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CONTENTS 



Part LVI 



Text : — Page 



Terminology 5 



Systematic 7 



Illustrations : — Plate 



353. Ammonites rotundus 



(Lydistratites lyditicus) CCCLIIIc, d 



520. Olcostephanus triplicatus 



(Kerberites kerberus) DXXa, b 



622. Bigotites thevenini 



(Bigotites trifurcatus) * DCXXII 



623. Stephanoceras pseudoprocerum 



(Zigzagiceras pseudoprocerum) . . . . DCXXIII 



624. Stephanoceras subprocerum 



(Zigzagiceras subprocerum) DCXXIV 



625. Cosmoceras duncani 



(Bikosmokeras geminatum) DCXXV 



626. Cosmoceras dvmcani 



(Kuklokosmokeras kuklikum) . . .. DCXXVIa, b 



627. Ammonites vertebralis 



(Sagitticeras cariniferum) DCXXVII 



628. Cardioceras suessi 



(Anacardioceras expositum) . . DCXXVIIIa, b 



629. Cardioceras maltonense 



(Anacardioceras secundarium) . . DCXXIX 



630. Cardioceras excavatum 



(Anacardioceras delicatum) .. .. DCXXX 



631. Ludwigia romanoides 



(Sonninites simulans) DCXXXI 



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