MARINE SHELLS. — 67 
SIPHONALIA. 
Siphonalia dilatata............. Quoy...Japan and New Zealand 
Siphonalia modificata.......... NOY Gulf of California 
pupponalia pallida... 1.2.22... Brod. and Sby..Gulf of California 
SIPHONARIA. 
Siphonaria equilirata.......... ODE oe. West Coast of Mexico 
PRUMOTAEIS, AUSUFALIS SS :.[.)ob le te ates eee as Hawaiian Is 
piphonaria concinna.... ...) .. OUP RR RESO Ste cc teas ee Chili 
pipnonaria lecanium. >... 222: <: LN ee RE RO eee Panama 
a Se SVL ae gal ies be ehae e Petes aft West: Coast of Mexico 
SISTRUM. (See Ricinula.) 
Pierro MOTUS... 2... lst MEPL U ACE yale cress Looe s. 04 Viti Is 
SKENEA. 
pleeden (Cyclostrema) cutleriana,. ~~ 52.6002... 2.2.2.2: Britain 
pkenea Ditidissima...........5. SRE e aia 2c taut Britain 
Sikenea planorbis........ 0. 20 4. 010 OR Ne er . +... BEItaln 
Skenea pusillus.......... oP LEMD (a Ribas aioe eed a. 12 ye Britain 
SOLARIUM. 
Solarium perspectivum......... EOI Sos. West Coast of Mexico 
SOLECURTUS. 
Bolecurtus politus..... 20 s.ue.. OE Ri ope Gulf of California 
SOLEMYA. 
enlemigatogata ..-. ) is m0. eee Meo b pepe ae 3., P05, 40S a Mediterranean 
SOLEN. 
SL eTEARIG= 2. 28 fw ood ema 5 MOOS Se ee Britain 
olen marginatus... .. +. .ccaeee Deedee Sats PA iB Gyind acs t Britain 
Sem weliICiduUs.”..../:... Pps Renton Ke 5: Yh DELbALD 
PIOLCDWSL OIG... << cd vss as a Linn.. .. Britain; Mediterranean 
Beer WA Sc... «es. a LS ea ee an ea Mediterranean 
