6568 
6569 
6570 
6571 
6572 
6573 
6574 
6575 
6576 
6577 
6578 
6579 
6580 
6581 
6582 
6583 
6584 
6585 
6586 
6587 
6588 
6589 
6590 
6591 
6592 
6593 
6594 
6595 
6596 
minuta, 
obtusa, 
piscinalis, 
Ss var., 
planorbis, 
prasina, 
pupoidea, 
pygmaea, 
sincera, 
spirorbis, 
tricarinata, 
s var., 
“ «“ 
unicarinata, 
attenuata, 
ciliata, 
Cincinnatiensis, 
cincta, 
elongata, 
grana, 
isogona, 
lapidaria, 
limosa, 
lustrica, 
pallida, 
porata, 
Sayana, 
abbreviata, 
achatina, 
achatina, 
acuta, 
Mad var., 
« “ 
fEgyptiaca, 
Drap., 
Rice 
Fer., 
Drap., 
Parr., 
Gould, 
Adams, 
Say, 
Drap., 
Say, 
De Kay, 
GENUS 
Hald., 
Gould, 
Lea, 
Gould, 
Say, 
Say, 
Say, 
Say, 
Say, 
Hald., 
Say, 
Anth., 
Mich., 
Lam., 
Sowb., 
Drap., 
Menke, 
oO 
et) 
GENUS PALUDINA. 
20 
2 
21 
278 
Hungary, 
Austria, 
France, 
France, 
Carinthia, 
Boston, 
Jamaica, 
Lake Champlain, 
France, 
New York, 
Boston, 
Erie Canal, 
AMNICOLA. 
Virginia, 
Liberia, 
Ohio, 
Burmah, 
Virginia, 
Ohio, 
Ohio, 
Ohio, 
Ohio, 
Vermont, 
Vermont, 
Ohio, 
Ohio, 
Lyons, 
France, 
France, 
France, 
Nile, 
Drap., pl. 1, f. 36, 38. 
Pfr. Syst. Anord., pl. 4, f. 32. 
Blain. Mal., pl. 34, f. 4. 
Drap. Moll., pl. 1, f. 14. 
C. Pirs dapli 4. 32: 
Poir., pr. p. 29, No. 1. 
Alten Syst., pl. 8, f. 16. 
Drap. Moll., pl. 1, f. 34, 35. 
Gould Invert., p. 226, f. 155. 
Conch. Contrib., p. 42. 
Long’s Exp., p. 264, pl. 15, f.11. 
Drap. Moll., pl. 1, f. 32, 33. 
Gould Invert., p. 225, f. 156. 
N.H. N. York, pl. 6, f. 129. 
Sowb. Gen., f. 2. 
N. H. N. York, p. 118. 
Gould; Haldeman. 
Hald. Mon. Cover, No. 4. 
Bost. Proc., vol. 3, p. 196. 
Trs. Am. Ph.S.,8, pl. 6, f 62. 
Proc. Bost. S. N. H., 2, p. 100. 
Jour. Ac. N.S., 2., p. 378. 
New Harm. Diss., 2, p. 277. 
JoursAcsINES; dps is: 
Jour. Ac. N.S., 1, p. 125. 
JourVAcHINGS) cap lia: 
Hald. Mon. Cover, No. 4. 
Jour. Ac. N. 8:2; p: 174. 
Hald. Mon. Cover, No. 4. 
Lamarck. 
Mich. Compl., pl. 15, f. 52, 53. 
Drap. Moll., pl. 1, f. 18. 
Sowb. Gen., f. 1. 
Drap. Moll., pl. 1, f. 23. 
Turt. Man., f. 123. 
Schroet. Fl., p. 319. 
is Valvata piscinalis, Fer. 
Helix piscinalis, Gmel. 
Cyclostoma obtusum, Drap. 
Valvata obtusa, Pfr. 
Turbo cristatus, Poiret. 
Helix fascicularis, Alten. 
is Valvata cristata, Mill. 
Valvata unicarinata, De Kay. 
Valvata carinata, Sowb. 
is Valvata tricarinata, Say. 
Cyclostoma Cincinnatiense. 
Paludina grana, Say. 
Melania isogona, Say. 
Cyclostoma lapidaria, Say. 
Paludina limosa, Say. 
Paludina lustrica, Say. 
Paludina porata, Say. 
is Paludina fasciata, Mull. 
is Paludina vivipara, Linn. 
Cyclostoma acutum, Drap. 
Paludina stagnorum, Turt. 
Paludina Balthica, Nilss. 
i aa 
