J. S. GARDNER ON BRITISH CRETACEOUS PATELLID.E ETC.
193
columns an I denotes that the species is described from not more than two specimens, x that the species is comparatively abundant.
Patellid.e. Tectura tenuicosta, Z)' Orb.
tenuistriata, Seeley....
— foruiosa, N
plana, N
- Helcion Meyeri, N
tAnisoniyon vectis, N
- Scurria calyptrseiformis, N.
depressa, N.
Fissure llip.e. Emarginula neocomiensis, I/Orb.,
valangiensis, P. <$• C
puncturella, N
Gresslyi, P. ^ C.
divisiensis, N
sanctse-cathavinrc, Pass?/ ....
affinis (?), Sby
ancistra, N
Meyeri, N
unicostata, Seeley, MS.
- Puneturella antiqua, N
Calyptr<eid.e. Calyptrrea Cooksonia?, Seeley .. (C. sanctse-crucis, P. $ C.)
concentrica, N
Grayana, Tate
Crepidula gaultina, Bn v
alta, Seeley
chamseformis, N
- Crucibuluni giganteum, N
Capulid.e. Pileopsis neocomiensis, N ..
dubia, N
Seeleyana, N
Hippouyx Dixoni, Desk., N
£h
3
ft"
c5
-S3 Q
X
PATELLID.E.
Lower Greensand.
PI. IX. figs. 10,
Tecttjra pormosa, sp. n. 11, 11a.
Shell depressed, thin ; apex minute, situated 1 anterior ; sculp- ture consisting of about fifty very finely tuberculated ribs, between which are slight, radiating, simple, parallel strige. Neither the ribs
Q. J. G. S. No. 130. o