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 



