VI TABLE OP CONTENTS. 



Family 9. Nummulitidse — Continued. Page. 



Genus Polystomella 30 



striato-punctata 31 



subnodosa 32 



crispa 32 



macella 33 



craticulata 34 



sibirica 34 



Genus Amphistegina 35 



lessonii ' 35 



Genus Operculina 36 



complanata 36 



var. granulosa 37 



ammonoides 37 



Genus Heterostegina 38 



depressa 38 



Genus Nummulites 39 



cumingii 39 



Explanation of plates 41 



Index 45 



