308 Mr. F. Chapman on Foraminifera 



Gault at Folkestone by a single specimen, and it is also 

 unique in the collection from the Cambridge Greensand of 

 Swaifham. 



VaginuUna comitina, Berthelin. 



Vaginulina cojnitina, Berthelin, 1880, M^m. Soc. g6ol. France, s^r. 3, 

 vol. i. no. 6, p. 38, pi. i. figs. 21 a-cl; Chapman, 1894, Journ. R. 

 Micr. Soc. p. 426, pi. viii. fig. 11. 



This species has previously been described from the Gault 

 of France and England, and it has also occurred in the Chalk 

 detritus of Charing, Kent. It is rare at SwafFham, 



Vaginulina Biochei^ Berthelin. 



Vaginulma Biochei, Berthelin, 1880, M6ni, Soc. g^ol. France, s6r. 3, 

 vol. i. no. 5, p. 42, pi. ii. figs. 9 a, b; Chapman, 1894, Journ. R. 

 Micr. Soc. p. 427, pi. viii. figs. 14 a, b. 



This rare form was originally described from the French 



Gault, and it has also been found in the Gault of Folkestone. 



One specimen from the Cambridge Greensand at SwafFliam. 



Cristellaria, Lamarck [1816]. 



Cristellaria linearis^ Reuss. 



Cristellaria linearis, Reuss, 1862, Sitzungsb. d. k. Ak. Wiss. Wien, 

 vol. xlvi. p. 66, pi. xii. figs. 1 o, 6 ; Chapman, 1894, Journ. R. Micr. 

 Soc. pp. 645, 646, pi. ix. tigs. 1 a, b. 



Very rare at Sn'affham. 



Cristellaria paraUela^ Reuss. 



Cristellaria jmrallehi, Reuss, 1862, Sitzungsb. d. k. Ak. Wiss, Wien, 

 vol. xlvi. p. 67, pi. vii. figs. 1, 2 ; Chapman, 1894, Journ. R. Micr. 

 Soc. p. 647, pi. ix. figs. 5 a, b. 



This occurrence extends the range of the species upward, 

 being formerly known from Neocomian, Aptian, and Albian 

 beds, and only as high as zone v. at Folkestone. 



Very rare at Swaffham. 



Cristellaria cymboideSy d'Orbigny. 



Cristellaria cymboides, d'Orbigny, 1846, Foram. Foss. Vienne, p. 85, 

 pl. iii. figs. 30, 31 ; Burro-ws, Sherborn, and Bailey, 1890, .Jourii. 

 R. Micr. Soc. p. 660, pl. xi. fig. 6 ; Chapman, 1894, ibid. p. 647, 

 pl, ix, figs, 6 rt, b. 



One specimen from Swaffham. 



