26 TEIIOBITA. 



Asaphus (Basilicus ?) radiatus, Salter, 1866. Caradoc, Rhiwlas ; Bala, 

 BerwjTi Mountains and co. Louth, Ireland. 

 Ogygia rncliafa, Salter, 1846, App. to Ray edit, of Burm. Org. Tril. p. 125. 

 Isotehis {Basilicus) laticostatus, M'Coy, 18-j3, Pal. Foss. Woodw. Mus. pi. i. E. 



fio-. 18. 

 Asaphus radiatus, Salter, 18Gi>, App. Ramsay Geol. N. Wales, Mem. Geol. 



Surv. vol. iii. p. 311, pi. xxiii. fig. 7. 

 A. (^Basilicus) radiatus, Salter, 1806, Men. Pal. Soc. pt. 3, pi. xviii. figs. 1-5. 



Asaphus (Brachyaspis) rectifrons, Portlock, 1843. Llandeilo Flags (?), 



Eogang or Bugan, Knockdolian, Ayrshire. 

 Isotelus rectifrons, Portlock, 1843, Geol. Rep. p. 208, pi. ix. fig. \, a,b, and 

 pi. Tiii. figs. 2, 3, 7 ; Salter, 1864, Mem. Geol. Surv. Decade xi. sec. 3, 

 p. 4. 

 1. arcudttis, Portlock, 1843, ib. pi. ix. figs. 2, 3. 



/. {Brac/n/aspis) rectifrons, Salter, 1866, Mon. Pal. Soc. pt. 3, pi. xxv. 

 figs. 6-iO. 



Asaphus (Cryptonymus) scutalis, Salter, 1864. Caradoc, Tj-rone. 



Isotelus Icn-icpps, Portl. 1843, Geol. Report, p. 299, t. ix. fig. 4. 



A. {Cryptonymus) keviceps?, Salter, 1864, Decade xi. Geol Surv., described as 



A. ffigas, sec. 5, p. 4. 

 A. (C.) scutalis, Salter, 1866, Mon. Pal. Soc. pt. 3, pi. xxv. figs. 2, 3, 



Asaphus solvensis, Hicks, 1873. Lower Arenig Rocks, Tremenheere, 



near Solva. 

 Asaplms solvensis. Hicks, 1873, Cat. Camb. & Sil. Foss. p. 23. 



Asaphus (Isotelus), sp. indet., Salter, 1866. Llandeilo Flags (?), 



Bogang or Bugan, Knockdolian, Ayrshire. 

 Asaphtis (Isotelus), sp. iudet., Salter, 1866, Quart. Journ. Geol. Soc. vol. vii. 

 pi. viii. fig. 2 ; id. 1860, Mon. Pal. Soc. pt. 3, p. 168. 



Asaphus (Isotelus ?), sp. indet., Salter. Caradoc TVrac Limestone, 



Peeblesshire. 

 Asaphus (Isotelus), ST[)ec. indet., Salter, Quart. Journ. Geol. Soc. vol. iv. p. 205 ; 

 id. 1866, Mon. Pal. Soc. pt. 3, p. 168. 



Asaphus (Basilicus) tyrannus, Murch. 1837. Llandeilo Flags, 



N. & S. Wales, Shropshire, &c. 

 Asaphus txjranmis, Murch. 1837, Sil. Syst. pi. xxiv. fig. 4, pi. xxv. fig. 1 ; 

 Milne-Edw. 1840, Crust, vol. iii. p. 310 ; Salter, 1849 (1848), Decade ii. 

 Geol. Siu-v. pi. V. ; id. 1859, Siluria, 2nd edit. pi. i. fig. 6, pi. ii. fig. 1 ; 

 Salter (1866, ined.), App. Ramsay Geol. N. Wales, Mem. Geol. Surv. 

 vol. iii. p. 312, pi. xiii. figs. 1-6 ; id. 1866, Mon. Pal. Soc. pt. 3, pis. xxi. and 

 xxii. figs. 5-12. 

 Isotelus tyrannus, M'Coy, 1851, Synops. W^oodw. Pal. Foss. fasc. i. p. 171. 



BARRANDIA, MCoy, 1849. 



Barrandia, M'Coy, 1849, Ann. & Mag. Nat. Hist. 2nd ser. vol. iv. p. 409; 



Salter, 1866, Mon. Pal. Soc. pt. 3; Hicks, 1875, Quart. Jouru. Geol. Soc. 



vol. xxxi. p. 185. 

 Asaphus, Portlock, 1832, Geol. Rep. Tyrone, p. 293. 

 Oyyyici, Salter & Phillips, 1848, Mem.'Geol. Sui'v. vol. ii. pt. 1, p. 239. 

 Distribution. Lower Sihirian. 



