Pace. 
Melania sordida, ....... 
—  striatula,....... 
—  strigosa, .....+- 
—  subcylindracea, . 
—  subularis,...... 
— subsoliday .. i .. 
——)) ISUICOSA=5 cle esciciei« 
— taitiana, ....... 
— _  tenebrosa,...... 
—  terebralis,...... 
5 ieiksshoodapoo 58 
—  trochiformis, ... 
— _ troostiana, ..... 
—  trilineata,...... 
—  tuberculata, .... 
s—— undulata) sa10 
—  venusta, ....... 
—  vestita, cesses 
—  Virgata,........ 
—  virginica,...... 
——ISVAITIC IS tatalereieleiele 
— warderiana, .... 
Mesodesma arctata, .... 
-- jauresii,..... 
MITRIADH, 2... 02000 0 
Modiola americana,..... 
—  carolinensis,.... 
_ castamea, eee. 
—  discors,........ 
—  discrepans,..... 
=== MOGIONUS) sre sieiele 
= TO ceoonoada 
—  pectinula,...... 
—  plicatula,...... 
Montacuta bidentata, .... 
MV ADRR) cee civic eos) sinisie 
Mya acuta,.....sseeeee 
—— fiEMEL ooogq DUKE 
SSS TNE, Gooaconos 
MYTILIDZ, ....0200--- 
Mytilus borealis, ......- 
— » CUDILUS) wewcece 
[Fauna — Parr 6.] 
94 
99 
95 
94 
92 
231 
231 
151 
186 
186 
186 
185 
185 
185 
185 
185 
184 
232 
238 
240 
240 
240 
181 
182 
183 
INDEX. 
Mytilus hamatus,.....++ 
— _incurvatus, ..... 
— lateralis, ....... 
—  _ leucopheatus, ... 
—  notatus, ........ 
—  pellucidus, ..... 
—  ungulatus,...... 
Natica clausa, ........- 
—  duplicata,....... 
— flava, .occsccrer 
= NELOS) cjetsteleietelelsis 
—  immaculata,..... 
— pusilla,......... 
me ET ISCLIAtA Nis ateterey als 
Nucula acuta, ......... 
—  gouldi, ........ 
== eemlimattlayeseiie O0 
= 5 MINE, Goon deod 
—  mayalis, ........ 
== navicularis) face. 
—  proxima,....... 
SE Tadiata westatel lepers 
—  sapotilla,....... 
—  tenuls,<...... ac 
—  thracizformis,... 
Odostomia exigua,...... 
— HUSCAsialeieie) sere 
-—— insculpta, .... 
— producta, .... 
— seminuda,.... 
a trifida, ...... 
Oliva literata,. ........: 
Osteodesma hyalina, .... 
OSTRACIDE, «+ eeeeeees 
Ostrea borealis, ...+ +++. 
— canadensis, ...... 
— equestris,.... +0. 
— _ semicylindrica,... 
— virginica, ....... 
Otion blainvilli,.....-.. 
Es I CUVICTI i aiclels) eielelei= 
Paludina bimonilifera,... 
36 
Pace. 
183 
183 
183 
184 
182 
183 
183 
122 
121 
123 
120 
122 
123 
121 
181 
180 
180 
181 
180 
180 
179 
179 
180 
181 
178 
116 
116 
115 
116 
115 
114 
152 
234 
167 
169 
170 
171 
171 
169 
257 
257 
87 
269 
Pace. 
Paludina disscisa, ...... 84 
dissimilis,..... 86 
genicula,..... 86 
georgiana,.... 86 
inte oTarecmyeers meee 
intertexta,..... 85 
isogona, ...... 85 
lapidaria,..... 86 
magnifica, .... 86 
ponderosa, .... 86 
subcarinata, ... 87 
subglobosa,.... 86 
subpurpurea, .. 86 
transversa, .... 85 
vivipara,...... 86 
Pandora trilineata,...... 239 
Panopea arctica,....+.. 246 
Patella candida,........ 161 
PATMET LID se eieisictelcisi lol 
Patelloida alveus,....... 162 
testudinalis,... 162 
Pecten concentricus, .... 172 
islandicus, ...... 173 
magellanicus,.... 173 
NGAOSUS; ele wae ole: 
OLNALUS elise cereal de 
purpuratus, ..... 174 
VANIUS Halletote'si/eletors 172 
PEC TINID Ae wslleloele elc)cion Le 
Petricola dactylus,...... 228 
pholadiformis, . 228 
Pholas costata,......... 248 
crispata,........ 249 
cuneiformis,..... 248 
oblongata, ...... 248 
truncata, ....... 248 
PHOLIDA, 2. cess -ea0 247 
Physa ancillaria,....... 79 
ANKE Goagooaaan ell) 
concolor,........ 8l 
cylindrica, ...... 77 
Mptice,felrereleetal on ctie 
