Odostomialgxaiimatos pitaleess seeder tee e ees eee ect e ee ee eee: eee ee eeee eer D. & B. 
SLAVIA sehcce seeds amen: een tess Stee ees Ae ee Meee - cette Re ee ee eee Gld, 
HHNOPTRKE CEN ASIN! Sooqqacacohs ano sbhe sanobo AdonSsanoss8 58 sBaeene Spree), (se 18}. 
TW CHORMIS<--cepses scence nee aero Sid epee Siegen Cpr. 
Cir s\abiagle: Cenaddnceetancunssocnautnrancsosrandeeces. cesonadcee Ronee “occas D. & B. 
PONUIS certo ncanah oacexen enero ee J nsiosineeatettostseselited tdi est SoCo Cpr. 
fentriscul pta, Varin sar ics se sscecs one weettsesceet ioe a coe ok coe en eee ee Cpr. 
(abbomldoyenhMElaccons  acescoen sean Sa dincleineaccng al saeihd Teeter eee IDS c's 18}, 
These minute mollusks are generally found in colonies, among or 
under rocks, at low tides, and in many cases cannot be deter- 
mined without a lens. 
Olivella biplicata ............. SE een een th ee NE Rioceigdask ue oa5a00¢ Sby. 
Often found in great numbers at toe tide; the colors ranging from 
pure glossy white, through light and dark gray, to dark brown 
bOetiCay srenieee cases iSajne 41s eS ORGS eBlog auyee accloun ici ee eee eee Eee Cpr 
ATU EON CAM eee eee Rares cee oe a re eee i Ee Cpr. 
Dr. 12 fathoms. 
Ommastrephes gigas 
Olnp halls MhUSCESCETIS Sass oe cper ee eecert se dels ete ae elect ee tee eee 
@scillayaeqtiscullp tare aeeres teense ree nearer eee 
OKC HElsscasca conceson epee 
QOstr@a: AMAT Aas. ja rose cagaee cacsion es cub enings te ce saeco dee fone cee aa RC eee EERE 
Concha lila ieeseeea ese eee eee : 
ilk b aio: Neennaaonrtest concebc nace 
“var. expansa 
The various species of Ostrea are Gonna in considerable numbers 
on rocks, bottles, cans, pipes, and timbers, at low tide. 
@viulardeflexaavar sbanbanrenS@serescr sess eee- ace cee ke eer eee eee eer eee Dall. 
Dredged. Generally found on a species of yellow gorgonia. 
IPP NRKOVDISE, EASE OEE Iso eagaooqdsan qdohs bone coopsuNhs aoBoGH JgFoESHnOATOABaGHa suO9eO305 Gld. 
Rarely found; burrowing in sand and mud to a depth of two feet or 
more. Formerly known as Glycimeris generosa, Gld. 
Parapholas californica 
Parthenia amianta..... 
Pecten aequisulcatus ..... 
Gie SOCNSIS)canastnye, oe soarcOuem mtert aCe arene 
Dr. 8 fathoms. ‘This fine species is occasionally pulled up by 
fishermen in their nets, and formerly called Pecten floridus, Hds. 
TERUIENUNETIIG cn cdoon cbsaca. onSanios Segoe ee eae te Se ee eee One 
es Valen PAUCICOStaLUIS)--uemenaernes eee see ei tee eee eee eer Cpr. 
MON ObiIMeMS Saasace access ee aeeen ee orm Rr satico: Gonucc Conr. 
These two species are yery common, sometimes a single kelp 
plant having hundreds on its leaves. 
NI DOVCLOLOD IAEA OSES aocnap apasoeane oddonn cbcone HeosdmSro onSpasceds Avasar acouc: Whit. 
Dr. 50 fathoms. 
