AMNICOLIDA. 81 
Paludina pallida, Lea. Trans. Am. 
Philos. Soe. vi, 22, t. 23, f. 104, 1839. 
No. 2. 
12. SomaToGyrus DEPRESSUS, Tryon (Amni- 
cola). Proc. Acad. Nat. Sci. Philad. 
452, 1862. 
Binney, l. c. 77, 1865. No. 3. 
13. Somatogyrus CuRRIERIANUS, Lea. Proc. 
Philad. Acad. 156, 1863. Observa- 
tions, xi, 142, t. 24, f.118. No, 4, 
14. SomaroGyrus AUREUS, Tryon. Am. Jour. 
Conch. 1, 220, t. 22, f. 9, 1865. 
No. 5. 
15. SomMAToGYRUS PARVULUS, Tryon. Am. 
Jour. Conch. 1, 221, t. 22, f. 10, 
1865. No. 6. 
16. SomATOoGYRUS INTEGER, Say (Melania). New 
Harm. Dissem. 11, 276, 1840. 
Binney 1. c. 79, 1865. 
Leptoxis integra, Hald. Monog. Chenu 
Illust. t. 5, f. 154. 
Paludina fontinalis, Philippi, Neuer 
Conchyl. ii, 5, p. 2, t. 2, f. 9, 1846. 
fe2) , No. 7. 
