296 
MARINE SHELLS OF WEST COAST OF NORTH AMERICA 
regularis (Marginella) . 
regularis (Volutopsius) 
regulus (Lora) . 
renaudi (Clathrodrillia) 
reticulata (Amphissa) .. 
reticulata (Cancellaria) . 
reticulata (Gadinia) .... 
Retifusus. 
Retusa . 
rhines (Clathrodrillia) . 
rhodium (Buccinum) ... 
rhodope (Borsonella) .. 
rhyssa (Admcte) . 
rhyssa (Mangilia) . 
Rictaxis . 
ritteri (Tethys) . 
robustus (Fusinus) . 
robustus (Mohnia). 
rondinum (Buccinum) . 
roperi (Fusinus) . 
roperi (Mangilia) . 
Roperia .. 
rosacea (Columbella) ... 
rosea (Lora) . 
roseus (Colus) . 
rossellinum (Buccinum) . 
rotula (Antiplanes) . 
rotundus (Volutopsius) . 
rubrum (Gastropteron) .. 
rugosa (Columbella) 
rugulata (Lora) . 
rupestris (Voluta) ...... 
sanctus (Aesopus) . 
santarosana (Antiplanes) 
sapius (Colus) . 
saturus (Chrysodomus) . 
scalaris (Lora) . 
Scaphander . 
Scaphandridae . 
Schizopyga . 
sculpturata (Mangilia) .. 
Searlesia . 
semen (Retusa). 
semipolitum (Dentalium) 
sericatum (Buccinum) .. 
setifer (Phytia) . 
severinus (Colus) . 
sigmatopleura (Buccinum) 
PAGE 
simplex (Lora) . 120 
simplex (Volutopsius) . 189 
simulatum (Buccinum) .251 
sinuata (Philine) . 44 
sipho (Siphonaria) . 56 
Siphodentalium . 14 
Siphonaria. 56 
Siphonariidac . 56 
siphonoidea (Mohnia) .201 
sixta (Lora) . 104 
smirna (Acteocina) . 29 
smirnius (Chrysodomus) .230 
solenum (Buccinum) .241 
solida (Lora) . 116 
solitaria (Mitra) . 172 
solutus (Chrysodomus) . 236 
spectabilis (Corolla) . 21 
Spiratella. 18 
Spiratellidae .. 18 
spitsbergensis (Colus) . 212 
spitsbergensis (Lora) . 117 
stearnsianus (Cryptoconus) . 62 
stearnsii (Cadulus) . 16 
stearnsii (Fulgoraria) . 167 
stefanssoni (Volutopsius) . 187 
stejnegeri (Volutopsius) . 191 
stimpsoni (Beringius) . 195 
Strigatella . 169 
strigillatum (Buccinum) .253 
Strioterebrum. 59 
strongi (Taranis) . 151 
Styliola . 20 
Suavodrillia . 71 
subcostatum (Buccinum) .256 
subtrigona (Marginella) . 164 
subturrita (Anachis) .270 
subulata (Styliola) . 20 
Sulcosinus . 204 
Sulcosipho. 227 
Sulcularia .*. 33 
surana (Lora) . 114 
Surcula. 61 
Surculina. 168 
Sveltia . 154 
tabularis (Chrysodomus) .236 
tabulata (Lora) . 101 
tabulatis (Chrysodomus) .227 
tahwitanus (Colus) .219 
PAGE 
. 164 
. 191 
. 102 
. 70 
. 283 
. 151 
. 55 
208 
. 31 
. 74 
. 241 
. 93 
. 156 
. 143 
24 
50 
177 
199 
249 
180 
140 
180 
274 
120 
215 
252 
83 
188 
45 
270 
117 
167 
279 
84 
216 
232 
96 
35 
35 
264 
135 
237 
32 
10 
254 
53 
220 
252 
[ 296 ] 
