PLATE VIII. 



All figures natural size, and from the Red Crag Nodule-bed, except 14, a, 6, which 

 are half natural size, and from the Coralline Crag. 



1. EUCETUS AMBLYODON, Du Bus. Tooth, longitudinal section 



showing outer layer of cementum and thick core 

 of dentine, with globular dentine in the middle. 

 Woodbridge. M. P. G. 



2. EUCETDS AMBLYODON, Du Bus. Transverse section of a 



tooth with very thick cementum. Woodbridge. 

 M. P. G. 



3. EUCETUS AMBLYODON, Du Bus. Left periotic, tympanic 



aspect, after Lydekker. Felixstow. No. 27,854, 

 Brit. Mus. 



4. HYPEROODON. Right periotic, tympanic aspect. After 



Lydekker. Ipswich Mus. 



5. ORCA CITONIENSIS, Capellini. Right periotic, tympanic 



aspect. Woodbridge. M. P. G. 



6. CHONEZIPHIUS PLANIROSTRIS, Cuvier. Left periotic, tym- 



panic aspect. Woodbridge. M. P. G. 



7. MESOPLODON LONGIROSTRIS ? Cuvier. Left periotic, tym- 



panic aspect. Woodbridge. M. P. G. 



8. GLOBICEPHALUS UNCIDENS, Lankester. Left periotic, tym- 



panic aspect. Woodbridge. M. P. G. 



9. GENUS ? Right periotic, tympanic aspect. Woodbridge. 



M. P. G. 



Delphinoid periotics (" 



not generically Left - Felixstow. M. P. G. 



determined; < Left. Woodbridge. M. P. G. 



ci, inner face, Left> B t(m M p Q 



6, tympanic aspect. ^ 



Delphinoid right tympanic. Boy ton. M. P. G. 



TURSIOPS TURSIO ? Bonnaterre. Middle caudal vertebra; 

 0, end view, 6, side view. Coralline Crag, Broom 

 Pit, Gedgrave. Presented by Mr. Clement Reid to 

 M. P. G. 



15. SQUALODON ANTWERPIENSIS, V. Beneden. Side tooth. 



Suffolk. Reed Coll., York Mus. 



16. SQUALODON ANTWERPIENSIS ? V. Beneden. Anterior tooth, 



two views. Reed Coll., York Mus. 



