EXPLANATION OF PLATE IIP 



Cristellakia cketacea Bagg p. 239 



1-2. Lateral view and longitudinal section, (x5). (After Bagg.) 

 J'iiiceiitown limesand, Viiicciitown. 



Cristellaria cultrata (Montfort), p. 239 



3. Lateral view, (xii). (After Bagg.) 



Cristellaria gibba d'Orbigny, p. 240 



4-5. Lateral and front peripheral views of a recent individual, 

 (xl2;'2). (After Challenger Report.) 



Cristellaria iTalica (Def ranee), p. 241 



6-7. Lateral and peripheral views, (.X22i-;). (After Bagg.) 

 Horiicrstozvn marl 



Cristellaria mamilligera Ivarrer, p. 242 



8. Lateral view of a recent individual, (xio). (After Chal- 

 lenger Report.) 



Cristellaria megapolitana (Reuss) p. 242 



9-10. Lateral and front peripheral views (x?). (After Reuss.) 



Cristellaria rotulata (Laniark) p. 243 



11-12. Lateral and front peripheral views of a recent individual, 

 (x6). (After Challenger Report.) 



Cristellaria wetiierelli (Jones) , p. 245 



13. Lateral view of a recent individual, (xg). (After Challenger 

 Report.) 



Cristellaria lrhjecta Bagg p. 243 



14-15. Lateral view and longitudinal section, (x5). (After Bagg.) 

 I'lnci'iitozi'ii Uincsaiid , J'iiici'iitowii. 



Fl.\i:ellina s.vgittari.v (Lea ) p. 247 



16-17. Lateral views of two individuals, (x2''2). (After Bagg.) 

 I'incciitO'wn limesand, J'inccntowii. 



PoLYjroRPHiNA co.MJiUNis d'Orbigny, p. 248 



18. Lateral view, (xiSji). (After Bagg.) 



J'iiicciitozvii Uincsaiid, Vinccntozvn. 



POLYMORPHINA EMERSONI Bagg, p. 249 



19. Lateral view, (xi6>j). (After Bagg.) 



Navcsink marl, Freehold. 



POLYJIORPHIA COMPRESSA d'Orbigny, p. 24S 



20. Lateral view of an Eocene specimen from Maryland, (x2o). 



(After Maryland Geological Survey.) 



PoLYMORPHiNA GIBBA (d'Orbigny) p. 250 



21. Lateral view of an Eocene specimen from Maryland, (X25). 



(After I\Iaryland Geological Suiwey.) 



88 5 



