436 
Leptopoma luteostomum Sow. 183 
— ]uteum P. 3s 
—- Massenae Less. 186 
—  melanostomum Pet. 182, 
—  minutissimum Sow. 206 . 
—- smultilabre -B., 4 n1 05 
— nitidum P. mi 
—  Panayense Sow. 188 
—  perlucidum Grat. 179 
—  perplexum Sow. 189 
—  pileus Sow. 198 
—  regulare P. 200. 
—  sericatum P. 187 
—  tenebricosum Ad. & R. 203 
—  undatum Metc. 195 
— vitreum Less. 178 . 
Licina Gray 
-—OBornuebs 
— dubia Gmel. 
—  evoluta Rv. 95: 
— labeo Müll. :: 
—  Reeveana P. 260 
rugosa Bd : 
Eubidion "Gray ; 
— depressum Sag 297 
—  desciscens P. 995 . 
— niveum Pet. 298 
—  Souleyetianum Pet. 296 
—  sulcatum Gray 294 
Lituus Mart. 
— brevis Mart. . 
Luecidella. Swains, 1 
—  gureola EF. 563 . 
Megalomastoma Guild. . 
A xAlbime9oW. 227. 
—  alutaceum Mke. 221 
—  Antilarum Sow. 232 , 
—  auriculatum O. 222 
—  bifasciatum Sow. 216. 
—  bituberculatum Sow, 218 
—  brunnea Guild 
—  chrysallis P. 224 
—  croceum Sow. 915. . 
—  cylindraceum Ch. 214 
—  flavula Sw. (A 
—  funiculatum Bens. 229 
—  Guatemalense P. 2236 . 
—  Guildingianum P. 230 
—  Layardii Gray 
— Mani Poey 219. 
—  Orbignyi P. 223 i 
—  pauperculum Sow, 231 
—  sectilabrum Gould 228 
— simulacrum Mor, 225. 
— suspensum Guild. 
—  tortum Wood 217 . 
INDEX. 
101 
102 
107 
104 
118 
108 
102 
108 
103 
109 
114 
116 
108 
117 
113 
101 
150 
152 
159 
152 
151 
153 
152 
176 
178 
177 
178 
177 
176 
59 
42 
337 
337 
123 
132 
129 
135 
129 
126 
127 
135 
131 
125 
124 
125 
133 
132 
134 
137 
198 
130 
134 
133 
131 
135 
126 | 
Megalomastoma tortuosum P. 
ventrieosum O. 220 
Moulinsia Nunezii Grat. 
Myxostoma breve P. 
Petiverianum Tr. 
Nerita elegans Müll. 
labeo Müll. 
hneinia Müll. . 
ligata Müll. . 
lunulata Müll, 
Oligyra occulta Say 
orbieulata Say 
rhodostoma Sw. 
Omphalotropis P. 
aurantiaca Dh. 509 
dubia P. 512 
erosa Quoy 511 
expansilabris P. 516 
globosa Bens. 514. 
hieroglyphica F. 503 
multilirata P. 513 . 
plieosa P. 515 
pupoides Ant, 504. 
rosea Gould 506 
rubens Quoy 510 
scitula Gould 508 . 
terebralis Gould 505 
vallata Gould 507 
Otopoma Gray 
albicans Sow. 301 . 
auriculare Gray 300 
clathratulum Récl. 306 
clausum Sow. 299 , 
foliaceum Gray . 
Guillaini Pet. 303 . 
haemastomum Ant, 309 
Listeri Gray 308 
Michaudi Gray . 
multilineatum Jay 313 
naticoides Récl. 302 
Philippianum P. 305 
politum Sow. 310 . 
pygmaeum Sow. 312 , 
spurcum Grat. 311  . 
unifasciatum Sow. 304 
vitellinum P. 307 
Pachytoma occidentalis Sw, . 
viridis Sw. 
Pomatias Stud. 
auritus Zgl. 492 
cinerascens Rm. 499 
excissilabre Jan 
gracilis Küst. 501 . . 
Henricae Strob, . 
maculatus Dr. 495 
obscurus Dr. 493 
^ 
? 
—— ACCRENM 
