Wepidopleunus) mertetsiecs-ceec-see eres tee eee see e ecee eee eee eereeeeeeeer Conr. 
ng. bh: 40 (eee Ree ROR ri ciice eco ceee dE spe case ea ncareGnorinn sr.idid usacaG cacad=sosa04 Cpr. 
VeLedentlenS)sa--cerisisee-t ae seaeeacee seats SRR aalP ce wscph, 1 =<O Ee < eee eee Cpr. 
Weptoim meroeutni i.e. a. aage sneer oes eecee sees oe ashes eee eye eer eee ee eee eee Cpr. 
Weptothyra: bacilal ta: cecccsienniceas ctasinetdcnam la op ieaysiseide saan e sree eee Cpr. 
CaEpentetdeesnseereasaeers 5) Je. deta ShRNNe ERASE LE DREREE oClet eee Se eee eee EERE Pils. 
DaAUCiCostatasroac avenue sasemise ss aes ae sce eee Ss Fastnag se eee Dall. 
Iimatonientaliseececcaerescamcrerecere erate eee Teese accent Ad, & Rve. 
Timatulla swbawrictilata ss... ccc. ccennececiesierewice settee: aseatae esis teeta Mont. 
Dr. 52 fathoms. 
iocardinm-sela tines seasenentee eee Se er eer er CB Dd. dare Sby. 
SubStriatutjascssseece ceca reece ncn aoe cee tas ne eee ene eee Conr. 
Lotialacuticostata’ ga.iscacccepen onset Oebmaseseoscatn see ae eatte teser een eae Cpr. 
fEMEStratiass cfscca.8 Ses asda sasaplncen, wadeainseeteies capa eeeem eee eee eee ROE Cpr. 
Withophasusvaristatust..sqse--as-eseeeeser Segiiten waeceseates anes eee eee Dillwyn. 
attenWa@tusteics: og: +<ocabsetanes carer nciernrane stan ee ee eee eee eae ee eerie Desh. 
jo) Abb ashi) Pagkenenmrnedooeticannmnocdaccemeee iene aauchadc mena mosongashe moose Hanley 
This genus consists of rock-boring bivalves that are only obtained 
by the exercise of much labor. 
Wittoninay planaKiss,cacps-cs-saaesotesseesonoouec acess aces: esse eee eee eee Nutt. 
Sctitulata ye o50s: aceecessncesre sionals thd deluddleeat anes ta COO ae Oe eee eee Gld. 
Woligorste arms ite ee cs sceeccnecscnnecielet este ards eater losecioe ence eeene jee Elemp: 
Wottiar cig amt ayn. cccsh esse’ ssacccncecteentenc sce scene ctenesl svar eescbe beeen ReeeEee Gray 
This limpet seems to love the dashing of the waves, and where the 
sea is wildest, there we find it in abundance on the rocks. 
Tucapimajeremiulatar: jancres-cuseciseier «devioaesocia-esiscieies.5- cee eaaatnae eee eee Sby. 
The great keyhole limpet is at times quite abundant among the 
rocks at low tide, where its black, slug-like mass slowly drags 
itself through the tangles of sea-weed. 
Wucapinellaycallomarcinatae.-sscemasteeareeretee see eee eee eee Cpr. 
Quite rare, only a few specimens having been found here alive. 
Tyireina annwlatarss ice caste seein ddamsacaec ceenewestrdesm tase tes selec eo ee eee Rve. 
Gallifforni Ga mse ii coek eauratiaas sdacocra sovste ae ane elaidl nese UE OE eee eee Conr. 
TrUttal lid. <2 Ais acts aa toncn th ocason nc map ae asen Soe eeae eeeeeeeS Conr. 
DL atratia We wastil sc stews dessus sasee oct eben seseenesion eee osecer aes eee eRe eeee Gld. 
Dr. 12 fathoms. A variety of the aboye is found here which so 
closely resembles Lunatia draconis as to bealmost undistinguish- 
able. 
Iuy.onSiarcalifornicati..chssdacosece neste see tee ey eee Ra er eect ences Conr. 
Dr. 5 fathoms. 
hou dec: eee a eRe een aer ee REED ON aan ncaa Am innnano gna toceoGnaj00.cG000t Conr. 
F006 ee ean ee en PEE er Mah Pent ane ao oyooKd scc00s Gld. 
