SYSTEMATIC LIST OF LOWER PALAZOZOIC FOSSILS. 347 
whieh de-| Gomer and Specie, with ee localiierepetented by the | wniehde- | Gener and Species, with the loalites represented by the 
above. Geological Group. above. Geological Group. 
ARCA (continued). CAPULUS. 
283 |— primitiva (Phill.) ; 290 |— KHuomphaloides (M°Coy). 
Upper Ludlow, 18—117. Lower Ludlow, 136. 
283 | — subequalis (M°Coy). 290 |— Haliotis (Sow. Sp.) 
Upper Ludlow, 155. Wenlock limestone, 135. 
een See PLEUROTOMARIA. 
284 |— antiqua (Sow. Sp.) 
Upper Ludlow, 236. 290 | crear ey), 
Upper Bala, 63. Upper Ludlow, 23. 
234 |— coarctata (Phill. Sp.) 291 |— lenticularis (Sow. Sp.) 
Upper Ludlow, 18. Hewes Ludlow, 136. 
Lower Ludlow, (84). Upper Bala, 7. 
Wenlock shale, ($4). ma ee (Portk.) 
284 |— ovata (Sow. Sp.) Upper Bala, 54—13. 
Upper Ludlow, 28—18—155—119— Bala Group, 158. 
236—81. 292 |— undata (Sow.) 
NUCULA. Lower Ludlow, 136. 
285 |— Anglica (d’Orb.) MURCHISONIA. 
Upper Ludlow, 117—23. | 292 |— angustata (Hall). 
Upper Bala and Wenlock shale, 162. Lower Bala, 131. 
285 |— levata (Hall). 292 |— cancellatula (M°Coy). 
Lower Ludlow, (84). Upper Bala, 7—182. 
Wenlock shale, (84). 293 |— cingulata (His. Sp.) 
Caradoc sandstone, 209. Lower Ludlow, 136. 
Upper Bala, 63. 293 —— gyrogonia (M°Coy). 
Lower Bala, 174. Upper Bala, 270—146. 
NUCULITES. 293 |— Lloydi (Sow. Sp.) 
286 |— post-striatus (Emmons). 294. ee Ludlow; aor 
Caradoc sandstone, 110. gy Peciee Oo: 
TELLINITES Upper Bala, 7—171—182. 
By ae Upper Tremadoc slate, 251. 
2801) eas (MECoy) 294 | — simplex (M°Coy). 
Upper ud ae Upper Bala, 7—182. 
THECA. Bala Group, 105. 
287 |— Forbesii (Sharp). 294 |— torquata (M°Coy). 
Upper Ludlow, 139. Upper Ludlow, 234—18—236. 
Lower Ludlow, (84). 
Wenlock shale, mn Ae euny ra 
— crebristria (M°Coy). 
ON se ti Upper Bala, 103-170-7184. 
287 |— cancellata (Sandberger). 295 |— Williamsi (Sow. Sp.) 
Upper Ludlow, 18. ‘ Upper Bala, 170. 
Ludlow Group, 194—259. 
Upper Bala, 28. TROCHUS. 
288 |— subtilis (Salt.) 296 |— celatulus (M°Coy). 
Upper Ludlow, 23—18. 
Woolhope limestone, 193. 
ne Sg oe 
