320 
Transactions of the Society. 
Reophax ampullacea Brady, plate V. figs. 2 a and b. 
Reophax ampullacea Brady, 1881, Quart. Journ. Micr. Sci., vol. 
xxi. N.S. p. 49. R. ampullacea Brady, 1884, Chall. Rep., vol. ix. 
p. 290, plate xxx. figs. 6 a, b. 
The specimens from the Gault are precisely similar in appearance 
to the recent ones figured by Dr. Brady. It occurs with frequency 
in one stratum only, in zone xi., 12 ft. from the top. 
Reophax fusiformis Williamson sp., plate Y. fig. 3. 
Proteonina fusiformis Williamson, 1858, Rec. For. Gt. Br., p. 1, 
plate i. fig 1. 
This form has hitherto been recorded only as a recent one. The 
fossil specimens, of which two have been found, exhibit the broad and 
narrow variation in the form of the shell ; the former type is here 
figured. Zone x. one specimen (broad type) ; zone xi., 6 ft. from 
the top, one specimen (narrow type). 
Reophax scorpiurus Montfort, plate Y. figs. 4 and 5. 
Reophax scorpiurus Montfort, 1808, Conchyl. Systeme, vol. i. 
p. 330, 83 e genre. 
This is a recent form, but has also been recorded fossil by Messrs. 
Crosskey and Robertson from the Post-tertiary beds of Norway, and 
by Terquem from the Oolite of Fontov, under the name of Nodosaria 
agglutinans. The specimens from the Gault consist of two varieties, 
a slender form (the initial portion of which has been broken off), and 
Plate VI. 
Fig. 1, 2. — Haplophragmium xquale Romer sp. x 60. 
3. „ „ „ section, x 60. 
4. — Placopsilina cenomana d’Orb. x 45. 
5. „ vesicularis Brady, x 45. 
6. 7. — ffaplosticlie Sherborniana sp. n. x 35. 
8. ., „ „ decalcified section, x 35. 
9. — Thurcimmina albicans Brady, x 30. 
10a, b . — Hormosina globulifera Brady, x 30. 
11. — Amrnodiscus incertus d’Orb. sp. x 60. 
1 2. „ tenuis Brady, x 60. 
13. „ gordialis Jones and Parker sp. x 60. 
14a, 6. — Trocliammina concava sp. n. x 30. 
15. — Textularia minuta Bertheliu. x 40. 
b. 
16. 
17a 
18. 
19. 
20 . 
21 . 
22 . 
23. 
24a, 6. 
25a, 6. 
sagittula Defrance. x 35. 
gramen d’Orb. x 35. 
trochus d’Orb. x 35. 
i turn's d’Orb. x 35. 
conica d’Orb. x 35. 
agglutinans d’Orb. x 40. 
parallela Reuss. x 40. 
prxlonga Reuss. x 45. 
rueuilina triquetra Munster sp. x 40. 
„ variabilis Brady, x 40. 
