348 BRITISH PAL/EOZOIC FOSSILS. 
Ee epee er narras) ect proc: ote ee 
above. Geological Group. abovel Geological Group. 
TROCHUS (continued). LOXONEMA. 
296 |— constrictus (M°Coy). 302 |— elegans (M°Coy). 
Upper Bala, 28—78. Lower Ludlow, 136. 
296 |— helicites (Sow.) HOLOPELLA. 
pace Muley. e232; 303. |— cancellata (Sow. Sp.) 
Upper Bala, 141—182. Upper Ludlons 129. 
297 |— Mooret (M°Coy). 303 |— conica (Sow. Sp.) 
Upper Bala, 182. Upper Ludlow, 236. 
303 |— gracilior (M °Coy). 
EUOMPHALUS. Lower Ludlow, (84). 
297 |— centrifugus (Wahl. Sp.) Wenlock shale, (84). 
Lower Ludlow, 136. 303 |— gregaria (Sow. Sp.) 
298 |— discors (Sow.) - Upper Ludlow, 17—119 
Wenlock limestone, 262. Ludlow Group, 259. 
298 |— funatus (Sow.) Caradoe sandstone, 209. 
Wenlock limestone, 262—265. 304 |— intermedia (M*Coy). 
Wenlock grit and Caradoc sandstone, Upper Ludlow, 117. 
172. 304 |— monile (M°Coy). 
298 |— lyratus (M°Coy). Upper Bala, 230. 
Upper Bala, 153. 304 | — obsoleta (Sow. Sp.) 
298 |— rugosus (Sow.) Upper Ludlow, 119. 
Upper Ludlow, 163. 304 |— tenwicincta (M°Coy). 
Wenlock limestone, 135—265— Upper Bala, 182. 
262. LITORINA. 
299 |— sculptus (Sow.) 305 |— corallii (Sow. Sp.) 
Wenlock limestone, 262. Upper Ludlow, 18. 
299 |— tricinctus (M°Coy). 305 |— octavia (D°Orb. Sp.) 
Upper Bala, 87—182. Upper Ludlow, 117—265—31. 
299 |— triporcatus (M°Coy). 306 |— undifera (M°Coy). 
Upper Bala, 54—107. Upper Ludlow, 181. 
MACLUREIA. BELLEROPHON. 
300 |— macromphala (M*Coy). 808 |— dilobatus (Sow.) 
Upper Bala, 68. Caradoc shale, 52. 
300 |— magna (Leseur). Caradoc sandstone, 120. 
Lower Bala:-181—8. Upper Bala, 85—270—88—74—1 54. 
Bala Group, 244. 
ECCYLIOMPHALUS. 309 |— carinatus (Sow.) 
301 |— Scoticus (M°Coy). Upper Ludlow, 236. 
Upper Bala, 182. Upper Bala, 88. 
Lower Bala, 131. 309 |— dilatatus (Sow.) 
Upper Bala, 182. 
NATICOPSIS. 309 |— expansus (Sow.) 
301 |— glaucinoides (Sow. Sp.) Upper Ludlow, 18—119—163. 
Upper Ludlow, 17—18. 
Upper Bala, 88. 
