TABULAR TIEW OF THE GLACIAL . 
MARINE TYPES. ■ 
POST-GLACIAL PERIOD. 
Subaqueous. 
(Land about 25 
leet below itspre- 
sent level in mid- 
dle stage— i.) 
c. Foraminiferous mud (calcareous) now forming in the depths o 
Atlantic. — Deposits forming around British coasts. 
b. Glasgow canoe-sands. 
a. Shell-sands overlying Carnon and Pentuan (Cornwall) silt, 
taining human remains (Colenso). 
Subaerial. 
(Land probably 
200 feet above its 
present level in 
middle stage— i.) 
c. 
b. Dogger-bank Mya truncata bottom (King). 
(Tne land being at a higher level than it is at present, no mr 
deposits could be formed on it.) 
a. 
Subaqueous. 
(Land probably 
SOO feet below its 
present level in 
middle stage— i.) 
c. 
b. Belfast Thracia convexa clays (Hyndman). — Probably such ol 
raised beaches as contain only existing British shells, e.g. I 
rush (Antrim), — especially of Scotland (Landsborough, ^ 
ford, Jeffreys). 
a. 
GLACIAL PERIOD. 1 
Third (Subaerial) epoch. 
(During the middle stage, J, 
the land possibly reached an 
elevation of 700 feet or more 
above its present level.) 
e. 
b. (Much of the bed of the German Ocean above the sea. — Fra 
England, and Ireland connected.) 
a. Astarte arctica bottom, off Fern Isles, Northumberland (King 
Second (Subaqueous) epoch. 
(During the middle stage, b, 
the laud was probably upwards 
of 2000 feet below its present 
level.) 
Erratic blocks (many fo- 
reign) transported by icebergs 
during the entire epoch. 
high levels. terraces. 
c. Pagham (Sussex) "marine gravel" (God\Tin- Austen). — K' 
(near Hull) Natica clansn gravel (Philhps, Prestwich). — G 
wood Park (Sussex) shell gravel (Prestwich). — Brighton, 
nish, and Devonshire raised beaches. — Howth (Dublin) Cyth 
Chione gravel. — Wolverhampton Astarte arctica gravel (Lis 
Lancashire erratic-block-shell drift (Gilbertson, Murcbi 
Binney) . — Wicklow, Londonderry, and Antrim Leda oblonga ( 
(Portlock, Oldham). — Pagham (Sussex) "yellow clay with 
nite blocks" (Godwin-Austen). — Kyles of Bute Fecten Ida 
ciis clay (Smith, of Jordan Hill). 
r b. Moel-Tryfaen (Caernarvonshire) shell drift, — littoral (J. Trimn 
— Airdrie (Lanarkshire) Tellina calearea clay, — pelagic (Cr; 
First (Subaerial) 
epoch. 
(During the middle 
stage, b, the land pro- 
bably attained an ele- 
vation of more than 
1300 feet above its 
present level. No 
})art of the British 
during the entire 
epoch.). 
c. 
b. (The bed of the German Ocean and the Irish Atlantic 200-fath( 
submarine plateau subaerial.) 
a. 
PLIOCENE 
PERIOD. 
(Latest portion.) 
Bed of German Ocean strewed over with Scandinavian iceberg-tn - 
ported blocks, which frequently afterwards, especially in next per , 
became mingled with British field-ice drift; thereby producing e 
mixed unstratiticd tillofnorthofEngland. — (See column ofLand i 
Freshwater deposits, Glacial period.) — ? Pagham (Sussex) Lufr, i 
riiqasa mud deposit (Dixon). — Runton (Norfolk) Leda myrUis 
(J. Trimmer). 
