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CONTENTS 



Part LVII 

 Text : — Page 



Systematic 17 



Illustrations : — Plate 



354. Ammonites pectinatus 



(Pectinatites pectinatus) CCCLIV 



590. Ammonites rotundus 



(Pallasiceras rotundum) DXCa,b,c 



602. Ammonites pectinatus 



(Keratinites cornutifer) . . DCII 



632. Ammonites ziphus 



(Xipheroceras ziphus) DCXXXII 



633. Ammonites cordatus 



(Cardioceras costicardia . . . . DCXXXIll 



634. Amaltheus cordatus 



(Pachycardioceras robustum) . . DCXXXIV 



635. Ammonites excavatus 



(Anacardioceras delicatulum) .. DCXXXV 



636. Ammonites vertebralis 



(Vertebriceras costulosum) . . DCXXXVI 



637. Perisphinctes rotundus 



(Allovirgatites woodwardi) . . . . DCXXXVII 



638. Perisphinctes dorsoplanus 



(Allovirgatites distans) DCXXXVIII.A, B 



639. Ammonites rotundus 



(Lydistratites gibbosus) .. .. DCXXXIX,a,b,c 



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