PLATE LVIII. 



Lagena. 

 (a, Lateral aspect ; b, oral aspect.) 



Figure 1. — Lagena cxsculpta, Brady, .... 



,,2,3,7-10. — Lagena gracilis, Williamson, . 



,, 4, 17 (?), 18. — Apiculate forms of Xa^e??asM?cato, Walker and 

 Jacob, ..... 



,, 5, 6. — Apiculate form of Lagena sulcata, var. interrupta, 

 Williamson, . 



,, 11-15. — Lagena distoma, Parker and Jones, 



,, 16. — Lagena distoma-margaritijera, Parker and Jones, 



,, 19, 22-24. — Lagena gracilis, Williamson, . 



,, 20 (?), 21. — Lagena acuticosta, Reuss, 



,, 25, 26(1), 27. — Lagena plumigera, Brady, 



,, 28-31. — Lagena squamosa, Montagu, sp., 



„ 32, 33. — Lagena hexagona, Williamson, sp., 



,, 34. — Lagena seminuda, n. sp., 



,, 35. — Lagena favoso-punctata, Brady, . 



,, 36. — Lagena. hertwigiana, Brady, 



,, 37, 40. — Lagena striatoptinctata, Parker and Jones, 



,, 38, 39. — Lagena feildeniana, Brady, 



,, 41. — Lagena torquata, Brady, 



,, 42, 43. — Lagena desmophora, Bymer Jones, 



Diam. 

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