TERTIARY ENTOMOSTRACA OF ENGLAND. 



/. Oblong forms, with longitudinal wrinkles or ridges. 

 30. Cythere delirata, Jones ^ Sherborn. Oligocene. PL III, figs. IG a, h. 



— polyptycha (/?(^?<s.s). Var. ?io('. Pliocene. PI. I, fig 5. 



— plicata, ilf/rn..sier. Y-M'.nov. Oligocene and Eocene (Highcliff, 

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



costellata {Roeiner). Eocene (Bracklesliam). 



— — • var. triangulata, .T<in.es Sf Sherdorn. Eocene 



(Bracklesliam). PL I, fig. 21. 



,, 30 34. — gyriY)\iGata,Jo7ies^Sherhorn. Eocene (Bracklesliam). PL 



I, figs. 17 a, b. 



g. Oblong forms, witli longitudinal ridges and reticulation. 

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

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



,, 31. 36. — transenna {oJim angulatopora partim), Jones ^ Sherborn. 



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

 ,, 31. 37. — Fovhesii, Jones ^f Sherborn. Oligocene. PL III, figs. 18 rt, /j. 



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



reticulated. 



XII. Cytheeeis, Jones. 



1. Cythereiscorrugata(Ee({ss). Var.nov. Oligocene. Pl.III.figs. 19 a,6. 



— senilis, Jones. Pliocene. 



— Hoernesi (Speyer). PHocene. PI. I, fig. 7. 



— Prestwichiana, Jones cj- Sherdorn. Eocene (Whitecliff Bay). 



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



33. 5. — avanea,, Jones Sf Sherborn. Eocene (London). PL II, figs. 



15 a, b. 



— Bowerbankiana, Joyit'.s'. Eocene (London). 



— horrescens, Jones. Eocene (Highcliff and London). 



— spiniferrima {olim spinossima), Jones ^ Sherborn. Eocene 

 (London). Woodcut, fig. 3. 



— Jonesii {olivt ceratoptera), Baird. Pliocene. 



— cornuta (ii'o*3mer). Oligocene and Eocene (Bracklesham). 

 PL I, fig. 22. 



,, 36. 11. — sp. Eocene (Thanet). 



XIII. Cytheridea, Bosquet. 

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



!. 36. 1.* — — \ar. teres, Brady ^ Robertson. Post-Tertiary and 



Pliocene. 



j> 37. 2. — Muellei'i {Miinstcr). Oligocene and Eocene (Highcliff 



and Woolwich). 



