6 
SHEPPARD : INTER-GLACIAL GRAVELS OF HOLDERNESS. 
The following is a list of the shells I have been able to obtain 
up to the present. I do not doubt but that a more careful search 
will bring to light almost the whole of those that are recorded from 
Kelsey Hill.- 
CONCHIFERA. 
Astarte borealis, Chf/nin. 
Cardium edule, L 
Cyprina islandica, Lam. 
Cyrena (Corbicula) fluminalis, Midler. 
Mactra solida (var. ovalis), L. 
„ subtruncata, Da C. 
Mya truncata, L. 
Mytilus edulis, L. 
Ostrea edulis, L. 
Pholas crispata, L. 
Tapes decussata, L. 
TelHna balthica, L. 
Gasteropoda. 
Buccinum undatura, L. 
Fusus (Trophon) antiquus, L. 
scalariformis (clathrata), Gould. 
Littorina littorea, Linn. 
Nassa reticulata, L. 
Natica clausa, Brod. and Sow. 
Pleurotoma turricula, Mont. 
Purpura lapillus, L. 
Scalaria communis, Lam. 
Turritella terebra, L. 
SOLENOCONCHIA. 
Dentalium entalis, L. 
CiRRIPEDIA. 
Balanus crenatus, Brug. 
Cyrena fluminalis is one of the most plentiful, and is by far the 
best preserved, as nearly every specimen is perfect, but it is worthy 
of note that I have never found an example with the valves in 
* Geology of Holderness. Page 70. 
