INDEX TO VOLUME II, PART III 
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PAGE PAGE 
Oldroydia.252 
oldroydii (Eunaticina) . 132 
olivaceus (Margarites) . 214 
olympica (Acmaca) . 147 
Omphalitis .. 180 
Onchidiopis .:. 137 
onyx (Crepidula) . 117 
orbiculata (Crepidula) . 119 
orbiculata (Lamellaria) . 136 
orcutti (Fartulum) . 47 
oregonense (Micranellum) . 46 
ornatissimum (Bittium) . 32 
orvieta (Cingula) . 81 
Pachypoma . 164 
pacifica (Astraea) ... 165 
pacifica (Placiphorella) .314 
paganicum (Bittium) . 20 
paleacea (Acmaea) . 158 
pallasii (Amicula) .323 
pallida (Polinices) . 126 
Pallochiton ... ♦. 290 
palmeri (Cingula) . 83 
palmulatus (Callistochiton) .292 
Paludinella . 62 
papilla (Sigaretus) . 132 
parallela (Chaetopleura) .287 
parcipicta (Margarites) . 199 
patina (Acmaea) . 148 
paucicostata (Leptothyra) . 168 
paupercula (Solariella) . 198 
pizianum (Sinum) . 132 
pedroense (Micranellum) . 46 
pellis-serpentis (Tegula) . 173 
pelta (Acmaca) . 146 
perambilis (Acmaea) . 150 
perambilis (Solariella) . 195 
percrassa (Oldroydia) .252 
persona (Acmaea) . 154 
perspicua (Lamellaria) . 135 
peruvianus (Chiton) .286 
Petaloconchus . 51 
phalacra (Alabina) . 15 
phanea (Alabina) . 13 
Phasianella . 161 
Phasianellidae . 161 
phorminx (Mopalia) .309 
pictum (Calliostoma) . 184 
Piliscus. Ill 
pintadina (Acmaea) . 149 
Pirenella . 37 
Placiphorella .313 
planaxis (Littorina) . 61 
platinum (Calliostoma) . 186 
Polinices . 124 
politianus (Polinices) . 125 
politum (Teinostoma). .... 226 
Pomaulax . 164 
porifera (Mopalia) . 304 
porrecta (Lacuna) . 64 
Potamides . 36 
prasinata (Chaetopleura) .287 
pratomus (Tachyrhynchus) . 57 
pribiloffensis (Margarites) .212 
profundicolum (Micranellum) . 46 
prolongata (Velutina) . 140 
Promartynia . 179 
Provanna. 43 
pulligo (Tegula) . 179 
pulloides (Phasianella) . 162 
punctatus (Ischnochiton) .273 
punctocostatus (Callistochiton) .... 295 
punctulata (Phasianella) . 162 
Puncturella .239 
pupilla (Margarites) . 200 
Pupillaria .. 200 
purpurea (Alvania) . 97 
purpurea (Amauropsis) . 134 
purpureum (Bittium) . 26 
pustulifera (Tonicia) . 299 
puteoloides (Lacuna) . 65 
puteolus (Lacuna) . 64 
quadrae (Molleria) . 171 
quadrifilatum (Bittium) . 24 
radians (Ischnochiton) .275 
radiata (Liotia) . 170 
rathbuni (Cocculina) . 160 
raymondi (Lepidochitona) .262 
recluzianus (Polinices) . 127 
reflexa (Haloconcha) . 68 
regina (Tegula) . 178 
regularis (Ischnochiton) .284 
reticulata (Tegula) . 182 
reticulatus (Tachyrhynchus) . 56 
retiporosus (Ischnochiton) . 272 
rhodia (Margarites) .204 
Rhodopetala . 158 
rhombica (Lamellaria) . 137 
[ 939 ] 
