6 TERTIARY ENTOMOSTRACA OE ENGLAND. 



/. Oblong forms, with longitudinal wrinkles or ridges. 



Page 28. 30. Cythere delirata, Jones Sf Sherbom. Oligocene. PI. Ill, figs. 16 a, b. 

 29. 31. — polyptycha (Reuss). Var. nov. Pliocene. PI. I, fig 5. 



29. 32. — plicata, Munster. Var. nov. Oligocene and Eocene (Highcliff, 



Bracklesham, and London). PI. I, fig. 18. 



30. 33. — costellata (Roemer). Eocene (Bracklesham). 



30. 33.* — — var. triangulata, Jones S$ Sherbom. Eocene 



(Bracklesham). PI. I, fig. 21. 



30 34. — gyriplicata, Jones Sf Sherbom. Eocene (Bracklesham). PI. 



I, figs. 17 a, b. 



g. Oblong forms, with longitudinal ridges and reticulation. 



Page 30. 35. Cytbere scrobiculoplicata, Jones. Eocene (Barton and London). 



„ 30. 35.* — — var. recta, Jones. Eocene (Woodhay). 



,, 31. 36. — transenna (olim angulatopora partim), Jones fy Sherbom. 



Oligocene and Eocene (London) PI. II, fig 12. 



,, 31. 37. — Forbesii, Jones Sf Sherbom. Oligocene. PI. Ill, figs. 18 a, b. 



h. Subquadrate forms, with marginal ridges and central swelling ; often 



reticulated. 



XII. Cythbreis, Jones. 



Page 32. 1. Cythereis corrugata (Reuss). Var. nov. Oligocene. Pl.IlI,figs.l9 a,b. 

 32. 2. — senilis, Jones. Pliocene. 



32. 3. — Hoernesi (Speyer). Pliocene. PI. I, fig. 7. 



33. 4. — Prestwichiana, Jones Sf Sherbom. Eocene (Whitecliff Bay). 



PL II, figs. 13, 14 a, b. 



33. 5. aranea, Jones Sf Sherbom. Eocene (London). PI. II, figs. 



15 a, b. 



— Bowerbankiana, Jones. Eocene (London). 



horrescens, Jones. Eocene (Highcliff and London). 



spiniferrima (olim spinossima), Jones Sf Sherbom. Eocene 

 (London). Woodcut, fig. 3. 



— Jonesii (olim ceratoptera), Baird. Pliocene. 



cornuta (Roemer). Oligocene and Eocene (Bracklesham). 

 PI. I, fig. 22. 



„ 36. 11. — sp. Eocene (Thanet). 



XIII. Oytheuidea, Bosquet. 

 Page 36. 1. Cytheridea torosa, Jones. Post-Tertiary and Pliocene. 



,, 36. 1.* — — var. teres, Brady Sf Robertson. Post-Tertiary and 



Pliocene. 

 ,, 37. 2. Muelleri {Miinster). Oligocene and Eocene (Highcliff 



and Woolwich). 



34. 



6. 



34. 



7. 



34. 



8. 



35. 



9. 



36. 



10. 



