238 
Ampullaria urceus, L .........195 
Anatina papyratia, July 1822, J. A. ii. 314 ..104 
Anculosa, Say. Jan. 1821, J. A, ii. p. 178 71 
praerosa, Jan. 1821, J. A. ii. 177 70 
Anculotus subglobosa, Sept. 1825, J. A. v. 128 .116 
Ancylus, N. E. 3 ed. J. A. i. 124 60, 56 
rivulariSj Oct. 1817, J. A. i. 125. 1819, N. E. 3 ed ..60, 56 
tardus, Jan. 15, 1830, N. H. D. 1840, Desc. 26 149 
Anodonta, N. E. 1. 2, 3 eds. Am. Con. ii 160, 53 
cataracta, 1816, 1818, 1819, N. E. 1, 2, 3 eds. pi. 3 f . 4 ....53 
gibbosa, 1824, L. E. p. 265, pi. 14, f. 3, 4 .....131 
grandis, Nov. 4, 1829, N. H. D. ii. 341. 1840, Desc. 12 139 
imbecillis, Nov. 18, 1829, N. H. D. ii. 355, do. Jan. 29, 1831, 
1840, Desc. 13 140, 235 
implicata, Nov. 4, 1829, N. H. D. ii. 340. 1840, Desc. 11.. ....139 
impura, Nov. 18, 1829, N. H. D. ii. 355. 1840, Desc. 12.. ....139 
lugubris, Nov. 4, 1829, N. H. D. ii. 340. 1840, Desc. 11 138 
marginata, 1816, 1818, 1819, N. E. 1, 2, 3 eds. pi. 3, f. 5 .53 
suborbiculata, Jan. 29, 1831, N. H. D. No. 31, April 1831, 
Am. Con. ii. pi. 11 ....161 
undulata, 1816, 1818, 1819, N. E. 1, 2, 3 eds. pi. 3, f. 6 ..54 
Area, Am. Con. iv 191 
incongrua, July, 1822, J. A. ii. 268 .....93 
lienosa, March, 1832, Am. Con. iv. pi. 36, f. I 192 
pexata, July, 1822, J. A. ii. 268 93 
ponderosa, July, 1822, J. A. ii. 267 92 
staminea, March, 1832, Am. Con. iv. pi. 36, f. 2 192 
transversa, July, 1822, J. A. ii. 269 ....93 
zebra, Swainson, Am. Con. vii. pi. 66 ...229 
Astarte, Am. Con. i ..149 
castanea, 1830, Am. Con. i. pi. i 150 
Avicula hirudo, var. July, 1822, J. A. ii. 262 .......90 
Buccinum ornatum, July, 1822, J. A. ii. 229, ...75 
striatum, Ch. v. Glandina truncata 
virginicum Gmel, v. Melania virginica. 
Bulimus alternatus, Dec. 30, 1830, N. H. D. 1840, Desc. 25 39 
emeus, Dec. 30, 1830, N. H. D. 1840, Dec. 26 ..40 
lubricus. Mull. 1824, L. E. ii. 259 .....31 
multilineatus. Sept. 1825, J. A. v. 120 ..28 
mutilatus, Dec. 1822, J. A. ii. 373 ..25 
undatus, Brug. Dec. 30, 1830, N. H. D. 1840, Desc. 25. 39 
serperastrus, Dec. 30. 1830, N. H. D. 1840, Desc. 25..... 39 
Bulla Gm. v. Fulgur pyruloides. 
fluviatilis, J^an. 1821, J. A. ii. 178 71 
fluviatilis Dec. 1830, N. H. D. No. 29. 1840, Desc. 26 149 
pyrum^ Dillwyn, v. Fulgur pyruloides. 
solitaria, July, 1822, J. A. ii. 245 .84 
truncata, Gm. v. Glandina truncata. 
Bullina, Am. Con. iv 193 
canaliculata, March, 1832, Am. Con. iv. pi. 39 193 
Calyptraea striata, Feb. 1826, J. A. v. 216 ....124 
Cardita, Am. Con. iv .193 
tridentata, March, 1832, Am. Con. iv. pi. 40 194 
Oarocolla helicoides, Lea, Am. Con. vi. cover p. 4 36 
Cerithiura, Am. Con. v 200 
dislocatum, July, 1822, J. A. ii. 235 ...79 
ferrugineum, Aug. 1832, Am. Con. v. pi. 49. f. 3 20.3 
