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Philip P. (Philip Pearsall) Carpenter.

The mollusks of western North America online

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Cum. Gibbuloid : with distant grooves and fine sculpture ; mouth orange-
spotted.

282. Omphalius fuscescens, Phil. Almost identical with liyulatus, Maz. Cat. no. 293.

283. Calliostoma canaliculatum, Mart.=6fo/<Y/m/rw. Large, with strong grooves.

284. Calliostoma costatum, Mart.=/?/osww, &c. Smaller, swollen, reddish j finely

ribbed. 8-15 fm. Lyall

285. Calliostoma annulatum, Mart.=ftVr/iw<f/w. Large, granular, stained with violet,

286. Calliostoma variegatum, n. 8. Small, more conical; nodules more distant; white

on rosy ground'.



ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA.



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287. Calliostoma supragTanosum
288. gem mill atum





B/.


M
P


FI
FIH

VOI


P

P
P
P
P


V

V
V


V
V

V
V

V

V
V

V
V

V
V


D
D
MI
M
I
D

I
T

MI
MI


289. splendens


290. Phorcus pulli^o




292. optabilis


293 funiculata




295 lacunata


296. Solariella peramabilis . . . .
297. Margarita cidaris . .


298. pumlla


298 b. v*tr. salmonea ....
299. acuticostata


300. inflata


301. lirulata
302. ? Vahlii




304. helicina





287. Calliostoma supragranosum, n. s. Swollen, with sharp ribs ; posterior 1-4

granular.

288. Calliostoma gemmulatum, n. s. Very swollen : painted like eximium : with 2

principal and 2 smaller rows of granules.

239. Calliostoma splendens, n. s. Orange-chestnut, with fleshy nacre j small, rather
flattened, base glossy. 6-40 fm. Op.

290. Phorcus pulligo, Si&rt.+matvlowi, A. Ad.=eurt/dmphalus, Jonas+marcidus,

Gld. Subgenus of Gibbuli, with expanded, rounded umbilicus, and flat
whirls ; sometimes obsoletely ribbed.

291. Gibbula parcipicta, n. s. Like strong growth of Marg. lirulata, var.

292. Gibbula optabilis, n. s. Wider : decussated between ribs : 2 spiral lines insido

umbilicus.

293. Gibbula funiculata, n. s. Shaped like Montagui: with rounded spiral riblets.
294 Gibbula succincta, n. s. Small, scarcely sculptured, with spiral brown pen-

cillings.

295. Gibbula lacunata, n. s. Very small, nearly smooth ; umbilicus liemmed-in bt

swelling of columella.

296. Solariella peramabilis, n. s. Subgenus of Margarita, with open, crenated um-

bilicus. Species most ornate, with delicate sculpture. Umbilicus with 3
internal spiral lines, crossed by lirulae : operculurn sculptured. Like Minolu
aspecta, A. Ad. 40-120 fin. living, Op.

297. Margarita cidaris, A. Ad. n. s. Large, knobby, like thin Turcica, with simple

pillar and small umbilicus.

298. Margarita pupilla, Gld. E.E.=e/osfow, A. Ad. Strong, with sharp ribs, de-

cussated between, and fleshy nacre. S-15 fm. Lyall.

208 b. Margarita ? var. salmonea. Between pupilla and undulata : salmon-tinted,
sculpture line, not decussated : sutures not waved. 6-40 fm. Cp.

299. Margarita acuticostata, n. s. Small, painting clouded : 3 sharp ribs on gpire.

8-20 fm. Cp.

300. Margarita inftata, n. s. Thin, whirls very swollen ; sculpture very fine j spiial

hollow inside keeled umbilicus.

SOI. Margarita lirulata, n. s. Small : operc. smooth : 2 sharp principal riblets on
spire : outline variable. Var. subelecata, raised, livid : var. obsoleta, sculp-
ture evanescent : ? var. cornea, very tall, with intercalary ribs, like G. parci*
picta.

302. Margarita Vahlii. Moll. Raised, smooth : operc. with spiral rib.

303. Margarita tenuisculpta, ? n. s. Like obsoleta, but operc. ribbed.

804. Margarita helicina, Mont. Like the Finmark shells. CircumborcaL v

139



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305. Crucibulum spinosum. . . .


M


B


C


DIL


_





_


DI


306. Crepidula aculeata


B


__














307. dorsata





B


p




P


V


v


MT>


















1


309. adunca





B


on


P


P


V


v


NT>T


310 ni"osa


B


B


r


o








1)1


311 navicelloidcs


M




r


OI




v


y


I


311 b. var. nummaria ....







p









V




311 c. var. explanata


C





M








V


V





312. Galerus fastigiatus






p




P


v


y




313. contortus
















MPI


314. Hipponvx cranioides ....








_











V




315. antiquatus




?B












?MT


316. serratus
















1


317. tumens




B












MT>T


318. Serpulorbis squamigerus . .
319. Bivonia compacta . . [gma


B


B


c


D








V


D


320. Petalocouchus macrophra-
321. Spiroglyphus lituella ....


D
B








C





=


=


=



Order PECTINIBRANCHIATA.



Suborder ROSTIUFERA.



Family

Crucibulum spinosum, Sby. Maz. Cat. no. 344. From Southern fauna.
Crepidula aculeata, Gmel. Maz. Cat. no. 334. From Southern fauna. Round

the world.
Crepidula ? dorsata, Brod., var. lingulata, Gld. E.E. = var. Wofaita, Ma/. Oat.

no. 336= C. bilobata, Rve. Appears identical with the S. American shells.
Crepidula excavata, Brod. Maz. Cat. no. 337. S. American.
Crepidula adunca, Sby. Tar\k.=solida, IIds.=rostrifonms, Gld. E.E. Dark

liver, rough epidermis, solid deck with produced sides. [Not uncata, Mke.=

rostrata, C. B. Ad., Rve.=acfemca, Maz. Cat. no. 3o8.J .Between tides, Lord]

10 fm. Cp.
Crepidula rugosa, Nutt. P. Z. S. 1856, p. 224. Probably northern var. oi unyx,

Sby. Maz. Cat. 340, with epidermis less shaggy.
Crepidula navicelloides, Nutt. Shape of squama, with nucleus of unrjuifonnis

(Maz. Cat. no. 342). Rounded rar. in hollow bivalves=mw?y/i/-wi, Old.

Var. drawn out in layers like Lcssomifimbriata, Rve. Var. elongated in

crypts, scooped by crab or bivalve=erp/aata, Gld. =exudata, Nutt.=per-

forans, Val.
Galerus fastigiatus, Gld. E.E. Like mamillaris, nucleus large, immersed.

Large, in 8^-15 fm. Lyoll.
Galerus contortus, n. s. Whirls twisted : nucleus minute, prominent. 20-40

fm, Cp.

Family Capulida.

Hipponyx cranioides, n. s. Large, rough, flat, intermediate between planatus and
Hipponyx antiquatus, Linn. Maz. Cat., no. 347. From Southern fauna.
Hipponyx serratus, Cpr. Maz. Cat. no. 346. From Southern fauna.
Hipponyx tunwns, n. s. Growth like Helcion : sculpture more open than
barbatus.

Family Vermetidce.
ai8. Serpulorbis squamigerus, Cpr. P. Z. S. 1856, p. 226 (not Aides). Large, scaly.

Verm, anellum, Morch, P. Z. S. 1861, p. 359, is perhaps the young.
319. Bivonia compacta, n. s. Entirely open within : but colour and growth like
31'U. I'etaloconchus macrophraqma, Cpr. Maz. Cat. no. 359. From Southern fauna.
321. Spiroglijphus litwlla, Moich, P. Z. b. 1861, p. 154

140



305.
306.

807.



309.

810.
311.

812.
813.



314.
315.
316.
317.



ON MOLLTJSCA OF THE WEST COAST OF NORTH AMERICA.



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322. Caecum crebricinctum ....
323 Cooperi























MDI
DI


324 Turritella Cooperi
325. Jewettii





B/





D ?fos.











DI


326 Mesalia lacteola










P


v






326 b. var. subplanata . .
327 tenuisculpta











-


P




V


D




MB








CF











FD


329 Bittium filosum






p


P


P


v


v




329 b. ?var. esuriens ....
330. attenuatum





B




M






v


MD


331 quadrifilatuni








D








B


332 asperum




B/!s













DI


333 armillatum . . .




B'A












D


334. fastioiatum





B















335 Litorina planaxis , . .





e





FBI








MDT


336. Sitchana






o


PO


P


v


v























324. Turritella Cooperi, n. s.

325. Turritella Jewettii, n. s.

326. Mesalia lacteola, ? n. s.



Family Ccecidce.
822. CfPcum crebricinctum, n. s. Large, with aspect of Elephantulum, but very fine

close annular sculpture ; plug subungulate. 8-20 fm. Cp.
323. Ccecum Cooperi, n. s. Small, with 30-40 sharp narrow ring-;.

Family TurriteUidce.

Extremely slender, with many narrow whirls, c. Oi',

Like sanguinea, with very faint sculpture.

__ May be a local var. of the circumpolar lactea, with

altered sculpture : distinct, teste Cumino;.

326 b. Mesalia ?var. subplanata. Sculpture fainter : whirls flattened.

327. Mesalia tenuisculpta, n. s. Very small, slender, whirls rounded, lip waved.

Shoal-water, Cp.

Family Cerithiadce.

328. Cerithidea sacrata, Gld. E.E.= Ca/z/brmca, Nu.it. -\-pullata, Gld. Variable in

shape and sculpture : passes into Mazatlanica, Maz. Cat. no. 395.

329. * Bittium filosum, Gld. E.E.=jKsc/7cAfoY, Midd. Strong, broad, grooved.
S29&. Bittium ?var. esuriens. Like starved filosum, very narrow, adult scarcely

sculptured.

330. Bittium attenuatum, n. s. Like plicatum, A. Ad., or drawn-out esuriens, with

threads instead of grooves.

331. ^Bittium quadrifilatum, n. s. Broad : 4 threads, equal from beginning, coiling

over strong radiating ribs.

332. * Bittium asperum, n. s. Same aspect : upper whirls with 2 strong and 2 faint

keels over less prominent ribs. Bch. 40 fm. Cp.

333. * Bittium armillatum, n. s. Same aspect : 3 nearly equal rows of knobs.

334. Bittium fastigiatum, n. s. Small, slender : apex normal : sutures indented,

anterior rib strong.

Family Litorinidce.

335. Litorina planaxis, Nutt. Phil. =?/, Gld. E.E. Outside plain; columella

scooped.

336. Litorina Sitchana, Phi\.=sulcata, G\d..=rudis, Coop. Rounded, flat, with spiral

ribs. Var. modesta, Phil, (pars) has sculpture mint : subtenebrosa, Midd., is
perhaps a degraded var. Rocks between tides, Lord', 8-10 fm. Lyall [?].



* These species have so peculiar a nucleus that they can scarcely rank near Ceri-
iluwin or Jtiissoa : perhaps they are related to Aiaba. The nucleus of esuriens and
ttttemtatum has not been seen.

141



656



REPORT 1863.





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337 Litorina scutulata




B


PF


POFMI


P


v


y


MDI


338. ? Assiminea subrotundata
339 P Paludinella


-












v
v




340. Lacuna vincta
341 porrecta














P





V

v





342. solidula







P


10


P


v


v




342 b. var. compacta ....
343. variegata
















V

v









R


B


I








DI


345. Isapis fenestrata














v


DI


346. obtusa T
















MBDI


347. Rissoina interfossa
















MI


348. Rissoa compacta










P




y




349. acutehrata
350. Alvania reticulata



















V


D


351. filosa















V




352. Fenella pupoidea
















M


353. Barleeia subtenuis








DI








DI


353 b. ?var. rimata








D








D


354. haliotiphila








H










355. Amphithalamus inclusus





B


-













D



337. Litorina scutulata, Gld. E.E.+lepida, Gld. Var. =p/<?w, Old. Small, solid,

pointed, flattened, smoothish. Rocks between tides, Lord.

338. ? Assiminea subrotundata, n. s. Like a very thin Litorina : ashen, plain.

339. ? Paludinella, sp. May be an aberrant Assiminea.

340. Lacuna vincta, Mont. auct. Circumboreal.

341. Lacuna porrecta, n. s. Upper whirls flattened, effuse anteriorly j chink large.
341 b. Lacuna ?var. effusa. Larger, taller, more swollen.

341 c. Lacuna ?var. exa>quata, same shape but flattened.

342. Lacuna solidula, ~Lov.=carinata, Gld., not A. Ad.= Vodelia siriata, Gabb.

Solid, variable, chink small ; sometimes keeled or angular.

342 b. Lacuna ?var. compacta. Very small, narrow, orange, scarcely chinked.

343. Lacuna variegata, n. s. Very tall, elliise, irregular \vith wide chink : clouded

or with zigzag stripes : like decorata, A. Ad.

844. Lacuna unifasciata, Cpr. P. Z. S. 1856, p. 205. Small, glossy, generally with
a coloured keel, sometimes broken into dots. Var. aurantiaca, keel obsolete,
resembling the chinked Phasianellce. 8-10 fin. Cp.

345. Isapis fenestrata, n. s. Like oroidea, with sharp distant ribs.

346. Isapis obtusa, n. s. Whirls flattened behind : ribs swollen, uneven. 10-20

fin. Cp.

Family Rissoida.

347. Rissoina interfossa, n. s. With 5 sharp keels crossing 14 strong ribs. 8-10 fm.

348. Rissoa compacta, n. s. Sculptured like Beanii, with short broad whirls.

349. Rissoa acutelirata, n. s. Alvanoid : 15 sharp, distant, spiral riblets, travelling

over 18 sharp distant ribs, obsolete in front.

350. Alvania reticulata, n. s. Open network : radiating threads travelling over 19

stronger distant spiral threads.

351. Alvania jilosa, n. s. Turrited : pillar purple-stained : 18 close spiral striae,

passing over very faint waved riblets.

852. Fenella pupoidea, n. s. Variegated, truncatelloid shape. 20 fm. rare, Cp.

853. Barleeia subtenuis, n. s.=Ifydrobia ?ulvee, Maz. Cat. no. 417 ; but with normal

Barleeoid operculum. On grass, Cp.

353 b. Barleeia ?var. rimata. Whirls more swollen : base chinked.
354., Barkcia haliotiphila, n. s. Longer, narrower, much smaller. On If. splendent.
355. Amphithalamus inclusus, n. g., n. s. Habit of minute Nematura ; labrum n"t

contracted, but labium in adult travels forward to meet it ; leaving a chamber

behind. 1\ ucleus cancellated : base bluntly ribbed.

142



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356. PAmphithalamus lacunatus
35". Truncatella Califbruica . .
358. Jetfrevsia Alderi





?B
C

B

B
B
B
B

B


/

C

C

C


C


D
II

%
L

L

M
D


P





V


D

D

D
D
MB

MI
D

DI
DI
I
DI
MDI
D
BDI

D
M
D


359. translucens


360. Cithna albida


361. Diala marmorea
36^ acuta





363 Stvliferina turrita . .


364. Had ins variabilis


365 Luponia spadicea


306. Trivia Californica


ft ;7 Solandri


368. Erato vitellina


ft09. coluinbella


370. Myurella simplex


371. Drillia inermis
372. incisa


373. moesta


374. torosa . ....


374 b. ?var. aurantia ....



356. ? Amphithalamus lacunatus, n. s. Same nucleus ; base chinked, not keeled.

(Adult not found.)

Family Truncatellidce.

357. Truncatella Californica, Pfr. Pneum. Viv. Suppl. vol. ii. p. 7.

Family Jeffreysiad<e.

358. Je/reysia Alderi, Cpr. Maz. Cat no! 420.

359. Jeffreysia translucens, n. s. Possibly a Barleeia : pillar thickened, base rounded,

360. Cithna albida, n. s. Very close to C. tumens, Maz. Cat. no. 421, but umbilicus

angled, not keeled.

Family Planaxidee.

361. Diala marmorea, n. s. Solid, glossy, clouded with red : base faintly angled.

362. Diala acuta, n. s. Base flattened, sharply angled : turrited. Beh.-10 fin. Cp.

363. Styliferina turrita, n. s. Minute, slender, base rounded.

Family Ooulidce.

364. Radius variabilis, C. B. Ad. Maz. Cat. no. 435. Probably exotic.

Family Cyprteida.

365. Luponia spadicea, Gray. Like onyx, but light-coloured.

366. Trivia Californica, Gray. Small : ribs sharp, distant.

367. Trivia Solandri, Gray. Maz. Cat. no. 441. From Southern fauna. Sta. Barb.

and St. Nich. Is. common, Cp.

368. Erato vitellina, Hds. Sulph. Large, wide-mouthed : paries callous.

369. Erato columbella, Mke.=leucophcea, Gld. Maz. Cat. p. 537. Perhaps a var. of

Maugerce, from the tropics. 20-40 fm. c. Cp.

Suborder TOXIFERA. Family Terebridce.

370 MtjureUa simplex, n. s. Sculpture very faint and variable : shape of albocincta.
c. Cp.

Family Pieurotomida.

371. Drillia inermis, Hds. Sulph. Early whirls close sculptured. Beach-16 fm.

living. Cp.

372. Drillia incisa, n. s. Like inermis : spiral sculpture grooved, not raised.

373. Drillia mceata, n. s. Like large luctuosa : middle whirls with long transverse

ribs and posterior knobs ; adult obsolete.

374. Drillia torosa, n. s. Whirls rounder, olivaceous : with one row of strong bosses

throughout : no posterior knobs.

374 b. Drillia Fvar. aurantia. Orange, withsutural riblet and faint spiral sculpture.
1863.



C58



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375 Drillia penicillata









L























p








377. Mangelia levidensis ....
378. tabulata














P





V

V





379 interfossa














v




380. crebricostata
381 varie^ata





B














V





381 b. ?var. nitens




B















382 angulata




B






p






M


383. Bela fidicula






P




P


v






384. excurrata










P








385. ? Daphnella aspera









M










380. ? filosa




B














387. ? effusa














v




388. Conus Califomicus .




B





D








DI


389. Obeliscus Pvariegatus ....
390. Odostomia nuciformis
390 6. ?var. avellana
391. satura ....









L


~ "





V
V

v


D


391 b. ? var . Gouldii
392. gravida





R














V


D


393 inflata














v























375. Drillia penicillata, n. s. Like inermis, with delicate brownish pencilling s.

376. Drillia* cancellata, ? n. s. Like the young of incisa, but nodosely cancellated.

377. Mangelia levidensis, n. s. Stumpy, purplish brown, with rough sculpture.

378. Mangelia tabulata, n. s. Stout, strongly shouldered, coarsely cancellated. Pillar

abnormally twisted.

379. Mangelia interfossa, n. s. Like attenuata, delicately cancellated.

380. Mangelia crebricostata, n. s. Like septangularis, with closely set ribs.

381. Mangelia variegata, n. s. Small, slender, thin, zoned with brown : 9 narrow

ribs, and strong spiral striae.
381 b. Mangelia ?var. nitens. Glossy : spiral lines almost obsolete.

382. Mangelia angulata, n. s. Shape of variegata, but brown, whirls broad, angular.

383. Belajidicula, Old. E.E. Very close to turricula, var. 8-10 fm. Lyall

384. Bcla excurvata, n. s. Like Trevelliana : stumpy, Chrysalloid.

385. ? Daphnella^ aspera, n. s. Elongated, with coarse fenestration.

386. ? Daphnella^ Jilosa, n. s. Small, diamond-shaped, but rounded periphery;

spirally threaded.

387. tDaphndla\ effusa, nom. prov. Thin, extremely drawn-out, sculpture faint.

Family Conidce.

388. Conus Califomicus, Hds. Sulph.=ran/s, Gld. Chestnut, plain.

Suborder PKOBOSCIDIFERA. Family Pyramidellidee.
Ooeliscus ?variegatus, n. s. From Gulf fauna. Periphery with spiral groove.



Colour-pattern clouded.
390. Odostomia nuciformis, n. s.
390 b. Odostomia ?var. avellana.



Very large, solid, Tomatelloid.
Shape of conoidalis.

391. Odostomia satura, n. s. Large, with swollen whirls like JBithinia similis.
391 b. Odostomia ?var. Gouldii. Taller, base gently rounded.

392. Odostomia gravida, Gld. Otia. Like c&noidalis, but nucleus minute.

393. Odostomia inflata, n. s. Like large dolioliformis : with most minute spiral

striulation. Farallone Is. On Hal. rufescens, teste Darbishire.

* A peculiar group of species, resembling CUonella (marine, teste Stimpson.)
t Generic position of all these doubtful : perhaps they belong to genera not yet
eliminated : Jilosa resembling the Eocene foiius Itcwetn' Conus and Ptcurrtoma.

144



ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA.



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304. Odostomia straminea ....
95. tenuisculpta











H








V


c


396. Chrysallida cincta . . . .








\











I


397. pumila
398. Dunkeria laminata . . .





B

















DI
D


399. Chemnitzia trident at a . .
400. chocolata





B








P








MD
D


4 05. var. aurantia
401. tenuicula





B
B


B





P








1)


4016. ?var. subcuspidata . .
402. crebrifilata





B
















D


403 torquata




B






P


v






4036. ?var. stylina




B












M


404. virgo
405. Eulima micans





B








P





v


DI




















407 rutila
















M


408. thersites





B




















394. Odostomia straminea, n. s. Like tall var. of inflata, with straw-coloured epi-

dermis, not striulate.

395. Odostomia tenuiscidpta, n. s. Like sublirulata, Maz. Cat. no. 487, with obsolete

sculpture throughout.

396. Chrysallida cincta, n, s. Passing towards Mumiola. Radiating sculpture very

faint.

397. Chrysallida pumila, n. s. Like ovulum, Maz. Cat. no. 512, but slender ; spiral

lines delicate.

398. Dunkeria laminata, n. s. Subgenus of Chemnitzia, with rounded whirls : typical

species. Aspect of Fenella, finely cancellated.

399. Chemnitzia tridentata, n. s. Large, chestnut : 19-24 ribs, evanescent at peri-

phery : waved interspaces with 8-10 spiral grooves : labrum with 3 teeth,
hidden as in Obeliscus : base round.

400. Chemnitzia chocolata, n. s. Same size and colour : not toothed : base prolonged :

crowded ribs minutely striulate between.
Chemnitzia Pvar. aurantia. Intermediate between the above: orange, base

round ; 26 ribs, striulate between.
Chemnitzia tenuicula, Gld. Otia. Shape of tridentata dwarfed: whirls flatter,

base prolonged, spiral grooving strong.

Chemnitzia Pvar. subcuspidata. Kibs more distant, muricated at sutures.
Chemnitzia crebrifilata, n. s. Slender, whitish : with 8 spiral threads passing

over 24 ribs, evanescent round base.
Chemnitzia torquata, Gld. Otia = Vancouverensis, Gld. Ribs truncated before

periphery, leaving plain band above sutures.
Chemnitzia Pvar. stylina. Like torquata, tapering, less swollen in front, with

more ribs, band less marked.
404. Chemnitzia virgo, n. s. Very slender, with short, smooth base : 18 ribs, evanes-

cent at periphery, and 8 spiral grooves.



401.

401 b
402.

403.



Family Eulimidce.

405. Eulima micans, ? n. s. Perhaps a small var. of the European polita* 30-40 fm.

living. Cp.

406. Eulima compacta, ? n. s. Small, with blunt spire and elongated base.

407. Eulima rutila, ? n. s. Leiostracoid, rosy, base lengthened. Like

Maz. Cat. no. 551.

408. Eulima thersites, n. s. Very broad, short, twisted.

10 145



REPORT 1863.





Nutt


Jew.


B.A.


Smiths. Ins.


Ken.


Lord.


Swan.


Cooper. 1


409. Scalaria Indianorum ....
4095. p yrtr . tincta











L








V


1)


410. PCumino-ii


















I)


4106. Pgracilis








D










411 subcoronata . . ,
















Al


412 - crebricostata
















MI)


413 bellastrlata
















Al


414. Opalia borealis






P








v




415. ?var. insculpta ....
416. sponoiosa





B/*'.















Al


417. retiporosa
















I


418. bullata




B














419. Cerithiopsis tuberculata. .
420. columna





B


!











V

v


MD
Al


421 munita .














v




422. purpurea




B












MD


423 fortior




R














424. assimilata
















I


425 Triforis ? ad versa














y


I


426. Cancellaria modesta ....




















V





Family Scalariadce.

409. Scalaria Indianorum, P n. s. Between Titrtonis and communis : like " Geor-

(fettina, Kien. Mus. Cum. no. 34, Brazil/'

409 &. Scalaria ?var. tincta. Purple-brown behind: like rcgularis, without spiral
sculpture.

410. Scalaria ?Cumingii, Cpr. P.Z.S. 1856, p. 165.
410 &. Scalaria ?gracilis, Sby. in Mus. Cum.

411. Scalaria subcorotuita, n. s. Like young communis, with more and sharper ribs,

faintly coronated when adolescent.

412. Scalaria crebricostata, n. s.=Mus. Cum. no. 32: 15 sharp reflexed ribs, coro-

nated against the sutures.

413. Scalaria bettastriata, n. s. Shape like pretiosa, jun. : ribs very close, spinous

at shoulder, crossed by spiral riblets.

414. Opalia borealis, Gld. E. E. Very close to austmlis : obsolete forms like Ocho-

tensis, Midd.

415. Opalia (?crenatoides, var.) imcidpta. Like the C. S. L. form and crenaia, but

ribs closer, without spiral sculpture, sutural holes behind the basal rib.

416. Opalia spongiosa, n. s. Like small, veiy slender gramdata: surface riddled

with deep punctures in spiral rows.

417. Opalia retiporosa, n. s. Sculpture in network, with deep holes. 40 fm. d. r. Cp.

418. Opalia buttata, n. s. Shape of Rissoina : with sutural bosses : no basal rib.

Family Cerithiopsidce.

419. Cerithiopsis tubercidata, Mont. fhbs. &Hanl. Agrees with the British rather

than with the Mazatlan form, Cat. no. 557.

420. Cerithiopsis columna, n. s. Very tall : nodules close, like strung figs.

421. Cerithiopsis munita, n. s. Stout: strono-ly sculptured : base evenly ribbed.

422. Cerithiopsis purpurey, n. s. Stained with purple : nodules fine : base finely

lirate.

423. Cerithiopsis fortior, n. s. Sculpture open : strong basal rib.

424. Cerithiopsis assimilata, C. B. Ad. Maz. Cat. no. 563. With spiral keels. Prom

Southern fauna.

425. Triforis ?adversa, Mont. Fbs. & Hani. Agrees with British specimens. 10-

40 fm. v. r. Cp.

Family Cancellariada.



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