216 ME. "P. H. CABPENTEE ON THE GENUS SOLANOCEIKTTS. 



respectively. I am also greatly indebted to the Eev. P. B. Brodie, 

 M.A., F.Gr.S., who kindly sent me Act. cheltonensis for descrip- 

 tion ; and I take this opportunity of expressing my thanks to 

 all these gentlemen. 



EXPLANATION OF THE PLATES. 

 Plate IX. 



Figs. 1 and 2, Ant. costata = Solanoorinus costatus, Goldf., from Nattheim. 

 a, from the side ; b, from above. 

 Fig. 1. Copied from Goldfuss. 

 Fig. 2. From a specimen in the Woodwardian Museum, X 2. 



Fig. 3. Ant. truncata, n. sp., from Nattheim; side view, x4. British Museum. 



Figs. 4 and 5. Different forms of Ant. costata{?), Quenstedt ('Der Jura,' 

 pi. 88. figs. 9, 10). 



Fig. 6. Ant. canaliculata, n. sp., from Nattheim, x2. a, b, side views of exte- 

 rior of calyx (« without, and b with an external basal) ; c, side view 

 of interior, two radials having been removed. British Museum. 



7. Act. wurtembergica, n. sp., from Nattheim, X2. a, from side; b, from 



above. Woodwardian Museum. 



8. Ant. d? Orbignt/i, n. sp., from Nattheim, x3. Side views: — a, radials 



showing no outer dorsal surface ; b, dorsal surface of radials turned 

 up at the angle of the calyx so as to appear externally. British 

 Museum. 



9. Ant. complcmata, n. sp., from Nattheim, x3. Radials andbasals only : 



a, from side ; b, from beneath. British Museum. 



Plate X. 

 Fig. 10. Ant. Tessoni, n. sp., from side, X3. Argile de Dives, Vache Noire, 

 France. British Museum. 

 11. Ant. decameros, n. sp., from side, x3. White Jura, e, Nattheim. 

 British Museum. 

 Figs. 12, 13. Ant. depressa, n. sp., from Nattheim. 

 Fig. 12. Side view, X 4. 



Fig. 13. Another specimen, seen from dorsal side, X 5. 

 14-18. Ant. scrobiculata= Solanocrinus scrobiculatus, Goldf '. 



Figs. 14, 15. Side views of two specimens, copied from Goldfuss. 

 Fig. 16. Copy of Miinster's figure of a specimen described by him as 



S. Bronnii, but referred by Quenstedt to 8. scrobiculatus. 

 Figs. 17, 18. Two specimens from Streitberg, in the Woodwardian 

 Museum, X4. Fig. 17, a, from above; b, from side. Fig. 18. 

 Eadials and ba6als only : a, from side ; b, from beneath. 



Plate XI. 



Fig. 19. Ant. aspera, Quenstedt, sp. White Jura and Streitberg. a, from the 

 side ; b, from above ; c, from beneath : X 4. Woodwardian Mu- 



