Kingthrope.
Northampton.
Duston " Old."
Duston Ironstone.
Blisworth & Gayton.
Lima cardiiformis, Sow.
,, deltoidea, nov. sp., Etheridge, MS.
„ duplicata, Sow.
,, dustoniensis, nov. sp., Eth. MS.
„ electra
„ (with Polyzoon, sp.)
„ grandis ?, non Roemer
„ gigantca?, non Sow.
" ? var.
" impressa, Mor. & Lyc.
" interstincta, Phil.
" luciensis?, D' Orb.
" pectiniformis, Schloth.
" Pontonis, Lyc.
" punctata, Sow.
„ rigida?, Sow.
„ rudis, Sow ,
„ Sharpiana*, Etheridge, MS. (a new smooth sp.)
,, sp. ? (rectangular)
Ostrea costata, Sow.
„ gregaria, Sow.
„ Marshii, Sow.
„ Meadii, Sow.
„ subrugulosa, Mor. & Lyc.
„ flabelloides, Lam.
„ sp.?
Pecten arcuatus, Sow.
„ articulatus, Schlot.
„ clathratus, Roemer
„ demissus, Phil.
„ lens, Sow.
" liasianus, Nyst (corneus of Goldf. non Sow.)
" personatus, Ziet
" small sp.?
Perna rugosa, Goldf.
,, quadrata, Phil.
Pteroperna costatula, Deslongch.
„ gibbosa, Lyc.
" plana, Mor. & Lyc.
- Mr. Etheridge, in this name, has kindly complimented the author of this Memoir.
