PAGE. th 
° 
8 
5 
5 ‘ga Mactra arcuata, J. Sow. ......... x 
a eat — artopta, 8. Wood ....... vo} X 
249 — (Mesodesma) deaurata, i 
- Turt. ae 
5 en = EMER JPLOF2o 6000000000000001! poe 
z a == OAT Fb MaDocacdc000000000!! 600 
249 — var. constricta, S. Wood) ... 
244 — procrassa, S. Wood ......|... 
5 ipa —= BONE, JQ cooocoond000000 x 
e ae — stultorum, Zznz.............] x 
24.7 ~ C 
3 154 — subtruncata, Da Costa...) . 
248 — — var. obtruncata ..... | x 
A 325 — triangula, Remer ......... x 
245 — truncata, Mont. ...........01... 
5 ae { Lutraria elliptica, Zam......... cool] 8 
252 pee 3 
$147 Solecurtus strigillatus, Zinn. ...} x 
s148 | Cultellus Suttonensis, S. Wood) x 
f oe cultellatus, S. Wood....... 
s 148 — pellucidus ? Penn ..,...... 
254 | Solen gladiolus, Gray ............ 
«| ae — siliqua, LYE 30000000 go00000 ae 
256 — ensis, Linite.....c... dooo00d|| 8 
264 Cochlodesma complanatum, 8. 
Wood es 
264, — pretenerum, S. Wood ...| x 
264: — pretenue, Pult. ............ x 
5 1g0 ¢| Thracta inflata, J. $0w......ss0...] x 
Ss 156 — distorta ? Mont. ............| 2 
é “oe — papyracea, Poli ............ x 
259 — pubescens, Pulé.............] x 
a ee — ventricosa, Phil......2.....| x 
SHld9)) || Liyonsia Po... ese ene see] X 
4 io Pandora inequivalvis, Linn...... x 
5 2/3 Necera cuspidata, Oliver .........) x 
s 161 — obesa, Lovén sieneeeeeeeesee! x 
272 — jugosa, S. Wood............| x 
268 
$161 Poromya granulata, Wyst......... x 
f coh Corbula striata, Walker & Boys) x 
s 159 — contracta P Say ........0..1 ... 
Ki ‘Gol Corbulomya complanata, J. Sow.) ... 
5 ee Saxicava arctica, Linm.............| x 
| A ee var. rugosa, Linn. ......... x 
Berolt |) = faailis, Wyse x 
Red Crag, Walton. 
x 
Red Crag, Sutton 
and Butley. 
Scrobicularia Crag. 
Fluvio-marine Crag. 
x 
SYNOPTICAL LIST. 
Chillesford beds. 
x 
> | 4 I 
ms |a JH 
es SIE is 
4 o Ss | .|4 
-il[a 7 iM |S =| 
Fed |) SS [red] J || eNO) 
8/8) les|/ 8 SSIS 
Silo|S ssi ss (esis 
oO Oo 1s Ss | nim 
SSeS Ie le ie 
elel2le lek fa 
1) FS} HE IS © [1K |S) 
ala] o ie le io is 
ve 
x | x 53 || $2 || & 
x | x x 
? 
00 |} 000 || 000 |} 6004} 990 
0 |] G00 
@ |i eee |i vce 
900 |} 000 |} 000 
9 
. , ‘ 
: oO 
+. 
oo 
50 
x 
oe 
00 
8 |} oe 2 |] S< |} $8 Hes 
x 
a LEX 
x . 
roe | | 
| ub 6g 
Brickearth. 
Living, Britain. 
Living, Mediterra- 
pean 
Living, elsewhere. 
x 
x 
x 
x 
bau) 
REMARKS. 
North American seas only, the British specimens, 
being spurious. See Forb. & H., vol. i, p. 346. 
The Mediterranean analogue is UZ. triangula. 
IM, triangulata of Crag Moll. 
only derivative. 
of Supplement. 
Macha strigillata of Crag Moll. 
As to L. oblonga, see p. 155 
aly only in Red Crag, and these probably 
C. tenuis of Crag Moll. 
Tab. X, fig. 14, of Supplement. 
See Supplement, p. 149, as to occurrence at 
Aldeby and Hopton. 
Jeffreys list. Neither Conradi nor Corbuloides. 
{os Crag, Brightwell, with doubt, in Mr. 
See C. M., p. 261. If in Red Crag, derivative. 
@. phaseolina of Crag Moll. 
Species undeterminable. 
Bay and 2435 fathoms in Atlantic, ‘Depths of 
the Sea,’ pp. 184 and 96. 
, have not had the opportunity of comparing 
| Bayan seas, 380 to 994 fathoms in Vigo 
this with JV. lamellosa, Sars. 380 to 994 fathoms 
in Vigo Bay, ‘ Depths of the Sea,’ p. 184. 
North American seas. 
Corbula complanata of Crag Moll. 
Only the gigantic form in Upper Glacial. 
Panopea plicata. Algeria, sec. Weinkauff. 
