PLATE XXXIV. 



Jwense-zone (Dispansum-beds) . 

 Figs. 1, 2. — Grammoceeas S^manni {Dumortier), var. /3. 



Fig. 1. — Side view of a specimen with greater part of test preserved, but 

 without the hollow carina. Cam Down. My Collection. (Page 203.) 



Fig. 2. — Back view of the same specimen showing a shght " false " carina on 

 the core, the hollow carina having become detached. 



Figs. 3 — 5. — Geammooeras pallaciosum, var. Bingmanni {Denckmann). 



Fig. 3. — Side view of a specimen without test on the outer whorl, showing 

 unequal, sometimes very broad, ribs. Coaley Wood. My Collection. (Page 204.) 

 Fig. 4. — Aperture (in outline) of the same specimen. 

 Fig. 5. — Sutures of the same. 



Figs. 6, 7. — Grammoceeas quadratum (Haug). 



Fig. 6. — Side view of a young example. Coaley Wood. My Collection. 

 Fig. 7. — Front view of the same. (Page 201.) 



Figs. 8, 9. — Grammoceras Muelleri {Denckmann). 



Fig. 8. — Side view of a young example without test. Collected by Mr. E. 

 Wilson, F.G.S. Stinchcombe. My Collection. (Page 209.) 



Fig. 9. — Front view of the same. Only a portion of the hollow carina remains. 



Figs. 10, 11. — Grammoceras pallaciosum, -war. Cotteswoldi^, 8. BucJcman. 



Fig. 10. — Side view of a young specimen with very fine ribs, Coaley Wood. 

 My Collection. (Page 204.) 



Fig. 11. — Front view of the same. 



Jurense-zone (Striatulum-beds). 



Fig. 12. — Grammoceras toarcense {(VOrhigny), variety. 



Y\cf. 12. — Side view of a specimen with a very wide umbilicus, and showing 

 ribs joined in pairs occasionally. Buckholt Wood. My Collection. (Page 172.) 



