PLATE X 



Figs. I, 2. Seabrookia earlandi, J. Wright (No. i68). Side views: x 164. 



Fig. 3. Seabrookia earlandi, J. Wright (No. 168). Oral view: x 164. 



Fig. 4. Lagena laevigata {d'Orhigny) {No. i6g a). Side view : x 74. 



Fig. 5. Lagena inornata (d'Orbigny) (No. 175). Side view: x 74. 



Fig. 6. Lagena hispidula, Cushm^n {No. \%o). Side view: x no. 



Fig. 7. Lagena hispida, Reuss (No. 181). Variety wdth outer coating formed by the 



tri-radiate ends of spines; side view: x no. 

 Fig. 8. Lagena hispida, Reuss (No. 181). A similar specimen with the coating of spines 



removed; side view: x no. 

 Fig. 9. Lflj-ena caw^aifl (d'Orbigny) (No. 184). Side view: x no. 

 Figs. 10-12. Lagena striata (d'Orbigny) (No. 188). The original globular type; side 



views of specimens of varying coarseness : x 1 10. 

 Figs. 13, 14. Lagena sulcata (Walker and Jacob) (No. 189). Variety; side views: x no. 

 Fig. 15. Lagena sulcata (Walker and Jacob) (No. 189). Variety with ladder-like flanges 



round neck; side view: x no. 

 Figs. 16, 17. Lagena vilardeboana (d'Orbigny) (No. 191). Side views: x no. 

 Fig. 18. Lagena vilardeboana (d'Orbigny) (No. 191). Oral view: x no. 

 Figs. 19-23. Lagena costata (Williamson) (No. 195). Side views of specimens to illustrate 



variation in number and development of costae: x no. 

 Fig. 24. Lagena costata (Williamson) (No. 195). Oral view: x no. 

 Figs. 25, 26. Lagena melo (d'Orbigny) (No. 200). Side views: x 124. 

 Fig. 27. Lagena melo (d'Orbigny) (No. 200). Oral view: x 124. 

 Figs. 28-30. Lagena digitale, sp.n. (No. 203). Side views: x no. 

 Fig. 31. Lagena reniformis, Sidebottom (No. 208). Side view: x 164. 

 Fig. 32. Lagena reniformis, Sidebottom (No. 208). Oral view: x 164. 

 Figs. 33, 34. Lagena millettii, Chaster (No. 209). Side views: x 164. 

 Figs. 35-38. Lagena biancae (Seguenza) (No. 210). Varieties; side views: x 124. 

 Fig. 39. Lagena biancae (Seguenza) (No. 210). Trigonal variety: x 124. 

 Figs. 40-42. Lagena annectens, Burrows and Holland (No. 215). Varieties; side views: 



X no. 

 Fig. 43. Lagena annectens. Burrows and Holland (No. 215). Apiculate variety: x no. 

 Fig. 44. Lagena annectens. Burrows and Holland (No. 215). Edge view: x no. 



