22 TRILOBITA. . ^ 



Agnostus princeps, Salter, 1864. Upper Lingula-Flags, Portmadoc, 



North Wales, Malvern, &c. 

 Agnostus pisifonnis, Salter, in Siluria, pp. 45, 53, Foss. 4 & 9. 

 A. exsciilptus, Angelin, Pal. Suec. t. 6. f. 8 ; Decades Geol. Surv. no. xi. pi. i. 



figs. 1-5. 

 A. princeps, Salter, 1864, Quart. Journ. Geol. Soc. vol. xs. p. 237, pi. xiii. fig. 8 ; 

 ib. 1866, Mem. Geol. Surv. vol. iii. p. 296, pi. iv. figs. 2-11, pi. v. fig. 1. 



Agnostus trinodus, Salter, 1864. Caradoc : Haverfordwest, ]N^. Wales, 



Ireland, Ayrshire, and Shropshire, 

 Trinodus agnostiformis, M'Coy, 1846, Sil. Foss. Ii'el. pi. iv. fig. 3 ; Pal. Foss. 



Woodw. Mus. t. 1 E. fig. id. 

 T. tardus, M'Coy, Pal. Foss. Woodw. Mus. t. 1 E. fig. 10. _ 

 Acpiostus trinodus, Salter, 18G4, Decades Geol. Surv. no. xi. pi. 1. figs. 8-10 ; 



"id. 1866, Mem. Geol. Surv. vol. iii. p. 297, pi. xix^ fig. 8. 

 Agnostus jS. convexus, Salter, 1848, Mem. Geol. Surv. vol. ii. pi. 8. figs. 12, 13. 



Agnostus trisectus, Salter, 1864. Black Shale, Lingula-Flags, 



Rhiw-felyn, N. AVales. 

 Agnostus trisectus, Salter, 1864, Geol. Surv. Decade xi. pi. 1. fig. 10 ; Belt, 

 1868, Geol. Mag. vol. v. p. 11. 



Agnostus scarabseoides, Salter, 1865. Menevian Group, St. Davids. 



Agnostus scarahceoides, Salter, 1865, Brit. Assoc. Eeport ; Hicks, 1872, Quart. 

 Journ. Geol. Soc. vol. xxviii. p. 175, pi. v, fig. 8. 



Agnostus scutalis, Salter, 1865. Menevian Group, St. Davids, and 



near Maentwrog and DolgeUy. 

 Agnostus scutalis, Salter, 1865, Brit. Assoc. Report, p. 285 ; Hicks, 1872, 

 Quart. Journ. Geol. Soc. vol. xxviii. p. 175, pi. v. figs. 9-14. 



AMPHION, Pander, 1830. 



Amphion, Pander, 1830, Beitrage zur Geognos. des Russisch. ; Portlock, 

 1840, Geol. Report of Tyrone ; Salter, 1864, Mon. Pal. Soc. p. 80. 



Distribution. Lower Siliuian. 



AmpMon benevolens, Salter, 1864. Caradoc Slate, 



Newtown, Waterford. 

 AinpJiion benevohns, Salter, 1864, Mon. Pal. Soc. pt. 1, pi. vi. fig. 31. 



Amphion pauper, Salter, 1864. Caradoc Rocks, Tramore. 



Amphion pauper, Salter, 1864, Mon. Pal. Soc. pt. 1, pi. vi. fig. 32. 



Amphion pseudo-articulatus, Portlock, 1840. Caradoc Slate, 



Tramore, Waterford. 

 Amphion jjseudo-articulatus, Portlock, 1840, Geol. Report Londonderry and 

 Tvi-one, pi. iii. fig. 5 ; Salter, 1859, Siluria, 2nd edit. p. 637 ; 1864, Mon. 

 Pal. Soc. pt. 1, pi. vi. figs. 29, 30. 



