6267 
6268 
6269 
6270 
6271 
6272 
6273 
6274 
6275 
6276 
6277 
6278 
6279 
6280 
6281 
6282 
6283 
6284 
6285 
6286 
6287 
6288 
6289 
6290 
6291 
6292 
6293 
6294 
6295 
6296 
6297 
6298 
6299 
6300 
6301 
6302 
6303 
catascopium, var., 
“ 
“cc 
chalybea, 
coarctata, 
columella, 
compacta, 
cornea, 
corvus, 
Dalmatina, 
decollata, 
delicata, 
desidiosa, 
6s var., 
“ “ 
diaphana, 
elodes, 
elongata, 
elongata, 
emarginata, 
exilis, 
expansa, 
ferruginea, 
filograna, 
fossaria, 
fragilis, 
var, 
‘ « 
“cc “ 
fuliginosa, 
fusca, 
glaber, 
glabrata, 
glutinosa, 
gracilis, 
Groenlandica, 
humilis, 
oe vars 
‘ &e 
intermedia, 
jugularis, 
Gould. 
Lea, 
Say, 
Ziegl., 
Val., 
Gmel., 
Parr., 
Mighels, 
Menke, 
Say, 
Ziegl., 
Say, 
Say, 
Drap., 11 
Say, 
Lea, 
Hald., 
Hald., 
Menke, 
Turtt., 12 
Linn., 3 
Parn:, 
Pir, 
Mill., 
Hartm., 
Drap., 20 
Jay, 
Say, 
Fer., 10 
Say, 
269 
Wisconsin, 
Unity, Maine, 
Massachusetts, 
Rhode Island, 
Massachusetts. 
Woburn, 
Cambridge, 
Rhode Island, 
Cayuga Lake, 
New York, 
Dalmatia, 
United States, 
Hungary, 
Dalmatia, 
Maine, 
Sicily, 
New York, 
Massachusetts, 
Pennsylvania, 
Sicily, 
New York, 
New York, 
France, 
Maine, 
Ohio, 
Vermont, 
Oregon, 
Sicily, 
England, 
France, 
England, 
New York, 
Dalmatia, 
Dalmatia, 
England, 
Milan, 
Germany, 
Vermont, 
Greenland, 
New York, 
Maine, 
Ohio, 
France, 
New York, 
Humb. et Bonpl., 2, p. 251. 
Jour. Ac. N.S., 2, p. 1238. 
Jour. Bost. 8. N. H.,4,p.45,336. 
Gould Invert., p. 216, f. 145. 
Proc. ‘Am. PhS; 2) p: 33. 
Hald. Mon., pl. 12. 
Sillim. Jour., 39, p. 874. 
Gould Invert., p. 216, f. 145. 
Proc, Am. Ph.tS!, 2; p83. 
Jour. Ac. N.S., 2, p. 170. 
Humb. et Bonpl., 2, p. 251. 
Humb. et Bonpl., 2, p. 251. 
Rossm., p. 96, f. 2. 
Hald. Mon., pl. 14. 
Menke Syn., ed. 2, p. 38. 
Hald. Mon., pl. 10. 
rs, AnePh. S.; 5; pl. losesl. 
Proce: Aim. Ph. S!, 2, p. 32! 
Rossm., 1, p. 98, f. 2. 
Hald. Mon., pl. 6, pl. 15. 
Jour-FAcyIN. Sci:, 2, ps 167: 
Sowb. Gen., f. 6. 
Hald. Mon., p. 10, pl. 2. 
Trs. Am. Ph. S., 5, pl. 19, f. 82. 
Hald. Mon., pl. 9, f. 6-8. 
Hald. Mon., pl. 18, f. 19, 20. 
Villa Cat. Disp., p. 32. 
Turt. Man., p. 124, f. 108. 
List. C., pl. 124, f. 24. 
Drap. Moll., pl. 2, f. 40, 42. 
Rossm., f. 50. 
Drap. Moll., pl. 3, f. 1, 2. 
Villa Cat., 1841, p. 31. 
Pfr. Land. andS., 1, pl. 4, f. 25. 
Schroet. Fluss., pl. 7, f. 15. 
Hartm. G., p. 79, pl. 9. 
Turt. Man., f. 103. 
Hald. Mon., pl. 13, f. 21. 
Hald. Mon., pl. 18, f. 1-8. 
Jour: AGN. 8:5; p: 122: 
Proc. Am. Ph. S., 2, p. 33. 
Mich. Compl., pl. 16, f. 17, 18. 
Hald. Mon., pl 4. 
Lymnaea cornea, Val. 
Lymnaea pinguis, Say. 
Lymnaea decollata, Mighels. 
is Lymnaea columella, Say. 
is Lymnaea columella, Say. 
Lymnaea acuminata, Adams. 
Lymnaea chalybea, Gould. 
Lymnaea coarctata, Lea. 
Lymnaea macrostoma, Say. 
. 
is Lymnaea catascopium, Say. 
is Lymnaea fragilis, Linn.’ 
is Lymnaea catascopium, Say. 
is Lymnaea filograna, Menke. 
Lymnaea acuta, Lea. 
Lymnaea Philadelphica, Lea. 
Lymnaea pereger? Drap. 
Lymnaea umbrosa, Say. 
Lymnaea leucostoma, Lam. 
is Lymnaea ecatascopium, Say. 
is Lymnaea reflexa, Say. 
is Lymnaea truneatula, Mull. 
Lymnaea palustris, Drap. 
Lymnaea speciosa, Ziegl. 
Lymnaea corvus, Parr. 
Lymnaea fragilis? Linn. 
is Lymnaea pereger, Drap. 
Acella gracilis, Hald. 
Lymnaea modicella, Say. 
Lymnaea parva? Lea. 
