24 MARINE SHELLS. 
PLICATULA. 
PHERiaerAMOSa woes! FelsS Lan. . 0.3 +. Florida 
POMAULAX. 2 
Pomanlaxomdosus)... 265... Wood... . Joe California 
PRIENE. 
Priene oregouensis...... Piatveeis Redf .... -. -4J eee Oregon 
PSAMMOBIA. 
Psammomacdecorac o. ... 36... Hds. (See Sanguivolaria nuttalliy 
Psammobia pacifica..... ....>. Conr. (See Heterodonax.). 
Psammopiasrubroradiata:.-/2...Conr:.).. 02. California 
PSEPHIS. 
Psepincaiendi sees 2 <3. ee 3k B00, ..- eee California 
Psepiiganimanec a7 5-4 3... . sal ild....Santa Rosa I., California 
PTERONOTUS. 
Pieronotus (Murex) festivus..... AS wen. i California 
PUNCTURELLA. 
Puncturella cuewllata,. 2... Gil@iaats shake Peso sec California 
Poncturellasoalesia. ..--2. ss... GIO 6.5 6 0 oe Oregon 
» -URPURA. 
Purpura canalieulata. i.) .... Duels... California 
Jegihy ciiky: Bic a is) @) i; Si ae a CRON i va Washington T erritory 
ie fo var. septentrionalis.. Roc... .. ieee eee California 
Porpura (aewiGa cnc swt. | ee California 
Purpura lapillus. ie Pies Cent ay Dinh. : .. see Massachusetts 
PurpurarsasicOla cre oe tha Fs... Val...... California 
z: a Varemarginata...Desh. ...: 5. -eeeee eee California 
ee ae var. duscata’i..Hbs.... .2.. 42a 
s Vat Opshtinia, .. Gla... . .°. \p see ieee California 
‘ var. ———..... MIs. California 
is js ee | wae ..  GRLIGIS 
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