376 EXPLANATION OF PLATES. 
PLATE VIII. 
Fig. 1. Arion empiyicorum, collapsed. Fig. 2. Var. 8., extended. 
Fig. 3. Limax carinatus and its internal shell of the natural size, 
and magnified. . 
Figs. 4, 5 and 6. Teba Carthusianella and its animal. 
Fig. 7. Clausilia Rolphii. 
Figs. 8 and 9. Azeca Matoni and its animal. 
Fig. 10. Vertigo palustris and its animal. 
PLATE IX. 
Fig. |. Temesia variabilis. Fig. 2. Trochus Montagui. 
Fig. 3. Epheria Goodallu. 
Fig. 4. Assiminia Grayana with its animal. Fig. 5. The Operculum. 
Fig. 6. Turbo sulcatus. Fig. 7. Margarites diaphana. 
Fig. 8. Scalaria clathrus with its animal. 
Figs. 9 and 10. Scalaria Turtoniana. 
Fig. 11. Zippora Drummondiana. 
PLATE X. 
Fig. 1. Hima levigata. Fig. 2. Bela lineata. 
Fig. 3. Fusus asperrimus. Figs. 4 & 5. Cemoria Flemingiana. 
Fig. 6. Cemoria Montaguana. Fig. 7. Chiton punctatus. 
Fig. 8. Acanthocheetes vulgaris. 
PLATE XI. 
Figs. 1-7. Cadmusia Solanderia, adult and young. 
PLATE XII. 
Figs. 1 & 2. Magdalia striata. Figs. 3 & 4. Lembulus sulcatus. 
Figs. 5-7. Autonoé rubra. Fig. 8. Hermione laminosa. 
Fig. 9. Modiola Prideauxiana. Figs. 10-13. Corbula nucleus. 
PLATE XIII. 
Figs. 1 & 2. Terebratula striata. Figs. 3-5. Terebratula glabra. 
Figs. 6-8. Criopus Orcadensis. 
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