SUPPLEMENT, PLATE XXVI. 



Fig. 



1, 2. Hhynchonella inconstans, Sow. Young and adult. Typical form. 1. Kim- 



meridge Clay, Weymouth. 2. Kimmeridge Clay,. 

 Wootton Basset. Collection of Mr. Walker. 

 (P. 191.) 



3 — 6. „ „ var. with fewer plaits. 3. A symmetrical specimen,. 



the mesial fold occupying the central lobe of the 

 shell. Kimmeridge Clay, Wootton Basset. 4, 5. 

 Unsymmetrical examples with a few large ribs. 

 4. Wootton Basset ; 5, Shotover Hill, Oxford. 

 Collection of Mr. J. Parker. 6. A young, flattened 

 example from same locality and collection. (P. 191.) 



7. „ pinguisy Roemer (?). A specimen apparently agreeing with 



Roemer's figures. Supra- Coralline, Abbotsbury, 

 Dorsetshire. Collection of Mr. Hudleston. 

 (P. 193.) 



8 — 12. „ „ var. pectunculoides, Etalon. A series of specimens 



showing some of its principal modifications in 

 shape. Supra-Coralline, Abbotsbury, Dorsetshire. 

 8, 9. Prom Collection of Mr. Hudleston. 10, 11, 

 12. Prom that of Mr. J. P. Walker. (P. 194.) 



13,14. „ lacunosct) Schl. (?). 13. Lower Calcareous Grit, Beedall, Wykham. 



Museum of School of Mines, London. 14. Oliver's 

 Mount, Yorkshire. Collection of Mr. Hudleston. 

 (P. 196.) 



15, „ Boueti, Dav. Cornbrash, Langton Herring, near Weymouth. 



Collection of Mr. J. F. Walker. (P. 197.) 



16 „ „ Prom Bradford Clay, or Porest Marble, Burtonbrad- 



stock, north-east of Bridport, in Dorsetshire. Col- 

 lection of Mr. D. Stephens. (P. 197.) 



