58 TRILOBITA. 



Remopleurides longicostatus, Portlock, 1843. Caradoc, Bala, 



Tyrone, Waterford, and Kildare. 

 Remopleurides longicostahis, Portlock, 1843, Geol. Rep. Tyrone, p. 257, pi. i. 

 fig. 0; ISalter, 1853, Geol. Surv. Decade vii. ; Etheridge, Morris, and Jones, 

 1807, Appen. Murch. Sil. p. 521. 

 R. longicapitatus, Portlock, 1843, Rep. Geol. Tyrone, p. 257, pi. i. fig. 6. 



Remopleurides obtusus, Salter, 1853. Lower Sili;rian, Desertcreat, 



Tyrone. 

 Remophnrirks obtusus, Salter, 1853, Geol. Surv. Decade vii. ; Etheridge, 

 Morris, and Jones, 1867, Appen. Murch. Sil. p. 521. 



Remopleurides platyceps, M'Coy, 1846. Lower Silurian, Enniscorthy, 



Wexford. 

 Remopleurides jilahjceps, M'Coy, 1846, Synop. Sil. Foss. Ireland, p. 44; Salter, 

 1853, Geol. Surv. Decade vii. p. 9 ; Etheridge, Morris, and Jones, 1867, 

 Appen. Murch. Sil. p. 521. 



Remopleurides radians, Barrande,1846. Lower Silurian, Rhiwlas ; Bala. 



Amphitryon Murclnsoni, Corda, 1847, Prodr. hohm. Tril. t. vi. fig. 58. 

 Caphyra radians, Barrande, 1853, Syst. Sil. Boheme, pi. xliii. figs. 33-39. 

 Remopleurides radiatts, Salter, 1853, Geol. Surv. Decade vii. ; Salter & H. 



Woodw. 1865, Gat. & Chart Foss. Crust, p. 12, fig. 41 ; Etheridge, Morris, 



and Jones, 1867, Appen. Murch. Sil. p. 521 . 



SPH^REXOCHUS, Beyrich, 1845. 



Calymene, Hisinger, 1840, Leth. Suec. 2nd Supp. 



Spharexochus, Beyrich, 1845, Ueber einige bohm. Tril. p. 21 ; M'Coy, 

 1846, Syn. Sil. Foss. Ireland ; Corda, 1847, Prodrom eiuer Mon. bohm. 

 Tril. ; Salter, 1853, Decade vii. Geol. Surv. 

 Distribution. Cambrian & Silurian. 



Sphaerexochus Boops, Salter, 1864. Caradoc Slate, Haverfordwest 



and Applethwaite, Westmoreland. 

 Ceraurus davifrons, M'Coy, 1851, Synopsis Pal. Foss. Woodw. Mus. pi. i. F. 



fig. 12. 

 Sphcere.rochus loops, Salter, 1864, Mon. Pal. Soc. pt. 1, p. 79, pi. vi. figs. 27, 

 28 ; id. 1873, Cat. Camb. & Sil. Foss. p. 50 & woodcut. 



Sphaerexochus juvenis, Salter, 1848. Llandeilo Flags, N. and S. Wales, 



Haverfordwest, Sholes Hook. 

 Cheiriirus ylobosus, Barrande, 1846, Supp. p. 5. 



Spharexochus jtivenis, Salter, 1848, Mem. Geol. Surv. vol. ii. pt. 1, p. 344, 

 pi. vii. figs, 1, 2, 3. 



Sphserexochus mirus, Beyrich, 1845. Caradoc Eocks, Ireland; 



Woolhope Limestone, Malvern ; Wenlock Shale, p 

 Dudley and Malvern. 



Calymene davifrons, Hisinger, 1840, Leth. Suec. 2nd Supp. t. xxxvii. fig. 1. 

 Sphcerexochvs mirus, Bevrich, 1845, Ueber einige bohm. Tril. p. 21 ; Corda, 



1847, Prodom einer Mon. bohm. Tril. fig. 72 ; Barrande, 1853, Syst. Sil. 



de Boheme, vol. i. pi. Ixiii. figs. 11, 18; Salter, 1853, Geol. Surv. Decade 



vii. pi. iii.; Salter, 1864, Mon. Pal. Soc. pt. 1, p. 76, pi. vii. figa. 1-6; 



Salter, 1873, Cat. Camb. & Sil. Foss. p. 131. 

 S. cahnis, M'Coy, 1846, Syn. Sil. Foss. Ireland, pi. iv. fig. 10. i 



