te 
EXPLANATION OF THE PLATES. 527 
PLATE VIII. 
. Naticide. 
Page 
Peemanica canrena, L, sp. §. China... .covccsscsveccascessnee 200 
2. (Globulus) sigaretina, Lam. %. Tocene, Paris ...... 236 
3. (Cernina) fluctuata, Sby. 3. Philippines .......... 236 
4, Sigaretus haliotoides, L. sp. 3%. W. Indies .............- 236 
5. — (Naticina) papilla, Chemn, sp. Africa..... a wreteumiate 236 
6. Lamellaria perspicua, Mont. Mediterranean .............. 237 
7. Velutina levigata, L. sp. Britain....... PALE pa isis oteiat uae 237 
Seenaries cancellata, Chemn. sp. Pacific. .....vecessecseecsas 237 
9. Neritopsis radula, L. sp. Sandwich Islands ............+. 261 
Pyramidellide. 
10. Pyramidella auris-cati, Chem. sp. Mauritius ...... cevecees 200 
11. —————— (Obeliscus) dolabrata, Gmel. sp. W. Indies .... 238 
12, Odostomia plicata, Mont. sp. 2. Britain ....ssessseeeees 289 
13, Chemnitzia elegantissima, Mont. sp. r Weymouth ...... 239 
14, Eulima polita, L. Britain ...... vaioloytieseieiielstauayerolenemateianiatece 240 
15. Stilifer astericola, Brod. iS aeee J ataprats Aeenod docune ai 
Cerithiade. 
16, 16*. Cerithium nodulosum, Brug. 4. Moluccas .......... 242 
Lie (Bittiwm) reticulatum, Da Costa. Britain.... 242 
18. Triforis perversum, L. sp. Mediterranean ..........++..+. 242 
19. Potamides mixtus, Defr. Eocene, Paris .......0ssseeeeers 243 
20. ————~- (Pyrazus) palustris, Brug. 3}. India ........... . 248 
21 (Zerebralia) telescopium, Brug. }. India........ 243 
22, ——— ___ (Pirenella) mammillatus, Risso. sp. Mediterranean 243 
23 (Lampania) zonalis, Lam. Chusan ............4. 244 
24 (Cerithidea) decollatus, L. sp. Cape........seees » 248 
Melaniade. 
25, 25*. Melania amarula, L. sp. 3. Madagascar ........ seve 246 
26. (Melanatria) fluminea, Gm. sp. 4. Madagascar 247 
27. —— (Melafusus) fluviatilis, Say. %. U. States .... 247 
28. — (Anculotus) preemorsa, Say. U. States ........ 247 
29. (Vibex) fuscata, Gm. sp. Africa...... so tetera 247 
30. Melanopsis costata, Fér. Syria ..ssseseeeees SASS ae aie se,spceeey 
31. — — (Pirena) atra. L. sp. %. Ceylon ..... » ale a ARERR Tones 
