48 TRILOBITA. 



O. spinulosus?, Phill. 1848, Mem. Geol. Surv. vol. ii. pt. 1, pp. 55 & 239. 

 O. {Peltura) scarabtsoides, 1873, Cat. Camb. & Sil. Foss. p. 11, 



Olenus scarabaBoides, var. obesa, Salter, 1865, Decade xi. Geol. Surv. 

 p. 5, pi, viii, fig. 4. 



Olenus (Parabolina) serratus, Salter, 1865, Upper Lingula-Flags, 



Carreg-wen, N, Wales. 

 Olenus {Parabolina) serratus, Salter, 1865, Decade xi. Geol. Surv. p. 4, pi. viii. 

 fig. 5 ; id. 1866, Mem. Geol. Surv. vol. iii. Append, p. 301, pi. v. figs. 6, 7. 



Olenus, sp., Salter, 1866. Upper Lingula-Flags, Carreg-wen, 



Portmadoc. 

 Olenus, sp., Salter, 1866, Mem. Geol. Surv.. vol. iii. p. 302, pi. v. figs. 10, 11. 



Olenus (Parabolina) spinulosus, Wahl. 1822, Black Shale, White-leaved 



Oak, Malvern, Dolgelly, &c. 

 Parado.n'(lex spinulosus, Brong. 1822, Crust. Foss. pi. iv. fig. 2. 

 Olenus spiuulnms, Dalman, Palasad. pi. vi. fig. 4; Phillips & Salter, 1848, 



Mem. Geol. Sui-v. vol. ii. pt. 1, p. 55, fig-. 3, and p. 347, Append. 

 0. {Parabolina) spinulosus, Salter, 1873, Cat. Camb. & Sil. Foss. p. 11. 



PALiEOPYGE, Salter, 1856, 



Palceopyqe, Salter, 1856, Quart. Journ. Geol. Soc. vol. xii. p. 249, pi. iv. 

 fig. 3." 

 Distribution. Cambrian. 



Palseopyge Ramsayi, Salter, 1856. Cambrian, Longmynd, Shropshire, 



Palaopyqe Ramsayi, Salter, 1856, Quart. Journ. Geol. Soc. vol. xii. p. 249, 

 pi. 4. iig. 3 ; Salter & H. Woodw. 1865, Cat. & Chart Foss. Crust, p. 12, 

 fig. 32 J Salter, 1866, Mem. Geol. Surv. iii. p. 244, 



PARADOXIDES, Brongniart, 1822, 



Paradoxides, Brong. 1822, Crust. Foss. 



Olenus, Dalm. 1827, Palsead. 73._ _ 



Paradoxides, Milne-Edw. Crust, iii. p. 321 ; Green, Silliman's Amer. Journ. 



Sci. & Arts, vol. xxv. p. 336; Burra. 1846, Organis. Trilob. p. 66; 



Angelin, Paljeont, Suecica ; Salter, 1859, Siluria, p. 45 ; Ilicks, 1871, 



Quart. Journ. Geol. Soc. vol. xxvii. p. 399. 

 Distribution. Cambrian. 



Paradoxides Aurora, Salter, 1865, Menevian Group, Porth-y-Rhaw, 



St. David's, 

 Paradoxides Aurora, Salter, 1865, Brit. Assoc. Report, p. 285 ; id. Quart. 

 Journ. Geol. Soc. 1868, vol. xxv. p. 54, pi. ii. figs. 9-12; id. Cat. Camb. & 

 Sil. Foss. 1873, p. 6. 



Paradoxides Davidis, Salter, 1863, Lower Lingula-Flags, Porth-y- 



Rhaw and Solva Harbour Gold Mines, Dolgelly, jST, Wales. 

 Paradoxides Davidis, Salter, 1863, Quart. Journ. Geol. Soc. vol. xix. p. 274, 

 woodcut ; id. 1864, ib. vol. xx. p. 234, pi. xiii. figs. 1-3 ; id. 1864, Decade xi. 

 Geol. Surv. pi. x. ; id. 1873, Cat. Camb. & Sil. Foss. p. 7, and woodcut. 



