ABE We 
The following species of Gasteropoda are quoted from the Bajocian (Oolitic facies) of the region 
lying to the west of the Central Plateau in France. 
Inferior Oolite Nerinzas have been identified in that region. 
Actwonina, species. 
Cylindrites exiguus, Lycett. 
oe excavatus, Morris and Lycett. 
—- bullatus, Morris and Lycett. 
Cerithium, species. 
Ewelissa, species. 
Ceritella, species. 
Brachytrema subvaricosum, Hudleston. 
Nerina Oppelensis, Lycett, very common. 
— Cotteswoldix, Lycett, very common. 
— deducta, Hudleston. 
—  oolitica, Witchell. 
—  expansa, Hudleston, fairly common. 
—  campana, Hudleston. 
— acicula, @Archiae. 
—  subbrevivoluta, Hudleston. 
—  pisolitica, Witchell. 
—  deducta, Wudleston. 
—  subbruntrutana, VOrbigny. 
— __ elegantula, d’ Orbigny. 
— species. 
Aptyviella, species. 
Turritella (Mathilda) opalina, Hudleston. 
Pseudomelania Niortensis, VOrbigny, common. 
It is interesting to observe how many of our 
Pseudomelania Astonensis, Hudleston. 
— lineata, d’Orbigny. 
Purpuroidea, cf. nodulata, Young and Bird. 
Pleurotomaria, species. 
Rissoina, species. 
Natica Bajocensis, V Orbigny. 
Nerita, species. 
Neritopsis sulcosa, d’ Archiae. 
Pileolus, cf. radiatus, d’Orbigny. 
Phasianella acutiuscula, Morris and Lycett 
(= Ph. conica, M. and L.). 
Turbo, ef. Calypso, d’ Orbigny. 
Amberleya, species. 
Trochus, species. 
Delphinula, species. 
Discoheliz, species. 
Trochotoma tabulata, Morris and Lycett. 
Ditremaria, species, 
Fissurella, species. 
Emarginula, species. 
Scurria squamula, Deslongchamps. 
—  nitida, Deslongechamps. 
Patella (Helcion) rugosa, Sowerby. 
1 «Bulletin des services dela Carte Géologique de France’ (No. 50), vol. viii (1896-7), p. 118, 
Dr. Glangeaud. 
