V 
08 1803 
JOURNAL 
OF THE 
ROYAL MICROSCOPICAL SOCIETY. 
OCTOBER 1893. 
TRANSACTIONS OF THE SOCIETY. 
XI. — The Foraminifera of the Gault of Folkestone. — IY. 
By Frederick Chapman, F.RM.S. 
( Read 19£7i April, 1893.) 
Plates YIII. and IX. 
Family LAGENIDM. 
Subfamily LA GENINAE. 
Lagena Walker and Boys [1784]. 
Lagena globosa Montagu sp., plate YIII. figs. 1 a, b. 
Vermiculum globosum Montagu, 1803, Test. Brit., p. 523. En- 
tosolenia globosa Reuss, 1862, Sitzungsber. d. k. Ak. Wiss. Wien, 
yob xlvi. p. 318, pi. i. figs. 1-3. Lagena globosa Brady, 1884, Chal. 
Rep., vol. ix. p. 452, pi. lvi. figs. 1, 2, 3. L. globosa Burrows, 
Sherborn and Bailey, 1890, Journ. Roy. Micr. Soc., p. 555, pi. IX. 
figs. 1, 2, 4, 
This well-known species is represented in the Gault by two 
specimens only, of an elongate form ; and one of them (the specimen 
EXPLANATION OF PLATES. 
Plate YIII. 
Fig. I a, 6 . — Lagena globosa Montagu sp. (elongate var.). x 60. 
55 
2 a, b. 
55 
apiculata Reuss (typical elongate form), x 60. 
55 
3 a, b. 
?5 
„ „ (globose form), x 60. 
55 
4, 7. 
55 
„ var. emaciata Reuss. x 60. 
15 
5. 
55 
Isevis Montagu sp. x 60. 
„ 
6. 
55 
gracillima Seguenza sp. x 70 and x 80. 
55 
8. 
55 
aspera Reuss. X 60. 
55 
9 a, b. 
55 
liispida Reuss (globose form), x 60. 
55 
10 a, b. 
„ 
„ „ (elongate form), x 60. 
11. 
55 
sulcata Walker and Jacob, x 60. 
„ 
12 a, b. 
acuticosta Reuss. (12 6 represents view from the aboral end.) 
x 60. 
55 
13. 
55 
gracilis Williamson, x 60. 
55 
14. 
55 
alifera Reuss. x 60. 
„ 
15. 
55 
striatopunctata Parker and Jones. X 70. 
55 
16 a, b. 
,5 
marginata Walker and Boys, x 120. 
1893. 
2 s 
