VIVIPARIDA. 
. VivipaRa DECISA, Say (Paludina). Hald. 
p. 4. 
Faludina integra, Say. Hald., p. 10. 
Melania ovularis, Menke. Syn. Meth. 
134, 1830. 
Paludina microstoma, Kirtland. Ohio 
Report, 175, 1838. 
Paludina heros, De Kay. Moll. N. Y. 
85, 1843. 
Paludina Milesit, Lea. Proc. Acad. Nat. 
Sci. Philad. 156, 1863. 
Helix dissimilis, Wood. Index Test. t. 
7, f.18, 1828. No. 16. 
11. Vivirpara Nouani, Tryon. This work 
p. 25, 1869. No, 12. 
ViviparA RuFA, Haldeman, t. 3, f. 1, p. 3 
of wrapper of Part 38,1841. No, 8, 
(61) 
