Vol. 50.] ME. P. CHArMAN OS THR BARGATE BEDS OF SURREY. 709 



Frooticularia, Defrance. 



65. Frondicularia briz^iformis, Bornemann. (PI. XXXIV. 

 fig.9«,6). 



F. brizceformis, Bornemann, ' Liasformation von Gottingen,' 

 1854, p. 36, pi. iii. figs. 17 a-d, 18 a-c, 20 a, b. 



A perfect example of this very elegant Liassic species was found 

 in the Bargate Pebble-beds at Littleton. The Lower Greensand 

 specimen is much neater than those figured by Bornemann (loc. cit.). 



Marginulina, d'Orbigny. 



66. Margintjlina linearis, Beuss. 



M. linearis, Beuss, Sitzungsb. Akad. Wissensch. Wien, vol. xlvi. 

 (1862) p. 60, pi. v. fig. 15. 



M. linearis has been found in the Minimus-Thon of North 

 Germany, and in the Gault of Folkestone. 



One specimen from the Pebble-beds, Littleton. 



67. Margint/lina debilis, Berthelin. 



M. debilis, Berthelin, Mem. Soc. geol. France, ser. 3, vol. i. 

 (1880) no. 5, p. 35, pi. iii. fig. 28. 



One fragmentary specimen of this Gault species, from the Pebble- 

 beds, Littleton. 



68. Marginf/lina compressa, d'Orbigny. 



M. compressa, d'Orbigny, Mem. Soc. geol. France, vol. iv. (1840) 

 p. 17, pi. i. figs. 18, 19 ; Beuss, ' Verstein. bohm. Kreid/ pt. i. 

 (1845) p. 29, pi. xiii. fig, 33. 



One example of this Upper Cretaceous species, from the Pebble- 

 beds, Littleton. 



69. Marginulina jeqtjivoci, Beuss. 



M. cequivoca, Beuss, Sitzungsb. Akad. "Wissensch. Wien, vol. xlvi. 

 (1862) p. 60, pi. v. fig. 17. 



One specimen of this form, previously recorded from the Minimus- 

 Thon of North Germany and from the French and English Gault, 

 was found in the Pebble-beds, Littleton. 



70. Marginulina Jonesi, Beuss. 



M. Jonesi, Beuss, Sitzungsb. Akad. Wissensch. Wien, vol. xlvi. 

 <1862)p. 61, pi. v. fig. 19. 



This species has previously been recorded from beds of Neocomian 

 age (Upper Hils-Thon) of North Germany, and from the Gault of 

 France and England. 



One specimen from the Pebble-beds, Littleton, and three in 

 the Pebble-beds at Halfpenny Lane, below St. Martha's Chapel, 

 Chilworth. 



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