3 AW 10 189* 
JOURNAL 
OF THE 
ROYAL MICROSCOPICAL SOCIETY. 
DECEMBER 1894. 
TRANSACTIONS OF THE SOCIETY. 
IX. — The Fora'minifera of the Gault of Folkestone. — VII. 
By Frederick Chapman, F.R.M.S. 
{Read 17 th October , 1894.) 
Plates IX. and X. 
Sub- family N OB OS A BUNAS — continued. 
Cristellaria Lamarck [1816]. 
Gristellaria linearis Reuss, plate IX. fig. 1 a , b. 
C. linearis Reuss, 1862, Sitzungsb. d. k. Ak. Wiss. Wien, 
vol. xlvi. p. 66, plate xii. fig. 1 a, b. 
This species has an elongate test, with a slightly incurved com- 
mencement; the chambers are rounded in front, and in the later 
growth well inflated. The back of the shell is somewhat compressed 
EXPLANATION OF PLATES. 
Plate IX. 
Fig. 
5? 
5? 
1 a, b. — Cristellaria linearis Reuss: a, lateral aspect; b , face of the last 
chamber, x 45. 
2 a, b ■ — C. striata sp. nov. : a , lateral aspect ; b, face of the last chamber. 
X 60. 
3 a , b. — C. exilis Reuss : a, lateral aspect ; b, face of the last chamber, x 60. 
4 ab.—C. exilis var. crispata nov.: a, lateral aspect; 6, face of the last 
chamber, x 60. 
5 a, b. — C . parallela Reuss : a, lateral aspect ; b, face of the last chamber, x 60. 
6 a , b. — C. cymboides d’Orbigny : a, lateral aspect ; b, face of the last chamber. 
X 30. 
7 a, b. — C. humilis Reuss : a, lateral aspect; b, face of the last chamber, x 45. 
8 a, b. — C. crepidula Fichtel and Moil sp. : a, lateral aspect; 6, front peri- 
pheral aspect, x 30. 
9 a, b. — C. Schloenbachi Reuss: a, lateral aspect; b, face of the last chamber. 
X 60. 
10. — C. costulata sp. nov. : lateral aspect, x 60. 
11 a, b. — C. gladius Philippi sp. : a, lateral aspect; b, face of the last chamber. 
X 30. 
2 Y 
1894 
