ON AFRODONTA MELV. AND TONS. 343 



fresher shell they can be seen as distinctly as in the types of 

 the preceding species, xllthough only bilamellatej this species 

 cannot be confnsed with bilaniellaris {M. & P.), which, in 

 addition to the basal fold, has its only other process on the 

 parietal instead of the outer wall. The sculpture of the 

 present species, though rather coarser than that of any other 

 known species of the section, is very much liner than that of 

 any species of Thauniatodon that I have examined. 



The types of the new species Avill be placed in the British 

 Museum. 



EXPLANATION OF PLATE XXIV, 



Illustrating Mr. H. C. Burnup^s paper " On Af rodonta Melv. 

 & Pons., with Descriptions of New Species." 



Figs. 1-6.— Eu do do lit a [Eiidodouta (Afrodonta)] perfida n. 

 name. 



Figs. 7-10. — Endodonta [Eiidodoiita (Afrodonta)] farquliari 

 n. sp. (Fig. 8 only is drawn from the type.) 



Figs. 11-13. — Endodonta [Eiidodonta (Afrodonta)] novem- 

 lamellaris n. sj). (Type.) 



Figs. 14-17. — Endodonta [Endodonta (Afrodonta)] inliluza- 

 niensis n. sp. (Type.) 



FiG'. 18. — Endodonta [Endodonta (Afrodonta)] bilaniel- 

 laris (M. & P.) 



