Vol. 50.] ME. F. CHAPMAN ON THE BARGATE BEDS OF SURREY. 720 



EXPLANATION OF PLATES XXXIII. & XXXIV. 



Plate XXXIII. 



Fig. 1. Cythere vesiculosa, sp. nov. ; a, right valve ; b, edge view ; c, end view. 

 X40. 



2. Cytheridea bicarinata, Jones & Sherborn, var. nodulosa, var. nov. ; a, 

 left valve ; b, edge view ; c, end view, x 75. 



3. Cytheridea vellicata, sp. nov. ; a, left valve ; b, edge view ; c, end view. 

 X60. 



4. Cytheridea fenestrafa, sp. nov. ; left valve. X 60. 



5. Cytheridea bipapillata, sp. nov. ; a, left valve ; b, edge view ; c, end 

 view. X 60. 



6. Cytheropteron reticulosum, sp. nov. ; a, left valve ; b, edge view ; c, end 

 view. X 60. 



7. Cytheropteron costuliferum, sp. nov. ; a, right valve ; 6, edge view of 

 carapace ; c, end view, x 60. 



8. One of the small objects obtained from the siliceous residue of the 

 Bargate limestone from Littleton, near Guildford, and somewhat 

 resembling in external form the calcareous alga LitJiothamnion. 

 X 60. 



9. A specimen obtained from the siliceous residue of the Bargate lime- 



stone from Littleton, and which is probably a species of Corallina. 

 X21. 



10. A small object common in the siliceous residue of the Bargate lime- 



stone from LittletoD, composed of green chalcedony, and which may 

 possibly have some affinities with Diplopora (a calcareous alga). X 60. 



11. (?) A replacement of a bryozoan, in green chalcedony, occurring 

 commonly in the siliceous residue of the Bargate limestone from 

 Littleton. X 60. 



12 a, b, c. Patellina aniiqua, sp. nov. X 60. 



Plate XXXIV. 



Fig. 1 a, b, c. Planispirina obscura, sp. nov. X 45. 



2 a, b. Haplophragrnium neocomianum, sp. nov. X 50. 



3 a, b, c. Ammodiscus pleurotomarioides, sp. nov. X 35. 



4 a, b, c. Trochammina squamata, Jones & Parker, var. limbata, var. nov. 



X60. 

 5. Bulimina polystropha, Eeuss. X 60. 



6 a, b. Ehrenbergina pupa, d'Orbigny, sp. X 60. 



7 a, b. Lagena Meyeriana, sp. nov. X 60. 



8 a, b. Lingidina semiornata, Eeuss, var. crassa, var. nov. X 60. 



9 a, b. Frondicularia briz&formis, Bornemann. X 60. 

 10 a, b, 11. Vaginulina neocomiana, sp. nov. X 60. 



12 a, b. Polymorphina rhabdogonioides, sp. nov. X 60. 



13 a, b. Polymorphina frondicidarioides, sp. nov. X 70. 



14 a, b. Polymorphina concava, Williamson, var. dentimarginata, var. nov. 



X60. 



15 a, b, c. Truncatidina falcata, Eeuss. X 60. 



Discussion. 



Mr. T. Leighton could not admit that there was any uncon- 

 formity between the Folkestone and Bargate Beds in this district ; 

 he thought that what was referred to as such would turn out to be 

 false bedding. He had recently described an interesting section of 

 this junction in Abinger Lane (Proc. Geol. Assoc, vol. xiii. p. 166) 

 with considerable detail, because the condition of things there shown 



