Fig. 





1 a- 



-c. 



2 a- 



-c. 



3 a- 



-e. 



4 a- 



-c. 



5. 





6 a- 



—c. 



7 a- 



-c. 



PLATE II. 



Poll/cope simplex, Jones & Kirkby. Magnified 8 diameters. (Page 54.) 



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

 Polycope Burrovii, sp. nov. Magnified 4 diameters. (Page 54.) 



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

 Cypridina scoriacea, J. & K. Sliell. 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. 

 Ctjpridina PMllipsiana, Jones. With filmy remnant of shell. Carluke. (Page 18.) 



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

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



Carluke. (Page 18.) 

 OJfa Barrandiana, sp. nov. Shell. Cork. (Page 53.) 



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

 Cypndinella superciliosa, sp. nov. Shell, Cork. (P. 22.) 



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

 fied 4 diameters. N.B. — The 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. 



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

 Cypridina Youngiana, J. & K. Cast. Gare. (Page 17.) 



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

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

 Cypridina Bradyaiia, sp. nov. Shell. Cork. (Page 15.) 



a, Ri2;ht valve ; b, front end ; c, edge-view. Magnified 4 diameters. 

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



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

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



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

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



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

 Cypridina brevimentum, sp. nov. Shell. Cork. Left valve. Magnified 4 diameters. (Page 



16.) 

 Cypridina brevimentum, sp. nov. Shell. Park Hill, Longnor. (Page 16.) 



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

 Cypridina brevimentum, s'p. iio\. 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. 

 Cypridina Grossartiana, J. & K. Carapace. Carluke. (Page 17.) 



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

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

 meters. (Page 42.) 

 Bradycinetus Rankinianus, J. & K. Carapace. Gare. (Page 42). 



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

 surface ornament; magnified 18 diameters. 

 Cypridinella Cummi7igii, sp. nov. Cast. Isle of Man. (Page 21.) 



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

 — c. Cypridina primcBva, M'Coy. Shells. Braidwood. Left valves and profiles. Magnified 4 

 diameters. (Page 12.) 

 Cypridina j)rimcEva, M'Coy. Cast. Permian limestone ; Sunderland. Right valve. Magnified 



4 diameters. (Page 13.) 

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

 -c. P/iilomedes (?) Bairdiatia, sp. nov. Shells. Cork. Right valves and profiles. Magnified 4 

 diameters. (Page 43.) 

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



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

 Magnified 4 diameters. 



10. 





11 a- 



-c. 



12. 





13 a- 



-c. 



14 a- 



-c. 



15 a- 



-c. 



16 a- 



-c. 



17. 





18 a- 



-c. 



19 a- 



-c. 



20 a- 



-c. 



21. 





22 a- 



-c. 



23 a- 



-c. 



24—2 



7 a- 



28. 





29. 





30, 31 



a- 



