TRILOBITA. 53 



Phacops (Odontochile) longicaudatus, Murch. 1837. Woolhope Lime- 

 stoue, Presteign ; Wenlock Shale, Malvern Tunnel and Dudley, 

 Shropshire and Monmouthshire, &c. ; Wenlock Limestone, 

 Malvern. 



Asaphus Imigicaudatm, Murch. 1837, Sil. Syst. pi. xiv. figs. 11-14; Milne- 



Edw. 1840, Crustaces, iii. p. 308. 

 Phacops longicaudatus, Emmi-ich, Goldfuss, &c. 1845, 1846. 

 P. miicronatus, Eurm. 1843, Org. Tril. t. iv. fig. 9. 



P. cai«hitti-i, ji. loiKjicaudatus, Salter, Decade ii. Gaol. Surv. pi. i. figs. 13, 14. 

 P. (Odoiitochile) lomjicuiulatns, Salter, 18(;4, Men. Pal. Soc. pt. 1, p. 55, 



pi. iii. tigs. 19-28; id. 1873, Cat. Camb. & Sil. Foss. p. 132. 



Phacops (Odontochile) longicaudatus, var. a. armiger, Salter, 1864, 

 Mon. Pal. Soc. pt. 1, p. 56, pi. ii. figs. 19-21. 



P. longicaudatus, var. ft. Grindrodianus, id. ib. p. 57, pi. iii. figs. 2-28. 



Phacops (Chasmops) macrura, Angelin, 1852. Caradoc Sandstones, 



Shropshire. 

 Asaphus Powisii, Murch. 1837, Sil. Syst. pi. xxiii. fig. 9. 

 Dalmannia affinis, Salter, 1848, Mem. Geol. Surv. vol. ii. pt. 1, pi. v. fig. 5. 

 Phacops triuwato-caudatus, var. fi. affi)iis, Salter, 1849, Decade ii. Geol. Surv. 



art. 1, p. 7. 

 Odontochile tnmcato-caudatm, M'Coy, 1851, Synops. Foss. Woodw. Mus. t. i. G. 



fig. 20 (21 ?). 

 Phacops macrura, Angelin, 1862, Palseont. Suecica, t. vii. figs. 3, 4; Salter, 



1864, Mon. Pal. Soc. pt. 1, p. 37, pi. iv. figs. 18-23. 



Phacops (Acaste) mimus, Salter, 1864. Llandeilo Flags, 



Great Peraver, Cornwall. 

 Phacops (Acaste) mimits, Salter, 1864, Mon. Pal. Soc. pt. 1, p. 29, pi. i. 

 fig. 35. 



Phacops (Odontochile) mucronatus, Brong. ?, 1822. Caradoc Slates, 



Pen-y-Rhiw, west of Eala. 

 Asaphus mucronatus, Brong. 1822, Crust, p. 24, t. iii. fig. 9 ; Dalman, 1826, 



Palsead. p. 236, t. ii. fig. ia,b. 

 Phacops mucronatm, Angelin, 1852, Palseont. Suecica, tab. vii. figs. 1, 2 ; 

 Salter, 1853, Decade vii. Geol. Sm'v. art. 1, p. 12 ; id. 1864, Mon. Pal. Soc. 

 pt. 1, p. 46, pi. iv. tigs. 11, 12. 



Phacops Musheni, Salter, 1864. "Wenlock Shale and Limestone, 



Malvern and Dudley. 

 Phacops Musheni, Salter, 1864, Mon. Pal. Soc. pt. 1, p. 23, pi. ii. tigs. 7-12. 



Phacops Nicholson!, Salter, 1866. Lower Silurian, Whiteside, 



Keswick. 



Phacops Nichokoni, Salter, 1860, Quart. Joum. Geol. Soc. vol. xxii. p. 486, 

 woodcut, figs, c, d. 



Phacops nudus, Salter, 1864, Wenlock or May-Hill Group, 



Cahirconree Mountain, Dingle. 

 Phacops iiudus, Salter, 1864, Mon. Pal. Soc. pt. 1, p. 22, pi. vi. figs. 19, 20. 



