Bale NATURAL SCIENCE [November 1898 
obtained from a consideration of only a small proportion of the 
rhizopodal fauna,—that which is represented in our modern seas. 
” 
SUMMARY OF DETAILS RESPECTING THE GAULT AND ITS DEPTHS. 
§ A F Average 
ie es > = Possible Equivalent in A 
Horizon. Nature of Deposit. Denese Bepostie: aoe 
Zone I, (Green-sand Dark argillaceous green- 
seam). sand. Green-sand. 750 
I, (5 ft. above 
the base). Dark green clay. Green mud. 700 
Il. 29 ” ” ” ” 820 
Ill. Pale brown clay. Red mud. 1180 
DV: Green-erey clay. Blue mud. 840 
V. Grey-blue clay. vat) es 750 
WANE Mottled blue-grey clay. at balers 790 
Vil. Dark blue-green clay. AAT 810 
VIII. Grey clay. ” ” 700 
TX, Dark blue-grey marl. Grey terrigenous ooze. 910 
X. Pale green-grey marl. 5 Sy $6 900 
XCis Pale grey marl. BS 7% a 870 
XII. Glauconite marl. Glauconite mud. 820 
XIII. Pale grey marl. Grey terrigenous ooze. 830 
FREDERICK CHAPMAN. 
111 Oaxkuitt Roan, 
PuTNeEY, 8. W. 
LITERATURE REFERRED TO. 
. Chapman, F.—‘‘On Rhaetic Foraminifera from Wedmore, in Somerset.” Ann. and 
Mag. Nat, Hist., ser. 6, vol. xvi., 1895, pp. 305-329. 
. Chapman, F.—‘‘ The Foraminifera of the Gault of Folkestone.” Part 1, Journ. R. 
Micr. Soc. for 1891 ; Parts 2 and 3, zbid., 1892; Part 4, 1893; Parts 5, 6 and 7, 
1894 ; Parts 8 and 9, 1896; Part 10, 1898. 
Jones, T. R.—‘‘ Note on an Annelid Bed in the Gault of Kent.” Geol. Mag., 1876, 
pp. 117, 118. 
Price, F. G. Hilton. —‘‘ On the Probable Depth of the Gault Sea.” Proc. Geol. Assoc., 
vol. iv., 1876, pp. 269-278. 
Jukes-Browne, A. J.—‘‘ The Building of the British Isles.” 1892, p. 257. 
. Price, F. G. Hilton.—‘‘ Note onan Annelid Bed in the Gault of Kent.” Geol. Mag., 
1876, pp. 190, 191. 
