72 VIVIPARIDA. 
4, Lroptax Exuiormm, Lea. See Plate 15, 
No. 4. No. 2. 
5. VIVIPARA DECISA, Say. See plate 12, figs. 
8,9. 
Paludina Milesii, Lea. (Figured.) 
No. 16, 
6. ViviparA OBESA, Lewis. This work, p. 25, 
1869. 
Melantho decisa, Binney. L.& F. W. 
Shells, pt. 3, p. 47,1865. No, 13, 
7. VivipARA COARCTATA, Lea. See plate 15, 
fig. 1. 
Vivipara exilis, Anthony, figured. 
No. 21. 
8,9, 10. Vivipara Lima (Paludina), Anthony. 
Proc. Acad. Nat. Sci. Philad. 70, 
1860. 
Reeve, Conch. Icon. f. 46 b, 1863. 
Melantho coarctata, Lea. Binney, L. & 
F. W. Shells, Pt. 3, 54, 1865. 
No. 20. 
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