62 MARINE SHELLS. 
Pisamia protady ula ae oe ewes Rees... 4) os ee Viti Is 
PASAMIa SOUSIO ai, ek eee ee ini 6. ee ee Mediterranean 
PLACUNA. 
Elncunaplacenta,.. |. ilkeee eons LAN. ass sad eee ... Japan 
PLACUNOMIA. 
Placunomia ———.... ........ Sh oe Seen a La Paz, Mexico 
Placunomiigy a= 8 eee, oc oe Oe eee La Paz, Mexico 
Plae@unomia a oe Re AS Son renee Gulf of California 
PLANAXIS. 
Haile Warcls chapel) |r Renamer ate ty) “SP Rae tn RP 5 see - eae 
Piniaxis meatus: se eee: Da Costa.....Cuba and Jamaica 
PISWARISMIGTH ses dae t oe eet ies OU0Y 3 ee New Ireland 
Planaxismigritelay)) sisal et. POrb6s: 3.05 1 eee Mazatlan 
Flanaxis plamicostata. ci ¢3.osce: Sby..Panama and Gallapagos Is 
Plonamisisemisuleatae ..() ic ce Ge. . | es oes oe ae Jamaica 
Planaxisosale@ata. ae. sree bo's/2' ne bey ee East Indies 
PLEURODONTA. 
Plevunodonta anomala,. <2. bo... PFE. rsdn So eee Jamaica 
PLEUROTOMA. 
Pleurotoma,(Surcula) tuniculata:. Vial: ce tease La Paz, Mexico 
Pleurotoma maculosa: 2) 3.42’. SOY. sel ales pee Mazatlan 
Pleurotomiarolivaceatsnscasis..t: SOY... % inniiayh eee Panama 
Pleurotoma (Surcula) tuberculifera..Brod. and Sby....Gulf of Cal. 
POLINECES. 
POMMECES DER 6) iC ee ee eRe cL oe ate Gulf of California 
POLLIA. 
PolliawmMaculoss. Ao UGCA eee es Ae a ee Mediterranean 
POLYDONTA 
Polydontmmnenlatay . ck wee ie serene 26. China 
