SUPPLEMENT, PLATE IIL 



devonian. 

 Fig. 



1, \a,b. Meganteris? Vicaryi, Dav. Mid. Dev., Woolborough, near Newton Abbot. Coll. of 



Mr. W. Vicary. (P. 20.) 



2, 3. Strinyocephalus Burtini, Def. Mid. Dev., Lummaton. Coll. of Mr. Lee. 3. A young 



specimen. Mid. Dev., Orchard Quarry, near Dar- 

 lington. Coll. of Mr. A. Cliarapernowne. (P. 19.) 

 4. (Incites gryphus, Def. A perfect specimen showing no lateral pouches. Mid. Dev., 



Orchard Quarry, Dartington. Coll. of Mr. A. 

 Champernowne. (P. 30.) 

 5 — 10. ,, ,, „ 5, 6. A fragment of dorsal valve showing cardinal process, 



pouch-shaped cavities, and two grooved ridges. From 

 Orcliard Quarry, Dartington. Albert Memorial 

 Museum, E.xeter. 7, 8, 9. Enlarged. 7, 8. Profile 

 view ; a, cardinal process; b, two grooved elongated 

 ridges ; c, lateral pouches. 9. Back of ventral valve 

 showing cardinal process (a). 10. Sections in a 

 boulder of black marble. Found at Petit Tor Beach, 

 near Torquay. Museum of the Torquay Natural 

 History Society. (P. 30.) 



11, 11a, 6, c, 12. Skenidium areola, Quenstedt, sp. {Mystrophora areola, Kayser). 11. Nat. size. 



\\a,b. Enlarged, lie. Portion of shell magnified. 

 12. Longitudinal section enlarged to show dorsal 

 septum («). (P .49.) 



13, 14. „ „ „ An Eifel specimen, after Kayser. 13. Interior of 



dorsal valve, showing large semicircular hinge-plate 

 and septum. 14. Section of dorsal valve to show 

 septum. (P. 49 ) 



15. Strophomena rhomboidales, var. nodulosa, Phillips. Mid. Dev., Lummaton. Coll. of 



Mr. Whidborne. (P. 52 ) 



16. 16 a,b, c,d, e. Orthis Eijliensis, de Vern. 16. Nat. size. Mid. Dev., Lummaton. 16 a, b, c. 



Enlarged. \6d. Seen from the beaks to show area. 

 16 e. Portion of shell enlarged. (P. 50.) 



17. 17a. „ tef.ragona, (ie Vern. Mid. Dev., Ashridge, near Totnes. Coll. of Mr. A. 



Champernowne. (P. 51.) 



18. ,, ? Champernownei, Drv. Calcareous shales, Meadfoot, near Torquay. Coll. of 



Mr. Champernowne. (P. 52.) 



19. ? „ Pengelliana,Da.v. Meadfoot, near Torquay. (P. 51.) 



20. Streptorhynchus umbraculum, Schloth. Mid. Dev., Hope's Nose. Coll. of Mr. Whid- 



borne. 



21. Leptaniu interstrialis, Phil. Mid. Dev., Lummaton. Enlarged. Coll. of Mr. 



Whidborne. 



22. Froductus subaculeatus, Murch. A fragment of ventral valve, showing sj)ines half an 



inch in length. Mid. Dev., Hope's Nose. Coll. of 

 Mr. Whidborne. (P. 54.) 



23. 23 a. Chonetes ? Phillipsii, Dav. 23. Ventral valve enlarged. 23 a. Portion of shell 



magnified. Mid. Dev., Lummaton. Coil, of Mr. 

 Whidborne. (P. 54.) 



24. „ Hardrensis, Pliil. From Mid. Dev., Hope's Nose. Coll. of ]\[r. Whid- 



borne. (P. 54.) 



