200 Mrs. McKenny Hughes—Pleistocene Mollusca. 
= let cl 6 
LisT OF FOSSILS FROM GRAVELS IN THE NEIGHBOUR- hy s 58 i) 
HOOD OF CAMBRIDGE. Fo| 2 /&s| ce 
QS} s [m4] 3 
6 faa) 
I. | II. | IIL.) IV. 
PLANTS. 
SporesandestemsrotiG/ara we wamen een cei sunset ey xX 
Salix (probably S. repens). Twigs and leaves. cress x 
INVERTEBRATA. 
CRUSTACEA (OSTRACODA). 
Cypris reptans, Baird (see Jones, Post-Tert. Entom. 1874, 
TOMY Ce) ey ret etan el A DP Pe LS oi gal a 
Candona compressa, Koch (20. p. 135). css Xx 
candida Miill. (26. p. 135). ssrseseeenee x 
INVERTEBRATA—MOLLUSCA. 
LAMELLIBRANCHIATA. 
Sphertum corneum, Linn. (Not very large, mostly young. )..... Xi eee a x 
SHCU Ste ANU Yio roy itus e uiemeeer ee es i ee x 
Pisidium amnicum, Mill. (Very abundant. Valves adh.) | x | x | x | x 
Jontinale, Drap. (Abundant. Valves adherent.) | x | x | x | x 
var. Henslowana, Sheppard. (Abundant 
ataGrantchestery) mmewerees scene ciency ian rer eee pra 8 AI Con x 
pusillum, Gmel. (In Mr. Dewick’s and also in 
Mr. Tomlin’s Collection from Barnwell Abbey. 
Several specimens in the Woodwardian Museum 
fromuGramtchesters) Mcrae nee 0 eX 
Corbicula fluminalis, Mull. (Usually of a small size. 
Great variety in size, shape, texture and sculpture. 
Very abundant at Barnwell Abbey and Grant- 
chester. Valves often adherent and ligament 
DT CSETV.CCIN) iene tre ncretere te tore MRNA MELE IS REA eed 6.1) 28 
Gnzoprctorceza, Nein ny yee sent taste nec ceseetee ts mS) |) 28 
———._. ———_ var. limosa, Nils. x x 
hitoralis, Lamk. = U. rhoniboideus, Schrot. (Great 
variation in size, shape and thickness. Both 
valves often adherent and ligament preserved. )..... Kx 
ATOM OPLG Spas \erstterstse esau ret atte esaaead ecgctect tiene aged tor ototatanvcet hee | here | eeeeeema Mee x 
GASTEROPODA. 
Bythinia tentaculata, Linn. (Varies much in size. Many 
young specimens. Opercula very common in 
places. Sometimes found still in the shell.) .......... Die cues x 
iyarovia marcipata, IMichwy ai (Raves )esenten ee eee x 
Valvata piscinalis, Mill. (Very abundant. Varies very much 
in size and shape. Many young specimens.) ..... Saori |fe bre I] sx 
eristala, Mill. (@Nioticommion.)) erect cissccrscvevesssstes Keath ieee xs 
Planorbis nitidus, Mill. = P. dineatus, Walker. Very rare. 
(One specimen in Mr. Tomlin’s Collection.) ..........| x 
————- fontanus, Lightf. = P. nitidus, Mill. (Jeff.) British 
Conchology, vol. i. p. 81. Mr. Dewick has a 
single specimen in his Collection, from Barnwell. | x 
ACIS (yy 01 a pease oa ae IT RAS aR AE A xd 
podabermalie tia. \(\VieGyaranes) ee ee eee ae re || 3x 
spirorbis, Mill. (Commonat Barnwell Junction.). | x | x ) x ) x 
Borpags, Meas) \ (OREN) kere cecemmoancemtineniasenams I OS |) 28 
CanimatusmiMnall ss ((Rares)iee crs onses Se Ul Seal) Ske 
complanatus, Linn. (Fairly abundant.) go 
