APPENDIX 



PLATE A. 



RECENT AND TERTIARY. 

 Fig. 



1. Waldheimia (Ter.) cranium. Interior of the dorsal or socket valve; to replace 



• Part I, PI. I, fig. 8". 



2. Terebratula bisinuata, Lamarck. Barton Cliff, Hampshire. 



3 to 5. Lingula tenuis, Sow. Pigs. 3, 4, nat. size; 5, enlarged, from an unpublished 



figure of Mr. WetherelPs. London Clay, Highgate. 



OOLITIC AND LIASIC SPECIES. 



6. Thecidium Deslongchampsii, Dav. Leptsena Bed, Ilminster. 

 Q ahc „ „ Enlarged. 



7, 8. Terebratula Etheridgii, Dav. Inferior Oolite? Dundry. 

 9. ,, equestris, D'Orb.? Grip. Wood? 



10 to 13. ,, ? perhaps, a var. of T. spharoidalis, Sow., Dundry. 



14. ,, Phillipsii, Morris. Cleeve hill, in the collection of Dr. Wright. 



15. „ galeiformis, M'Coy, M.S. = T. sub-Bentleyi, Dav. Inferior Oolite, 



near Minchinhampton, in the Cambridge Museum. 



16. ,, sphgeroidalis, Sow., var. Chideoch Hill, in the collection of Dr. 



Wright. 



17. „ carinata, Lamarck, var. Inferior Oolite, Ravensgate hill, near 



Cheltenham, in the collection of Dr. 

 Wright. 



18. ,, globata, Sow. A very elongated variety, from Inferior Oolite, 



Minchinhampton, in the collection of Mr. Lycett. 



19. ,, sub-maxillata, Morris. Young; much resembles the T. penta- 



hedra, Munster. 



20. 21. Rhynchonella Hopkinsi, M'Coy. The original specimen, in the Cambridge 



Museum, in all probability not British. 

 22. ,, quadriplicata, Zeiten. Inf. Oolite, Cleeve Hill, near Cheltenham. 



23 to 26. „ sub-decorata, Dav. Inferior Oolite, Birdlip Hill, Gloucestershire; 



a series of ages, and varieties. 

 27. ,, Wrightii, Dav. A variety with four plaits on the mesial fold. 



28; ,, ? labelled. Dundry, in the British Museum. 



INTRODUCTION. 



29. Chonetes comoides, Sow. sp. Interior of the ventral or dental valve, a, adduc- 



tor; c, cardinal muscular impressions. (See 

 Appendix, p. 6.) 



