 4. CAfwwio^Js, M'Coy, 1849. 



2. Phacops, Emmrich, 1845. 5. Odontochile, Corda, 1847. 



3. Acaste, Goldfuss, 1843. 6. Cryphaus, Green, 1837. 

 Distribution. Cambrian, Silurian, and Devonian. 



Phacops (Acaste) alifrons, Salter, 1852. Caradoc Rocks, N. Wales ; 



Capel Garmon, near Llanrwst ; also in Montgomeryshire. 



Phacops alifrons, Salter, 1852, in Appendix to Sedgwick's Synops. Woodw. 

 Foss. fase. ii. tab. 1 g. figs. 12-14; id. 1853, in Decade \-ii. Geol. Surv. 

 art. 1, p. 10; id. 1864, Mon. Pal. Soc. pt. 1, p. 33, pi. i. figs. 31-34. 



Phacops (Chasmops) amphora, Salter, 1853. Caradoc Limestone of 



Grug, N. of Llandeilo, Carmarthenshire. 

 Phacops {Dalmania) amphora, Salter, 1853, Decade vii. Geol. Surv. art. 1, 



p. 12. 

 P. amphora, Salter, 1864, Mon. Pal. Soc. pt. 1, p. 42, pi. iv. fig. 16. 



Phacops (Acaste) apiculatus, Salter, 1852. Upper Llandeilo Flags, 



Treiorwcrth ; Caradoc Sandstone, Shropshire, N. Wales, 



and Westmoreland. 

 Phacops apiculatus, Salter, 1852, in Prof. Sedgwick's Synopsis Classific. Pal. 



I 



