356 
Cefn Goch, Glyn Ceiriog, Denbighshire. Upper Bala. 
Portlockia apiculata (Salt.) 
Orthis biloba (Linn. Sp.) 
Strophomena grandis (Sow. Sp.) 
— simulans (M°Coy). 
Cefn Grugos, W. of Llanfyllin, Montgomeryshire. 
Bala Group. 
Graptolites Ludensis (Murch.) 
Ceraurus clavifrons (Dal. Sp.) 
Leptzena tenuicincta (M°Coy). 
— tenuissimestriata (M°Coy). 
Cefn Hir Fynydd, near Llangynog. Bala Group. 
Ampyx parvulus (Forb.) 
Cefn Rhyddan, Llandovery, S, Wales. 
Spirifer percrassus (M°Coy). 
Leptzena quinquecostata (M°Coy). 
Upper Bala. 
Cefn y coed, Llangedwyn, Montgomeryshire. 
Bala. 
Favosites alveolaris (Gold.) 
Orthis elegantula (Dal.) 
— flabellulum (Sow.) 
— retrorsistria (M°Coy). 
Leptzena sericea (Sow.) 
Upper 
Ceiriog Waterfall, S. of Llangollen, N. Wales. Bala 
Group. 
Clidophorus ovalis (M*Coy). 
Cerrig Cregyn, Anglesea. Upper Bala. 
Orthis calligramma (Dal.) 
Cerrig y Druidion, Denbighshire (see Pen y Gaer). 
Lower Bala. 
Orthis Hirnantensis (M°Coy). 
Cheney Longville, Shropshire. Caradoc shale. 
Trinucleus Caractaci (Murch.) 
Odontochile longicaudata (Murch. Sp.) 
Calymene tuberculosa (Salt.) 
Lingula Lewisi (Sow.) 
Bellerophon bilobatus (Sow.) 
Cycloceras annulatum (Sow. Sp.) 
BRITISH PALAXOZOIC FOSSILS. 
Clungunford, Shropshire. Wenlock shale. 
Ptilodictya lanceolata (Gold. Sp.) 
Spirifera crispa (Linn. Sp.) 
— insularis (Hichw. Sp.) 
Hemithyris pentagona (Sow. Sp.) 
Leptzena lzevigata (Sow.) 
Strophomena euglypha (Dal. Sp.) 
Orthoceras subundulatum (Portk.) 
Coed Sion, Llangadoc, S. Wales. 
Cyrtia trapezoidalis (Dal.) 
Spirigerina reticularis (Linn. Sp.) 
Orthis turgida (M°Coy). 
Leptzena deltoidea. 
— — Var. f. undata (M°Coy). 
Coed y Bedw, Bala. Upper Bala. 
Beyrichia complicata (Salt.) 
Orthis elegantula (Dal.) Var. a. 
Area Edmondiiformis (M°Coy). 
Coldwell, Westmoreland. Upper Bala. 
Odontochile obtusicaudata (Salt.) 
Orthoceras filosum (Sow.) 
— laqueatum (Hall). 
— tenuicinctum (Portk.) 
Cycloceras sub-annulatum (Miinst.) 
Collinfield, Kendal. Upper Ludlow. 
Spirigerina reticularis (Linn. Sp.) 
Hemithyris nucula (Sow. Sp.) 
Colmonel, on the Stincher. Bala Group. 
Orthis confinis (Salt.) 
Orthisina Scotica (M°Coy). 
Lepteena quinquecostata (M°Coy). 
Coniston Water-head, Lancashire. 
Paleeopora interstincta (Wahl. Sp.) 
— — Var. a. subtubulata (M°Coy). 
— megastoma (M°Coy). 
— tubulata (Lonsd. Sp.) Var. a. 
Favosites crassa (M°Coy). 
Upper Bala. 
Calymene subdiademata (M*Coy). Var. 
Upper Bala. 
