TRILOBITA. 51 



Salter, 1853, Decade vii. Geol. Surv. art. 1, p. 7 ; id. 1864, Mon. Pal. Soc. 



pt. 1, p. 40, pi. iv. figs. 24, 25, and pi. vii. tig. 25. 

 P. felinus, Salter (MS.j, Burmeister, 1840, Org. Trilob. 2nd edit. Append, of 



species, p. 125. 

 Chasmops Odini, M'Coy, 1851, Synopsis Woodw. Mus. t. i. g. figs. 22, 23. 



Phacops cryptophthalmus, Emmrich, 1845. Upper Devonian, 



Newton Eushell. 



Phacops cryptophthalmus, Emmrich, 1845, Leonh. und Broun's Jahrbucli, 



pp. 27, 40, &:c. ; Sandberger, 1850, Verst. Rheinisch. Schichtensj-st. t. i. 



fig. 6 ; Roemer, 1854, Palaeoutographica, vol. iii. p. 14, pi. vi. ; Salter, 1864, 



Mon. Pal. Soc. pt. 1, p. 17, pi. i. tig. 8. 



Phacops (Acaste) Downingiae, Murch. 1837. May-HiU Kocks, 



Woolhope Limestone and Wenlock Shale, Malvern ; Wenlock 

 Limestone, Wren's Nest, Dudley, WaUsall ; Upper and Lovrer 

 Ludlovr Rocks, Whitcliff, Shropshire ; Denbighshire Grits, 

 Llanrwst, near Conway. 



Calymene nmcrophthahna, Brong. 1822, Crudt. Foss. pi. i. tig. 4; Buckland, 



18.36, Bridgew. Tr. pi. Lxiv. tig. 5. 

 C. Dotcmiif/icc, Murch. 1837, Sil. Syst, pi. xiv. fig. 3 ; Milne-Edw. 1840, 



Crust, iii. p. 324. 

 Asaphus subcaiulatus and A. Cawdori, Murch. 1837, pi. vii. figs. 9, 10. 

 Acasta Downingice, Goldfuss, 1843, Syst. Uebersicht der Trilob., Neues 



Jahrb. 503. 

 Phacops macrophthalma, Burm. 1843, Organis. der TrUob. 139, 140 ; id. 1846, 



Ray Society, p. 92. 

 Phacops Doimimgife, Emmr. 1845, Neues Jahrb. p. 40, pi. i. fig. 2, translated 



^m Taylor's Scientific Mem. 1845, vol. iv. pi. iv. tig. 2 ; Salter, 1848, Mem. 

 Geol. Surv. vol. ii. pt. 1, p. 336, pi. v. figs. 2-4, Decade vii. (1853) pi. i. ; 

 M'Coy, 1851, Syuop. Pal. Foss. Woodw. Mus. p. 160 ; Murch. 1859, Siluria, 

 2nd edit. pi. xviii. tigs. 2-5 ; Salter, 1864, Mou. Pal. Soc. pt. 1, p. 24, pi. xi. 

 figs. 17-36. 



Var. a. vulgaris, Salter, 1840, Mon. Pal. Soc. pt. 1, p. 20, pi. ii. 

 figs. 17-2.5. 



Var. /3. macrops, id. ib. p. 26, figs. 26-29. 



Var. y. inflatus, id. ib. p. 27, figs. 30-33. 

 1 Var. S. spinosus, id. ib. p. 27, woodcut, fig. 7. 

 I Var. e. constrictus, id. ib. p. 27, pL ii. figs. 13-16. 

 I Var. ^. cuaeatus, id. ib. p. 28, woodcut, fig. 8 ; id. 1873, Cat. Camb. & 

 I Sil. Foss. p. 93. 



Phacops granulatus, Miinster, 1852. Upper Devonian, Pctherwin, 



Cornwall. 



Calymene, sp., Sbv. 1840, Geol. Trans. 2nd ser. vol. v. pi. 54. tigs. 23, 24. 



C. granulata, Phillips, 1841, Pal. Foss. fig. 248 only; Miinst. 1842, Beitr. 



Heft 5, t. V. fig. 3. 

 C. IcBvis, id. ib. t. v. tig. 4. 



Portlockia granulata, M'Coy, 1851, Synopsis Woodw. Foss. p. 177. 

 Phacops granulata, Salter, 1804, Mon. Pal. Soc. pt. 1, p. 10, pi. i. tigs. 1-4. 



Phacops (Odoutochile) iinbricatulus, Angolin, 1852. May-Hill 



Sandstone (Upper Llandovery) of Nash Scar, Prcsteign. 

 Phacops imbn'catus, Angolin, 1852, Pabeont. Suec. t. vii. fig. 5 ; Salter, 1864, 

 Mon. Pal. Soc. pt. 1, p. 48. pi. iv. tig. 10. 



