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 

 SwafTham. 



Vaginulina comitina, Berthelin. 



Vaginulina comitina, Berthelin, 1880, Mem. Soc. geol. France, s6r. 3, 

 vol. i. no. 5, p. 38, pi. i. figs. 21 a-d; 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 SwafTham. 



Vaginulina Biochei, Berthelin. 



Vaginulina Biochei, Berthelin, 1880, Mem. Soc. g<5ol. France, s&\ 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 SwafTham. 



Cristellaria, Lamarck [1816]. 



Cristellaria linearis, Reuss. 



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

 vol. xlvi. p. 66, pi. xii. figs. 1 a, b • Chapman, 1894, Journ. R. Micr. 

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



Very rare at SwafTham. 



Cristellaria parallela, Reuss. 



Cristellaria parallela, 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 SwafTham. 



Cristellaria cymboides, d'Orbigny. 



ymboides, d'Orbigny, 1846, Foram. Foss 

 >1. iii. figs. 30, 31 ; Burrows, Sherborn, and Bailey, 1890, 

 3,. Micr. Soc. p, 

 pi, ix. figs. 6 a, b. 



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

 pi. iii. figs. 30, 31 ; Burrows, Sherborn, and Bailey, 1890, Journ. 

 R. Micr. Soc. p. 560, pi. xi. fig. 6 ; Chapman, 1894, ibid. p. 647, 



One specimen from SwafTham. 



