INDEX. 
Helix dreweri, 187. 
bucculenta, 156,°158. 
bulbina, 148. 
capillacea, 176, 
cincta, 165. 
clausa, 143. 
convexa, 16d. 
costata, 206. 
“ cronkhitei, 210. 
crystallina, 249. 
adisstdens, 172. 
dubia, 206. 
egena, 185. 
electrina, 180. 
fallax, 146, 147. 
fergusoni, 206. 
Sraterna, 163. 
hydrophila, 186. 
infecta, 206. 
ingallsiana, 158. 
zsognomostomos, 163. 
laevigata, 249. 
lavelleana, 189. 
leaii, 765, 167. 
major, 11. 
mauriniana, 189, 
minuta, 249. 
minuttlis, 189. 
minutissima, 215. 
mordax, 206. 
nitidosa, 180. 
ottonts, 187. 
paludosa, 249. 
planorbotdes, 172. 
porcina, 163. 
pura, 180, 
radtatula, 180. 
rafinesquea, 191, 
richard, 148. 
ruderata, 210. 
rufa, 151, 
scabra, 206. 
sinuata, 163. 
striatuda, 180, 
strongylodes, 206. 
transversensts, 151, 
viridula, 180. 
wardiana, 191. 
zaleta, 154. 
HEMILASTENA, 392. 
Hemilastena ambigua, 792. 
Heterostromum echinatum, 361. 
HETERURETHRA, 2/6. 
Histrionella pomatiopsidis, 346. 
HOLOPODA, 770. 
Hyalinia, 177. 
Hyalina pellucida, 180. 
subrupicola, 182. 
virtdula, 187. 
HYGROPHILA, 256, 
Instructions for collecting mollusks, 25 
LAMPSILIS, 91, 93, 94. 
Lampsilis alatus, 48, 65, 97, 98, 100. 
anodontoides, 65, zoo, 101, 
105, 394. 
ellipsiformis, 394. 
fallaciosus, 793. 
gracilis, 65, 99. 
iris, 65, 96, zo5, 107. 
ligamentinus, 48, 66, 708, 
109. 
luteolus, 65, 73, 101, 797, 109. 
multiradiatus, 66, 95. 
parvus, 66, 73, 209, 394. 
rectus, 48, 65, 71, zoz. 
spatulatus, 65, 706, 107. 
ventricosus, 65, 94.5 
Leucochloridium paradoxum, 222. 
LIMACID, 793. 
LIMAX, 793, 195, 199, 203. 
Limax agrestis, 194, 195. 
antiguorum, 195. 
castaneus, 199. 
cellarius, 195. 
flavus, 33, 194, 195, 797, 198. 
hyperboreus, 199. 
intermedius, 199. 
maculatus, 195. 
marmoratus, 201. 
maximus, 33, 194, 795, 196, 198, 
200. + 
montanus, 199. 
occidentalis, 199. 
togata, 201. 
tristis, 199. 
variegatus, 197, 
vulgaris, 195. 
LIMNEA, 256, 257, 759. 
Limnza, acuminata, 260. 
acuta, 265. 
alba, 283. 
aperta, 283. 
appressa, 257, 286. 
aguarit, 283 
arenaria, 283. 
attenuata, 280, 281. 
auricularia. 408, 409. 
biplicata, 283.8> 9 
caperata, 139, 159, |269, '270, 
271, 262, 273. 
casta, 260. 
catascopium, 259, 267, 264, 
265 
chalybea, 260. 
coarctata, 260. 
columella, 259, 260, 261,' 262. 
columellarts, 260, 
cornea, 2638. 
costulata, 283. 
cubensis, 139, 272, 278. 
curta, 268. 
decampii, 265. 
decollata, 265. 
