50 TRILOBITA. 



Rocks, fasc. ii. Append, iii. pi. i.ff. figs. 17-19; id. 1853, Decade vii. Mem. 

 Geol. Surv. art. 1, p. 9 ; id. 1859J Siliu-ia, 2nd edit. p. 75, foss. 13. fig. 2 ; 

 id. 1864, Mon. Pal. Soe. pt. 1, p. 28, pi. i. figs. 36-38 ; id. 1867, Siluria, 

 4tli edit. p. 69, foss. 14. fig. 3 ; id. 1873, Cat. Camb. & Sil. Foss. p. 52. 

 rortlockia apmilata, M'Coy, 1851, ib. fasc. i. p. 162. 



Phacops (Chasmops) Bailyi, sp. n., Salter, 1864. Caradoc Slates of 



Tramore, co. Waterford. 

 Phacops {Chasmops) JBailyi, sp. n., Salter, 1864, Mon. Pal. Soe. pt. 1, p. 44, 

 pi. vii. figs. 21-24. 



Phacops (Acaste) Brongniarti, Portlock, 1843. Caradoc ; 



Tyrone, &c. in Ireland ; Llanfyllin, &c. in N. Wales. 

 Phacops Brongniarti, Portlock, 1843, cJ ?, Geol. Rep. pi. ii. fig. 8. 

 P. Murchisoni, ib. fig. 9. 

 P. Dalmani, ib. fig. 7. 



P. Brongniarti and P. Dalmani, Salter, 1853, Decade vii. Geol. Surv. art. 1, 

 p. 10; id. 1864, Mon. Pal. Soe. pt. 1, p. 34, pi. i. figs. 20-26. 



Phacops (Odontochile) caudatus, Briinnich, 1871. Wenlock Limestone, 

 Dudley ; Lower Ludlow, Ledbury Tunnel, Ludlow Tunnel. 



Trihhis caudatus, Briin. 1781, Kifibenb. Sellsk. Slaifter, Nye Samml. vol. i. 



p. 392. •• ' ^ 



Asaphtcs caudatus, Brong. 1822 ; Dalman, 1826 ; Green, 1832 ; Buckland, 1836 ; 



Murch. 1837 ; and Milne-Edw. 1840. 

 Phacops caudatus, Emmrich, 1845; Goldfuss, 1843; Burm. 1846; Salter, 



1849, Decade ii. Geol. Surv. pi. i. figs. 1-12 & 15. 

 Odontochile caudatus, M'Coy, 1851, Synops. Pal. Foss. Woodw. Mus. p. 160, 



pi. iii. figs. 4-17. 



Phacops (Odontochile) caudatus, Salter, 1864. May-Hill Sandstone, 



Ireland ; Woolhope Limestone, Malvern and Denbighshire 



Grits, N. Wales ; Wenlock Limestone, Dudley ; Upper and 



Lower Ludlow, Ledbury Tunnel. 



Phacops (Odontochile) caudatus, var. a. vulgaris, Salter, 1864, Mon. Pal. Soe. 



pt. 1, p. 51, pi. iii. figs. 4-17. 

 P. tubercidato-caudatus, Murcli. 1837, Sil. Syst. pi. vii. fig. 8 6 ; id. 1839, Siluria, 

 2nd edit. pi. xviii. fig. 1 ; var. /3, Salter, 1864, Mon. Pal. Soe. pt. 1, p. 53, 

 pi. iv. fig. 1. 

 P. caudattis, Salter, var. y. nexilis, Mon. Pal. Soe. pt. 1, p. 54, pi. iv. figs. 3-5 ; 

 var. b. aculeatus, ib. p. 54, pi. iii. fig. 18. 



Phacops (Odontochile) caudatus, var. corrugatus, Salter, 1873. 



Lower Wenlock Group, Littlehope. 



Odontochile caudatus, M'Coy, 1851, Synops. Pal. Foss. p. 100, pi. iii. 

 Phacops (0.) caudatus, var. corrugatus, Salter, 1873, Cat. Camb. & Sil. Foss. 

 p. 93. 



Phacops (Chasmops) conophthalmus, Boeck?, 1838. Caradoc Slates 



of Llansainttfraid, Glyn Ceriog, N. Wales, and Acton Scott, 

 Shropshire. ! 



Tnlohites conicophthahnus, Boeck, 1838, Gfea Norvegica, 1, 4. ' 



Phacops conicophthahnus, Finimrich, 1845, Dissert. 2l. I 



Cahpnene Odini, Eichwald, Sil. Syst. Esthland ; De Verneuil, Geol. Russia, 

 t. xxvii. fig. 8. _ I 



Phacops sclerops, Burmeister, 1846, Org. Trilob. 2nd edit. tab. iv. fig. 5. 

 P. conophthalmus, Burm. ib. p. 91 ; Angelin, 1852, Pal. Suec. t. vii. figs. 5, 6 



