EXPLANATION OF THE PLATES. 



Plate VI. — A. Balea Tristensis : B. Balea ventricosa. See 

 No.I. p. 61. 

 Figures 1 to 15, Helicinae ; explained in the present 

 ]>^umber, p. 251. 



Plate VII. — Fig. 1. Cypraea lentigiuosa. 



2. albuginosa. 



3. • turdus. 



4. arabicula, 7i. 4. 



5. sulcidentata, ii. 20. 



6. arenosa, n. 19. 



7. controversa, n. 15. 



8. maculata. 



9. — — — pulchella, ?j. 14. 



10. picta. 



See No. I. p. 71, and No. II. p. 137. 



Plate VIII. — Fig. 1. Isodon Pilorides, cranium 



2. , a row of teeth. 



3. , tooth of the superior jaw, exte- 

 rior view. 



4. , ditto, interior view. 



5. , ditto, anterior side. See p. 227. 





7. ^ Melania setosa. Sec p. 253. 



8. 



9. Fossil Bone. Sec p. 252. 



Plate IX. — Fig. 1. Asinus Burchellii. 



2. Hoof of ditto. 



3. Jloof of Asinus Zebra. See p. 247. 



Plate X. — Epcira curvicaudu. Sec p. 224. 

 Plate XI. — Nyctiuonms Brazilicnsis. Sec p. 233. 



