PLATE X 

 LOWER PALAEOZOIC FOSSILS 



FIG. i. Atrypa reticularis. Ludlow Limestone, Weo Edge, Salop. 



FIG. 2. Orthonota rigida. Lower Ludlow, Whettleton, Salop. 



FlG. 3. Omphalotrochus discors. Wenlock Limestone, Dudley. 



FIG. 4. Tentaculites. Caradocian, Marshbrool^, Salop. 



FIG. 5. Orthoceras bullatum. Upper Ludlow, Onibury, Salop. 



FIG. 6. Parabolinella triarthra. Shineton Shales, Belswardine Brook, 

 Salop. (Slightly restored. ) 



FlG. 7. Ogygiocaris buchi. Llandeilo, Builth. 



FIG. 8. Cryptolithus (" Trinucleus"} concentricus. Caradocian, Onny 

 River, Wistanstow, Salop. 



FlG. 9. Ceraiiocaris ? leptodactylus. Lower Ludlow, Martin's Shell, 

 Leintwardine, Herefordshire. 



