HU cas 1 sew un eu ee a ie Hsch 
Acmaea TUE res vu dwiswases Fav Vane) Gi Lepore en rain dais nu crs ae 
ee nee ee ob x . 
RCAC As riiis Vos ree ane ULL ns eC ene 
Dead shells, numerous on beaches. ae 
ME ee a ee 4. . 
OYHOANIZE eye er ier ten hop ec me ee oer e te yas 
: It ee Esch. 
Re GRU pase levay eae cava ov 44 WW Se UL enV Eien a Gad Rae S ’ 
Esch, 
pelta, var. elevata me 
DeltR, Vat, nacelloidesi,cccis cucesevse a cteces ete ye beens cee 
On ribbon kelp at Government Jetty. eo 
Se cians Ts Cul. 
ELS ONG iach vas ea civenis coeresacier estas g busters ia Cone : 
i shoen WNHeA Cpr. 
DOSROGR ie cicry alec ier cre n) Wen uir Shas eres Corts Srenaia 
op de apveyent - 7 redged 
This species is quite rare here, although it is occasionally dredg 
or thrown upon the shore among drift. 
ee Nutt 
SORTA on cis a duster aetna Cpr 
SGHOYG, Vat, (MALIA ccc co ce ieee ce Cp1 
Admete AOU OT hited is eiy sla Manlio ao COOeUEn I mCi anes Tene 
Dr. 52 fathoms. Gld 
ree CUA ee UO I 
Bt en re ee ae i 
Ae, Dee 
SUVGIMID cay SVS Ciy cas ao log Cenc orc en ies ret oe oo 
Beautifully marked little rock borers, having a rich brow I 
dermis, C 
ee a ; or. 
BU i i ae ue ae : mes 
Opalescens ........ 
Aesopus myrmecoon 
Dr. 5 fathoms. Cpr. 
CHEV SAIIOIICUS ya ee ec Cee ne ee 
Dr. 5 fathoms. 
Alaba oldroydi 
Supralirata 
Alabina turrita 
Aldis 
a Sanguinea . 
Alvania purpurea 
Amiantis callosa i 
One of the most beautiful of our bivalves; rare in San Diego, but 
occasionally found on sand beaches. Cpr 
Amphisphyra SUBQUACTACA i ccctercce serrate eee see yea ay Caco es lois 
Dr. 15 fathoms. 
ren 
Amphissa COPEUOAUH Lc cecccgutuies irre eh me 
UB ci 
Dr. 50 fathoms. et 
VEUSICOION oyu (Ghevciev tis lis eis Ciel rene eee vere gaia ck oo 
Amphithalamus WHOLUSIIS eine ee pr. 
condition, owing to the tenacity with which the ica lower 
valve clings to the rock. 
