U4 
EXPLANATION OF PLATE XXY. 
Fig. 1. Loxoconcha cuneiforms. 
Fig. 2. ,, 
Fig. 3. Paradoxostoma truncatum. 
Fig. 4. ,, 
Fig. 5. By thocy there pavo. 
Fig. 6. >> 
Fig. 7. >> 
Fig. 8. Cytherideis foveolata. 
Fig. 9. » 
Fig. 10. „ 
Fig. 11. >> 
Fig. 12. >> 
Carapace of male, seen from left side 
Carapace of male, seen from above 
Carapace of female, seen from left side. 
Carapace of female, seen from above. 
Carapace of female, seen from left side. 
Carapace of female, seen from above. 
Carapace of female, seen from below. 
Carapace of female, seen from left side. 
Carapace of female, seen from above. 
Carapace of female, seen from below. 
Carapace of male, seen from left side. 
Carapace of male seen from above. 
