WAL CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH SER. 
CHECK-List oF MIOCENE INVERTEBRATES OF CALIFORNIA— 
Continued. 
MIOocENE 
OLIGOCENE 
PLIOCENE 
2 
i— 
= 
| QUATERNARY 
GENERA AND SPECIES Lower §Upper 
an Diego- 
Purisima 
RECENT 
an Pablo- | 
Sta. Margarita 
San Lorenzo 
Vaqueros 
Monterey 
Etchegoin 
Sta. Barbara 
San Pedro 
XXX | Temblor 
Macoma ocoyana Conrad............ 
Mactra albaria Conrad.............. 
Mactra catilhformis Conrad......... 
Mactra coalingaensis Arnold........ x 
Mactra montereyana Arnold........ 
Marcia oregonensis Conrad ......... x 
Meretrix uniomeris Conrad ......... 
Meretrix traski Conrad ............. x 
Meretrix decisa Conrad............. 
MietisialianConradieaccee ease ance 
Modiolus capax Conrad............. 
Modiolus directus Dall.............. 
Modiolus multiradiatus Gabb........ x 
Modiolus rectus Conrad............. 
Modiolus ynezanus Arnold...,...... x|xX 
Monia macroschisma Deshayes ...... 
Mulinia densata Conrad............. 
Mulinia, var. minor Arnold.......... 
WES (OPOPMED VESooesccousoconcondoe 
Mytilus coalingaensis Arnold........ x 
Mytilus inezensis Conrad............ 
Mytilus mathewsoni Gabb........... x 
Mytilus mathewsom, var. expansa 
Avvo ee ven es NAS Engl ven ne ne Nn nyAl Rigs x 
Nucula castrensis Hinds............ SEN E< <1 8 I OX 
Nucula conradt Meek 2.2 ./...2.. <2: 
Ostrea atwoodt Gabb................ x |x 
Ostrea bourgeoist Gabb):. 22.2.4)... x 
Ostrea eldridget Arnold............. x 
Osirea heermanni Conrad........... x 
Ostrea panzana Conrad ............. x 
Ostrea lurida Carpenter............. x x |X 
Ositrea tayloriana Gabb............. 
Osineauiitan Conrad hee eee xX|xX| XTX 
Ostreaveatchi, Gabbi see eee xX] X 
Ostrea vespertina Conrad........... x 
Ostrea vespertina, var. sequens Ar- 
TOL TO Cn Mir SRST gs oS x 
Leda cahillensis Arnold............. 
eda taphrias alleen as oeene py 
iRandorarscaphasGabpeene ea eee 
xX 
x 
xX 
x 
x 
x 
x 
x xX xX 
x 
x Oe ere 
xX x x 
x xX 
x 
x x 
x xX 
x 
x 
xX X 
x 
x 
x 
x 
