Plate XXXVIII. 



FIGS. PAGE 



1. Fseadomelania (Oonia), sp. ... ... ... ... ... ... 313 



Museum of the Geological Society of London, No. 11,386. 



2, 3. Scala ornata(Bai\y) 314 



2. Spire. 



3. Part of last whorl of the Type in the Museum of the Geo- 

 logical Society x 4. 



4,5. Solarium Bailiji, G'Ahh ... ... ... ... ... ... 315 



4. Apical view x 3. 



5. Base x 3. 



Q-S. Natica (Litnatia) ))iiiUititriata,Bsii\y 316 



8. Griesbach Collection. 



9, 10. Gyrodes, sp 317 



10 Griesbach Collection. 



11,12. TiirriteUa{Zaria)Bonei,B-Ai\y 317 



11. Variety with five ribs. 



12. Variety with three ribs. Griesbach Collection. 



loa-c. A2}orrhais, s]). 318 



13c, part of one of the whorls of the spire x 4. 



lAa,b. Dicroloma {Pcrissojjtera), s]i. ... ... ... ... ... 319 



14?), part of one of the whorls of the spire x 6. 



15a, b. Fiignellu8 auriciilatus, a-p. now ... ... ... ... ... 319 



16. Pugnellus, sp. Griesbach Collection ... ... ... ... 320 



17. Pi/ro2)sis africaiia, a-p. no\. ... ... ... ... ... ... 322 



