PLATE I. 
Glandulina levigata, side view 
~ — _ end view, showing aperture 
Nodosaria raphanus, side view (slender form) 
—_ — end view, showing aperture 
—  raphanistrum side view (a fragment) 
— —_ end view 
— — side view (Gea perfect specimen) 
Dentalina obliqua, side view 5 ; 
Vaginulina linearis, side view 
— — end view, showing central aperture 
—_ —— ” eccentric aperture . 
Dentalina pauperata, side. view (of irregular growth) 
a — end view, showing broken aperture . 
_—. ~ side view (large specimen) 
—_— — end view, showing aperture 
_ _ side view 5 
— —_— end view, showing aperture 
— obliquestriata, side view 
— _ pauperata (of compact growth) 
Marginulina raphanus, side view 
Nodosaria —_ side view, much enlarged 
— — outline 
Cristellaria cultrata, side view 
_— — edge view 
Marginulina glabra, side view 
Lagena apiculata, side view 
— levis, side view 
—  ornata, side view 
—_ — side view, much enlarged 
— — edge view, much enlarged 
—  globosa, side view . 
— marginata, side view 
— — end view, showing aperture 
— melo ° . e 
— gracillima 
— — _ portion of shell-wall of same, more highly magnified showing 
tubular structure 
— _ striata, side view 
— — end view, showing aperture 
a ouleatas a nee } (tending towards L. striata) 
— — side view (strong form) - 
_— — end view, showing aperture . 
A chamber of Nodosaria raphanistrum (a “ derived” fossil) 
—_ — end view 
Polymorphina gutta, side view . 
— — side view 
— lactea, side view : 5 
—_— gibba, side view ° . 
— — side view 
— — end view, showing aperture 
a= complanata, side view . 
— — end view, showing aperture 
— compressa, side view . : 
Dimorphina nodosaria, side view . 
— — side view ° 
— — end view, showing aperture 
— side view C 
Polymorphina Thouini, side view 
oo complanata, side view . 
Dimorphina nodosaria, side view (short individual) 
Polymorphina frondiformis, side view 
— _ end view, showing aperture 
_ problema, side view > 
— compressa, side view 
Dimorphina tuberosa, side view 
Polymorphina variata, interior 
— — side view 
— Srondiformis (small), side view 
— tubulosa . : 
a= — portion of perforated septum 
— compressa (interior) . c 5 
_ —_ radiated aperture 5 
— — simple aperture communicating between the chambers 
= _ portion of shell-wall, showing its minute structure 
Magnified. 
x 
XXXKKKXKXKKXK KK KX KKXKK KX XK KX KX KKKKXKXKKXK KX XK KKXKXKXKKXKKXKKX KX XKKKXXXXKXKKXKX KX KKKKKK 
} 
x 12 diam. 
Locality from which the 
figured specimen was taken. 
Sutton. 
Sutton. 
Cardita senilis Crag. 
Clacton. 
”» 
Sutton. 
