“1 
ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 65 
Nutt.) Jew. | B. A. ||Smiths. Ins. Ken. | Lord. Swan.! Cooper. 
356. ?Amphithalamus lacunatus| — | — | — — —|-—|— D 
307. Truncatella Californica ..| — | — | — — —;|—}|}— D 
308. Jetireysia Alderi........ —|}-—|;— D —|-—|— — 
359. translucens ........ —|}—|— —_ —}|—|— D 
360. Cithna albida .......... —}|—}— — —|—|— D 
36L. Diala marmorea ........ —}—|]— H —}—|—| MD 
362 DOULA ctv be ores —};—|— — —{|—|— MI 
363, Styliferina turrita ...... —}—}—|} — —}—|— D 
364, Radius variabilis.,...... — |?B| — — —|/—|— — 
365, Luponia spadicea ...... —|C;}co} ~ |—|—/|—} DI 
866. Trivia Californica ...... —!|B{C L —|—);— DI 
367, MIOMMGEE srsr 50's vate « };— |} — |] — L —|/—}|— I 
368. Erato vitellina.......... —| B,C — — | —5|i-— DI 
369 columbella ........ —|B|C L — | |). |. MDE 
370. Myurella simplex ...... —/| B|— — —|—|— D 
371. Drillia nermis.......... —;| Bi; C — —j}|—}]—] BDI 
372 BDGISD= 5), arava 0 stds» }—}—|— — P}—|V — 
373. —— moesta.........5.- —|B]— — —{|—|— D 
374, BOLORB cfs. a 2ye.0 10 a.aibis.s —|}—j|— M —|—|— M 
3746 Pvar. aurantia ,...| — | — | — D —|/;—-—|— D 
356. ? Amphithalamus lacunatus, n.s. Same nucleus; base chinked, not keeled. 
372. 
373. 
374. 
(Adult not found.) 
Family Truncatelliide. 
Lruncatella Californica, Pfr. Pneum. Viv. Suppl. vol. ii. p. 7, 
Family Jeffreysiade. 
Jeffreysia Alderi, Cpr. Maz. Cat. no. 420. 
. Jeffreysia translucens, u.s. Possibly a Barleeia: pillar thickened, base rounded. 
Cithna albida, n.s. Very close to C. twmens, Maz. Cat. no. 421, but umbilicus 
angled, not keeled. 
Family Planaxide. 
. Diala marmorea, n.s. Solid, glossy, clouded with red: base faintly angled. 
. Diala acuta, n.s. Base flattened, sharply angled: turrited. Bch.-10 fm. Cp. 
. Stylferina turrita, u.s, Minute, slender, base rounded. 
Family Ovulide. 
Radius variabilis, C. B. Ad. Maz. Cat. no. 435, Probably exotic. 
Family Cypreide. 
. Luponia spadicea, Gray. Like onyx, but light-coloured. 
. Trivia Californica, Gray. Small: ribs sharp, distant. 
. Trivia Solandri, Gray. Maz. Cat. no. 441. From Southern fauna. Sta. Barb. 
and St. Nich. Is. common, Cp. 
. Erato vitellina, Hds. Sulph. Large, wide-mouthed: paries callous. 
. Erato columbella, Mke.=leucophea, Gld. Maz. Cat. p. 5387, Perhaps a var. of 
Mauger, from the tropics. 20-40 fm. c. Cp. 
Suborder ToxrFERA. Family Terebride. 
. Myurella simplex, n.s, Sculpture very faint and variable: shape of albocincta, 
c. Cp. 
Family Pleurotomide. 
. Drillia inermis, Hds, Sulph. Early whirls close sculptured. Beach-16 fm. 
living. Cp. 
Drillia incisa, n.s. Like inermis: spiral sculpture grooved, not raised. 
Drillia mesta, n.s. Like large luctwosa: middle whirls with long transverse 
ribs and posterior knobs; adult obsolete. 
Drillia torosa, n. s. Whirls rounder, olivaceous : with one row of strong bosses 
throughout: no posterior knobs. 
aie ee Pyar. aurantia, Orange, with sutural riblet and faint spiral sculpture, 
. 2U 
