LISTS OF THE LOWER PALAZOZOIC FOSSILS. 
Das Eithin Ridge (continued). 
— Vespertilio (Sow.) 
Leptzena sericea (Sow.) 
Lingula tenuigranulata (M°Coy). 
Dee, 8. of, Llangollen. Wenlock shale. 
Graptolites Murchisoni (Beck.) 
Orthis parva (Pander). 
Leptzena minima (Sow.) 
Derby Arms, near Kendal, Westmoreland. Upper 
Ludlow. 
Cucullella ovata (Sow. Sp.) 
Orthoceras dimidiatum (Sow.) 
Dermydd Fawr, under Craig Bronbanog, Denbighshire. 
Bala Group. 
Ceratiocaris umbonata (Salt. Sp.) 
Orthis parva (Pander). 
Cycloceras annulatum (Sow. Sp.) 
Dinas Bran, Llangollen, Denbighshire. Lower Lud- 
low and Wenlock shale. 
Spongarium Edwardsi ( Murch.) 
Serpulites dispar (Salt.) 
Hemithyris navicula (Sow. Sp.) 
— nucula (Sow. Sp.) 
Orthis lunata (Sow.) 
Ambonychia acuticostata (M°Coy). 
Cucullella coarctata (Phill. Sp.) 
Nucula levata (Hall). 
Theca Forbes (Sharp). 
Holopella gracilior (M°Coy). 
Orthoceras laqueatum (Hall). 
— tenuicinctum (Portk.) 
Cycloceras tracheale (Sow. Sp.) 
Dinas Mowddwy, Merionethshire. Upper Bala. 
Trinucleus gibbifrons (M°Coy). 
— radiatus (Murch.) 
Orthis parva (Pander). 
Strophomena Spiriferoides (M°Coy). 
Bellerophon bilobatus (Sow. ) 
Docker Park, Kendal. Upper Ludlow. 
Protaster Sedgwicki (Forb.) 
Dol Fan, Rhayadr, S. Wales. Upper Bala. 
Euomphalus tricinctus (M°Coy). 
359 
Dolydd Ceiriog Waterfall, E. of the Berwyn Mountains. 
Upper Bala. 
Trinucleus gibbifrons (M°Coy). 
Orthis testudinaria (Dal.) 
Clidophorus oyalis (M°Coy). 
Bellerophon bilobatus (Sow.) 
— carinatus (Sow.) 
— ‘expansus (Sow.) 
Downton Castle, near Ludlow, Shropshire. Ludlow 
Group. 
Hemithyris nucula (Sow. Sp.) 
Orthis lunata (Sow.) 
Chonetes lata (V. Buch Sp.) 
Drummuck, Ayrshire. Upper Bala. 
¢ Calymene Blumenbachi (Brong.) 
Dry ridge, near Horton. Upper Bala (Coniston. flag). 
Favosites erassa (M°Coy). 
Stenopora fibrosa (Gold. Sp.) 
Orthoceras primeevum (Forb. Sp.) 
— subundulatum (Portk.) 
Dudley, Staffordshire. Wenlock limestone. 
Palzeopora expatiata (Lonsd. Sp.) 
Favosites aspera (d’Orb.) 
— ‘Gothlandica (Linn. Sp.) 
Ceenites intertextus (Eichw.) 
— strigatus (M°Coy). 
Stenopora fibrosa (Gold. Sp.) 
— granulosa (Gold. Sp.) 
Syringopora bifureata (Lonsd.) 
Caninia turbinata (Linn, Sp.) 
Strephodes pseudo-ceratites (M°Coy). 
— trochiformis (M‘Coy). 
Acervularia ananas (Linn. Sp.) 
Glauconome disticha (Gold.) 
Fenestella patula (M°Coy). 
— rigidula (M°Coy). 
Taxocrinus tuberculatus (Mill. Sp.) 
Marsupiocrinus ccelatus (Phill) 
Crotalocrinus rugosus (Mill. Sp.) 
Periechocrinus moniliformis (Mill. Sp.) 
Euealyptocrinus decorus (Phill. Sp.) 
— polydactylus (M*Coy). 
Cornulites serpularis (Schlot.) 
Tentaculites ornatus (Sow.) 
