PLATE II. 



Fig. 



1 a — c. Polycope simplex, Jones & Kirkby. Magnified 8 diameters. (Page 54.) 



a, Left valve ; b, end-view ; c, edge-view. Retaining a film of shell. Carluke. 



2 a — c. Polycope Burrovii, sp. nov. Magnified 4 diameters. (Page 54.) 



a, Left valve ; b, end-view ; c, edge-view. Cast. Settle. 



3 a — e. Cypridina scoriacea, 3. & K. Shell. Carluke. (Page 20.) 



a, Left valve ; b, end-view ; c, edge-view ; magnified 4 diameters, d, Reticulated 

 ornament near the centre ; e, reticulated ornament near the margin ; both magnified 

 18 diameters. 



4 a — c. Cypridina Phillipsiana, Jones. With filmy remnant of shell. Carluke. (Page 18.) 



a. Right valve ; b, end-view ; c, edge-view. Magnified 4 diameters. 

 5. Cypridina Phillipsiana, Sones, Part of the shell on a cast. Left valve. Magnified 4 diameters, 



Carluke. (Page 18.) 



6 a — c. Offa Barrandiana, sp. nov. Shell. Cork. (Page 53.) 



a, Left valve ; b, front end-view ; c, edge-view. Magnified 4 diameters. 



7 a — c. Cypridinella snperciliosa, sp. nov. Shell, Cork. (P. 22.) 



a, llight valve ; b, end-view ; c, edge-view. Magnified 4 diameters. [The breast, or 

 antero-ventral border, is imperfect.] 



8 a — c. Cypridina Thomsoniana, J. & K. Shell. Gare. (Page 19.) 



a. Right valve [sliglitly crushed at the notch] ; b, hinder end-view ; c, edge-view. Magni- 

 fied 4 diameters. N.B. — Tlie pitted ornament should have been continued all over the 

 surface. 



9 a — c. Cypridina Phillipsiana, Jones. Partly shell on cast. Carluke. (Page 18.) 

 a, Right valve ; b, front end ; c, ventral edge. Magnified 4 diameters. 



10. Polycope simplex, J. & K. Shell. Cork. Right valve. Magnified 4 diameters. (Page 54.) 



11 a — c. Cypridina Tounyiana, J. & K. Cast. Gare. (Page 17.) 



a. Left valve ; b, front end ; c, edge-view. Magnified 4 diameters. 

 12. Polycope simplex, J. & K. Cast. Meath. Right valve. Magnified 4 diameters. (Page 54.) 



13 a — c. Cypridina Brady ana, sp. nov. Shell. Cork. (Page 15.) 



a. Right valve ; b, front end ; c, edge-view. Magnified 4 diameters. 



14 a — c. Cypridina Wrightiana, sp. nov. Shell. Cork. (Page 14.) 



a, Left valve ; b, front end ; g, edge-view. Magnified 4 diameters. 



15 a — c. Cypridina brevimentum, sp. nov. Shell. Coi'k. (Page 16.) 



a. Left valve ; b, end-view ; c, edge-view. Magnified 4 diameters. 



16 a — c. Cypridina brevimentum, sp. nov. Shell. Cork. (Page 16.) 



a, Left valve ; b, front end ; c, edge-view. Magnified 4 diameters. 

 17. Cypridina brevimentum, s^. nos. Shell. Cork. Left valve. Magnified 4 diameters. (Page 



16.) 



18 a — c. Cypridina brevimentum, sp. nov. Shell. Park Hill, Longnor. (Page 16.) 



a, Left valve ; b, end view ; c, ventral edge. Magnified 4 diameters. 



19 a — c. Cypridina brevimentum, sp. nov. Film of shell on cast. Park Hill, Longnor. (Page 16.) 



a. Right valve (the beak is rather sharper than in the drawing) ; b, front edge ; c, edge- 

 view. 



20 a- — e. Cypridina Grossartiana, J. & K. Carapace. Carluke. (Page 17.) 



a. Showing the left valve ; b, end-view ; c, ventral aspect. Magnified 4 diameters, 

 21. Bradycinetus Rankinianns, J. & K. Shell on cast. Gare. Right valve. Magnified 4 dia- 



meters. (Page 42.) 



22 a — c. Bradycinetus Rankinianus, J. & K. Carapace. Gare. (Page 42). 



a, Right valve shown ; b, ventral aspect (a & b, magnified 4 diameters) ; c, reticulate 

 surface ornament; magnified 18 diameters. 



23 a — c. Cyjjridinella Cummingii, sp. nov. Cast. Isle of Man. (Page 21.) 



a, Left valve ; b, end-view ; c, edge-view. Magnified 4 diameters. 

 24 — 27 a — c. Cypridina primtsva, M'Coy. Shells. Braidwood, Left valves and profiles. Magnified 4 

 diameters. (Page 12.) 



28. Cypridina primoiva, M'Coj. Cast. Permian limestone ; Sunderland. Right valve. Magnified 



4 diameters. (Page 13.) 



29. Rolled fragment, figured by mistake. Cork. Magnified 4 diameters. 



30,31a — c. Philomedes (J ) Bairdiana, sp. nov. Shells. Cork. Right valves and profiles. Magnified 4 



diameters. (Page 43.) 

 32 a — c. Rhombina Hibernica, sp. nov. Shell. Cork. (Page 44.) 



a. Left valve (figured with the ventral edge upwards) ; b, end-view ; c, ventral aspect. 

 Magnified 4 diameters. 



