BBITISH PALAZOZOIC FOSSILS. 
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Genera and Species, with the localities represented by the 
numbers of the preceding List, under each 
Geological Group. 
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STENOPORA (continued). 
Upper Bala, 19a. 
— granulosa (Gold. Sp.) 
Wenlock limestone, 91. 
HALYSITES. 
— catenulatus (Linn. Sp.) 
Lower Ludlow, 288. 
Wenlock limestone, 262. 
May Hill, 172. 
—171—255—108—125. 
SYRINGOPORA. 
— bifurcata (Lonsd.) 
Wenlock limestone, 262—91. 
CANINIA. 
— lata (M°Coy). 
Wenlock limestone, 262. 
— turbinata (Linn. Sp.) 
Wenlock limestone, 91—135. 
Upper Bala, 171—68. 
STREPHODES. 
— craigensis (M°Coy). 
Upper Bala, 68. 
— pseudo-ceratites (M°Coy). 
Aymestry limestone, 229. 
Wenlock limestone, 91. 
Woolhope limestone, 193. 
— trochiformis (M°Coy). 
Wenlock limestone, 91. 
— Vermiculoides (M°Coy). 
Aymestry limestone, 12. 
Wenlock limestone, 262. 
CYSTIPHYLLUM. 
— brevilamellatum (M°Coy). 
Wenlock limestone, 262. 
CLISIOPHYLLUM. 
— vortex (M°Coy). 
Wenlock limestone, 262. 
STROMBODES. 
— Wenlockensis (M‘Coy). 
Wenlock limestone, 262, 
Upper Bala, 153—9—62—116—205 | 
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Genera and Species, with the localities represented by the 
numbers of the preceding List, under each 
Geological Group. 
ACERVULARIA. 
— ananas (Linn. Sp.) 
Wenlock limestone, 91—135. 
CYATHAXONIA. 
— Siluriensis (M°Coy). 
Ludlow Group, 259. 
SARCINULA. 
— organum (Linn. Sp.) 
Wenlock shale, (162). 
Upper Bala, 62—239—116—9—(1 62). 
ARACHNOPHYLLUM. 
— typus (M°Coy). 
Aymestry limestone, 12. 
PETRATA. 
equisulcata, (M°Coy). 
Bala Group, 21. 
Upper Bala, 62—9—116—153—182. 
bina (Lonsd. Sp.) 
Malverns, 169. 
Caradoc sandstone, 120. 
elongata (Phill. Sp.) 
Upper Bala, 13. 
rugosa (Phill. Sp.) 
Upper Bala, 199—40—198. 
subduplicata (M°Coy). 
Upper Bala, 54—153—182. 
wniserialis (M°Coy). 
Upper Bala, 199—171—153—40—7 
—205. 
SPONGARIUM. 
aquistriatum (M°Coy). 
Upper Ludlow, 18. 
Edwardsii (Murch.) 
Lower Ludlow, (84). 
Wenlock Shale, (84). 
interlineatum (M*Coy). 
Upper Ludlow, 18—23—227. 
interruptum (M°Coy). 
Upper Ludlow, 234. 
BERENICEA, 
— heterogyra (M°Coy). 
Upper Bala, 62, 
