EXPLANATION OF THE PLATES. 



Pi,ATE VI. — A. Balea Tristensis : B. Balea ventricosa. Sec 

 No. I. p. 61. 

 Figures 1 to 15, Helicinae ; explained in the present 

 Number, p. 251. 



Plate VII. — Fig. 1. Cyprasa lentigiuosa. 



2. aibuginosa. 



3. . turdus. 



4. arabicula, w. 4. 



5. — — sulcidentata, ?i. 20. 

 6. arenosa, n. 19. 



7. controversa, «. 15. 



8, maculata. 



9. — ■ pulchella, n. 14. 



10. picta. 



See No. L p. 71, and No. IL 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. 



6. \ 



7. r Melania setosa. See p. 253. 



8. ^ 



9. Fossil Bone. See p. 252. 



Plate IX. — Fig. 1. Asinus Burchellii. 



2. Hoof of ditto. 



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



Plate X. — Epcira curvicauda. See p. 224. 

 Plate XI. — Nyctinomus Braziliensis. Sec p. 233. 



