and _sinuosus_.--Brit. co. generally, 15 to 90 fath., C. Irregular,
attached to stones, etc.
2, 3. P. VARIUS, _Linn._ (_Ostrea._)--_P. monotis._--Brit. co. generally,
3 to 35 fath.; C. Vertically elongate; auricles very unequal.
4. P. NIVEUS, _Macgillivray._--Scotland, R. (15 fath.) Ribs more numerous
than _P. varius_; white.
5, 6, 7. P. OPERCULARIS, _Linn._ (_Ostrea._)--_O._, and _P. subrufus_,
_pictus_, _lineatus_ (var. f. 6), and _sanguinea_.--Brit. co. generally, 5
to 100 fath., C. As broad as long; ribs rounded.
8. P. AUDOUINII, _Payraudeau._--_P. opercularis_, var., B. Moll.--Ribs
angular and squamose.
9, 10. P. DANICUS, _Chemn._--_P._ and _O. pes-felis_, _glaber_,
_triradiata_, _adspersus_, _septemradiata_, etc.--Several Scotch
localities, 25 to 90 fath., Mc. Very variable, extreme vars. f. 9, 10.
Auricles more equal than _P. tigrinus_.
11, 12. P. TIGRINUS, _Müller._--_P. obsoletus_, _domesticus_, _lævis_,
_parvus_, etc.--Brit. co. generally, 12 to 60 fath., C. Variable; one
auricle minute, the other large and ribbed.
13. P. MAXIMUS, _Linn._ (_Ostrea._)--_P. vulgaris._--Brit. co. generally, 3
to 40 fath. The common eatable Scallop. Valves unequal.
14. P. SIMILIS, _Laskey._--_O._ and _P. tumidus_.--Fr. Forth, Isl. Man,
Lerwick, Cape Clear, etc., Mc. Minute, smooth, with undulating marks.
15. P. STRIATUS, _Müller._--_P. aculeatus_, _fuci_, etc.--Scotland, C.;
England, R.
16. P. FURTIVUS, _Lovén._--Zetland, Guernsey, etc., 40 to 50 fath., Mr.
More rounded, and with auricles less broadly based than _P. striatus_.
HIPPOTHYRIS. Fixed by byssus.
17. H. PSITTACEA, _Gmel._ (_Anomia._)--_A. rostrum-psittaci_, Chem.;
_Terebratula psittacea_.--Northumberland, Fr. Forth; deep water, Rr. as
Brit. "The Parrot's-beak Anomia."
TEREBRATULA. Fixed by byssus.
18. T. CRANIUM, _Müller._--_Anomia c._, and _T. vitrea_.--Zetland; deep
water, unique as Brit. Smooth, oval.
19. T. CAPSULA, _Jeffreys_, _Ann. Nat. Hist._, _Jan. 1859_.--Belfast Bay,
R. Minute, punctured.
ARGIOPE, or MEGATHYRIS.
20. T. CAPUT-SERPENTIS, _Linn._ (_Anomia._)--_A._ and _T. retusa_,
_pubescens_, _costata_, and _aurita_.--Oban, Skye, etc., 20 to 50 fath.,
Mr.
21. A. CISTELLULA, _S. Wood._ (_Terebratula._)--_A. seminulum_?, T.
22. A. DECOLLATA, _Chemn._--_A. detruncata._--Guernsey, R.
23. A. SEMINULUM, _Philippi._--Croulin, near Skye, _Jeffreys_.
CRANIA.
24. C. ANOMALA, _Müller._ (_Patella._)--_Pat. Anomia_, _Discina_, and
_Criopus distorta_, _ostreoides_, _personata_, and _rostrata_.--Zetland,
Arran, Lerwick, Cork, Mr.
[Illustration: BRITISH SHELLS. PLATE X.]
PLATE X.
HYALÆA. _Fam._ Pteropoda.
Fig.
1. H. TRISPINOSA, _Lesueur._--Once taken on floating timber, Dublin.
Doubtful as British.
SPIRIALIS, or PERACLE. _Fam._ Pteropoda.
2. S. FLEMINGII, _Forbes._--_Fusus retroversus_, Fl.--Zetland, Skye,
Arran, Donegal, M. C. Snail-shaped.
3. S. MACANDREI, _F. and H._--Near Mizen Head, S. Ire., Rr. Turreted.
4. S. JEFFREYSII, _F. and H._--Brit. Channel, Rr. Discoid.
CHITON. Sedentary on rocks.
5. C. FASCICULARIS, _Linn._--Brit co. generally, Mc. Tufted margin, small,
granules large.
6. C. GRACILIS, _Jeffr._ _Ann. Nat. Hist._, _Jan. 1859_.--Weymouth.
Narrow; granules very small; two postero-terminal tufts.
7. C. DISCREPANS, _Brown._--_crinitus_, Pennant?--Tenby, Guernsey, C.
Tufted margin, large: granules very small.
8. C. HANLEYI, _Bean._--Scarborough, Skye, W. Ireland, R. Spinose margin.
9, 10. C. MARMOREUS, _O. Fabr._--_C. latus_, Lowe, _C. lævigatus_,
_ruber_, and _pictus_.--Scarborough, Forth, Skye, Zetland, W. Ire., R.
Margin smooth.
11. C. LÆVIS, _Pennant._--_C. marginatus_, Pult., _C. Achatina_,
Brown.--Dorset, Devon; Brit. co. generally, but rare. Dorsally elevated;
margin reticulated.
12. C. RUBER, _Linn._--Brit, seas generally, Mr. Valves smooth; margin
coriaceous.
13. C. CINEREUS, _Linn._--_C. marginatus_, Penn.?--Brit. co. generally, C.
Valves carinated; margin and valves granulated.
14. C. ALBUS, _Linn._--_C. asselloides_, Lowe.--Northern coasts, R.
Marginal granules scaly and large; dorsal gr. smaller than _C. cinereus_.
15, 16. C. ASSELUS, _Chemn._--_C. minimus_, _Cinereus albus_.--Brit. co.
generally, C. Broad, granules on valves beaded.
17. C. CANCELLATUS, _Sowerby._--_C. albus_, Pult.--Devon, Guernsey, Isl.
Man, Oban, Zetland, Loch Carron, R. Narrow, back elevated, else like _C.
assellus_.
PATELLA. (Limpet.) Sedentary.
18. P. VULGATA, _Linn._--Brit, generally, Cc. Ribs not toothed.
19. P. ATHLETICA, _Bean._--Devon, Northumberland, etc., Cc. Ribs toothed.
20. P. PELLUCIDA, _Linn._--_P. lævis_, _cærulea_, _Acmæa pel_.--British co.
generally, C. smooth.
21. ---- var. _lævis_, Penn.
ACMÆA, or LOTTIA.
22. A. TESTUDINALIS, _Müller._--_P. Clealandi._--North Ire., C. Oval, with
tortoise-shell markings.
23. A. VIRGINEA, _Müller._--_P. parva_, _pulchella_.--Brit. co. generally,
Mc. Pale, pink-rayed, shallow.
PILIDIUM, or TECTURA.
24. P. FULVUM, _Müller._--_P. Forbesii._--Clyde, Cork, Zetland, etc., R.
PROPILIDIUM.
25. P. ANCYLOIDE, _Forbes._--Lamlash, Ayrshire, etc., R.
DENTALIUM, _Linn._
26. D. ENTALIS, _Linn._--Brit. co. generally, C. Smooth, small end notched.
27. D. TARENTINUM, _Lamk._--_D. vulgare_, _striatum_, _labiatum_,
_politum_, _læve_.--South coasts, C. Striated and entire at small end.
PILEOPSIS, or CAPULUS.
28. P. HUNGARICUS, _Linn._--Fool's-cap Limpet.--S. Devon, and Br. co.
generally, C.
CALYPTRÆA, _Linn._
29. C. SINENSIS, _Linn._ (_Patella._)--_C. chinensis_, _albida_,
_lævigata_.--S. Brit., and Chan. Isls., R. With oblique septum.
[Illustration: BRITISH SHELLS. PLATE XI.]
PLATE XI.
FISSURELLA.
Fig.
1. F. RETICULATA, _Donov._ (_Patella._)--_P._ and _F. Græca_, _apertura_
(young), _cancellata_, _europæa_.--Hebrides, Thanet, Devon, Ireland. On
shells, etc., 1 to 15 fath., C.
2. F. COSTARIA, _Deshayes._--Guernsey, R. More fine and numerous ribs than
_F. reticulata_.
PUNCTURELLA.
3. P. NOACHINA, _Linn._ (_Patella._)--_Cemoria Flemingii_, _Fissurella
N._, _Rimula Flemingii_, etc.--Scotland and Northumberland, 20 to 100
fath., R. With slit under apex.
EMARGINULA.
4. E. RETICULATA, _Sowerby._--_Patella fissura_, etc.--Brit. co.
generally, C. Conical, with slit in margin.
5. E. ROSEA, _Bell._--_E. pileolus_, _conica_, _capuliformis_,
etc.--Channel Isls., Exmouth, Cornwall, etc., 7 to 25 fath., Mc. Curved,
coarsely cancellated. Red within.
6. E. CRASSA, _Sowerby._--Loch Fyne, Oban and Belfast, 20 to 25 fath., Rr.
Large, not cancellated.
HALIOTIS, or "Ear-shell."
7. H. TUBERCULATA, _Leim._--_H. vulgaris_, Channel Isls., Cc.
TROCHUS.
8. T. ZIZYPHINUS, _Linn._-_-C. conulus_, _C. discrepans_, _C. Lyonsii_
(white, ribbed var.), etc. Brit. co. generally, low-water to 50 fath., C.
9. T. CONULUS, _Linn._--Lincolnshire, Rr. More simply conical than the
most extreme forms of _T. zizyphinus_.
10. T. ALABASTRUM, _Beck._--_T. formosus_.--Zetland, Lerwick, etc., 45 to
80 fath., R. White, with deep, plain, and beaded ridges.
11. T. MILLEGRANUS, _Philippi._--_T. Clealandi_, _T. Martini_.--Brit. co.
generally, 15 to 90 fath., Mr. Granulated, whorls with prominent margin.
12. T. GRANULATUS, _Born._--_T. papillosus_, _T. fragilis_.--Channel Isls.,
Weymouth, Dublin, etc., R. Like 8, but grained.
13. T. STRIATUS, _Linn._--_T. parvus_, etc.--S. Brit., C. More finely
ribbed than _T. exiguus_.
14. T. EXIGUUS, _Pult._--_T. exasperatus_, _minutus_, etc. S. co., C.
15. T. MONTAGUI, _Gray._--_T. striatus_, Forbes.--Scarborough, Exmouth,
Cape Clear, etc., C. Elevated, whorls tumid.
16. T. TUMIDUS, _Mont._--_T. patholatus_, _Rackettii_, etc. Brit. co.
generally, C. Short, whorls tumid, umbilicated.
17. T. CINEREUS, _Linn._--_T. lineatus_, _T. perforatus_, etc.--Brit. co.
generally, C. Littoral, small umbilicus.
18. T. UMBILICATUS, _Mont._--_T. cinerarius_, etc.--Guernsey, S. and W.
Brit. co., C. Littoral, umbilicus large.
19. T. MAJUS, _Linn._--_T. tuberculatus._--Brit. co. generally; littoral,
C. Broad, tuberculated. Large umbilicus.
20. T. LINEATUS, _Costa._--_T. crassus_, etc.--Channel Isls., Devon. W.
Ire., Mc. Smooth, imperforate.
MARGARITA, or TROCHUS.
21. M. UNDULATUS, _Sowerby._--_Turbo carneus_, _M. striata_,
etc.--Scotland, 5 to 50 fath., Mc. Striated and undulated.
22. M. HELICINUS, _Fabricius._--_Turbo_ and _Trochus neritoideus_,
_margarita_, _M. vulgaris_, etc.--Many Brit. loc.; littoral, C.
23. M. PUSILLUS, _Jeffreys._--Lerwick, R., 10 to 40 fath. Minute, white,
depressed.
24. M. EXILIS, _Phil._--_Skenea Cutleriana._--Guernsey, Skye, etc., R.
Globose, striated.
ADEORBIS.
25. A. SUBCARINATA, _Mont._--(_Helix_) _Trochus rugosus_, _Cingula subc._,
etc.--S. Brit, co., Mr. Depressed, keeled.
SCISSURELLA.
26. S. CRISPATA, _Flem._--Zetland, etc., in sand, Mc.
PHASIANELLA.
27. P. PULLUS, _Linn._ (_Turbo._)--_T. pictus_, _Cingula p._, etc.--Brit.
co. generally, C.
[Illustration: BRITISH SHELLS. PLATE XII.]
PLATE XII.
IANTHINA. Floats on ocean.
Fig.
1. I. COMMUNIS, _Lamk._--_Helix Ianthina_, _I. fragilis_, etc.--Cornwall,
Bristol, etc.; oceanic, C. Sides depressed.
2. I. BRITANNICA, _Leech._ _Reeve._--Ireland, Cornwall, etc., Mr. Darkly
coloured, not compressed.
3. I. PALLIDA, _Harvey._--_I. patula._--Clare, Rr. as Brit.
4. I. EXIGUA, _Lamk._--Cornwall, Clare, etc., Mr.
NERITINA. In rivers.
5. N. FLUVIATILIS, _Linn._--_N. fontinalis._--Thames, Trent, Humber, etc.,
Scotch lakes, Cc.
BITHINIA. In ponds.
6. B. LEACHII, _Shepp._ (_Turbo._)--_B. ventricosus_, _Paludina acuta_,
_similis_, etc.--Rivers S. Brit., Mr. Narrow, with rounded whorls.
7. B. TENTACULATA, _Linn._ (_Helix._)--_T. nucleus_, _Paludina impura_,
etc.--Fresh-water, throughout Brit. Oval.
PALUDINA. In ponds.
8. P. LISTERI, _Forbes and Hanley._--_Helix vivipara_, etc.--Lakes and
ponds generally, Mc. Whorls more separate, umbilicus larger than _P.
vivipara_.
9. P. VIVIPARA, _Linn._--_Pal. achatina_, etc.--Thames, etc., C.
VALVATA. In ponds.
10. V. PISCINALIS, _Müller._--_Nerita_, _Turbo_, _Cyclostoma fontinalis_,
_obtusa_, _thermalis_, etc.--Fresh-water, C. Subglobose.
11. V. CRISTATA, _Müller._--_V. planorbis_, etc.--Many loc., Mc. Orbicular.
LITTORINA. On the sea-shore.
12, 13. L. RUDIS, _Donov._ (_Turbo._)--_L. littoreus_, etc., _L.
nigro-lineatus_ (var. f. 13).--British shores generally, Cc.
14, 15. L. LITTOREA, _Linn._ (_Turbo._)--_L. vulgaris_, etc.--British
shores generally. The common eatable Winkle.
16, 17. L. TENEBROSA, _Mont._ (_Turbo_).--British shores generally, C. Not
thickened at bottom of mouth like _L. rudis_.
18. L. PATULA, _Jeffreys._--_L. labiata_, _L. jugosa_, etc.--Common on our
shores.
19. L. SAXATILIS, _Johnston._--_L. neglecta._--Probably _L. patula_ var.?
20, 21. L. LITTORALIS, _Linn._ (_Turbo._)--_T. neritoides_, _T. ustulatus_,
etc,--Brit. co. generally. Depressed above.
22. L. FABALIS, _Turt._--_L. Beanii._--Young of _L. littoralis_?
23. L. NERITOIDES, _Linn._ (_Turbo._)--_T. petræa_, _L. cærulea_,
etc.--Kent, Sussex, etc., C. With white band.
24. L. PALLIATA, _Say_, (_Turbo._)--Yarmouth, Mr.
LACUNA.
25, 26. L. PUTEOLUS, _Turt._ (_Turbo._)--_Cochlea_, _Helix_, and _Nerita
parva_, _fasciata_, _lacuna_, _rufa_, etc.--Brit. shores, C. Globose.
27, 28. L. VINCTA, _Mont._ (_Turbo._)--_T. canalis_, _quadrifasciatus_,
etc,--Brit. co. generally, C.
29. L. CRASSIOR, _Mont._ (_Turbo._)--_L. pallidus._--Numerous Brit. co.
Thick, conical.
30. ---- var. ? of this rather than of _C. vincta_.
31. L. PALLIDULA, _Costa_, (_Turbo._)--Brit. co. generally, C.
32. L. PATULA.--Fry of _L. pallidula_?
[Illustration: BRITISH SHELLS. PLATE XIII.]
PLATE XIII.
ASSIMINEA.
Fig.
1. A. GRAYANA, _Jeffreys._--_Limneus_ and _Paludina G._--Greenwich and
other marshes.
2. A. LITTOREA, _Delle Chiaje_, (_Helix littorina._)--_Rissoa globularis_
and _littorea_.--On shore at Weymouth, Serk, Portland, Mr.
RISSOA, or CINGULA.
3. R. ULVÆ, _Pennant_, (_Turbo._)--_Helix_, _Cingula_, _Paludina_, and
_Littorina_.--In brackish water, on British shores, C.
3*. ---- var. _subumbilicata_, R.
4. R. BARLEEI, _Jeffreys._--_R. ulvæ_ var.--Loch Carron, Skye, R.
5. R. STRIATULA, _Mont._--_R._, _Turbo_, _Cingula_, and _Littorina
carinata_ and _monilis_.--Devon, Margate, Galway, Herm, etc., 0 to 7 fath.,
Mr.; S. Eu. Carinated.
6. R. CIMICOIDES, _Forbes._--_R. sculpta._--W. Scotland. Like _R.
zetlandica_, but with outer lip crenulated; finely decussated.
7. R. ZETLANDICA, _Mont._ (_Turbo._)--_R._, _Cyclostoma_, _Cingula
scalariformis_, _Cyclostrema z._--N. Scotland, 0 to 60 fath., Mc. Whorls
angulated.
8. R. CRENULATA, _Michaud._--_Turbo_ and _R. cimex_ and
_cancellatus_.--Falmouth, Cornwall, Skye, Galway, C. Very coarsely
cancellated.
9. R. CALATHUS.--_Forbes and Hanley._--Sheerness, Whitesand Bay, 15 to 50
fath., R. Finely cancellated.
10. R. BEANII, _Hanley._--Cornwall, Plymouth, Orkney, Galway, C.; N. Eu.
Striated.
11. R. ABYSSICOLA, _Forbes._--N. Scotland; deep water, R.
12. R. LACTEA, _Michaud._--_Turbo cancellatus._--Jersey and Medit., Rr.
Oval, plicated and striated.
13. R. PUNCTURA, _Montagu._--_Turbo_ and _Cingula_ and _R.
reticulata_.--Brit. co. generally, 10 to 20 fath.
14. R. COSTATA, _Adams._--_R._, _Turbo_, _Cingula plicata_, _costata_, and
_exigua_.--South co. Brit., S. Wales, Orkneys, Ireland, Channel Isls., 0 to
25 fath., C.
15. R. STRIATA, _Mont._--_R._, _Turbo_, and _Cingula semicostata_,
_minutissima_, _communis_, _gracilis_, etc.--Brit. co. generally, N. and S.
Eu.; littoral C.
16, 17, 18. R. PARVA, _Costa._--_T._, _C._, and _R. sublutea_, _lactea_,
_alba_, etc., _R. interrupta_ (var. f. 17), _R. Sarsii_, var. f. 18
(unique).--Brit. shores generally, C.
19. R. COSTULATA, _Alder._--_Turbo variabilis_, _R. similis_.--Devon,
Channel Isls., W. Ireland, etc., C.; S. Eu.
20. R. RUFILABRUM, _Leach._--_R._ and _C. hyalina_ and _punctata_.--Devon,
Belfast, etc., Mc.
21. R. LABIOSA, _Mont._ (_Helix._)--_T._, _C._, and _R. membranacea_ and
_costata_.--Brit. co. generally, C.
22, 23, 24, R. INCONSPICUA, _Alder._--_R. albula_ and _supra-costata_, var.
f. 23, _R. similis_, var. 24, _R. maculata_.--Brit. co. generally, C.
25. R. SEMISTRIATA, _Mont._--_T._ and _R. pulchra_ and _tristriata_.--Brit.
shores generally, C.
26. R. CINGILLUS, _Mont._ (_Turbo._)--_R._, _T._, and _C. vittata_, var.,
_R. graphica_ and _R. rupestris_.--Brit co. generally.
27. R. VITREA, _Mont._ (_Turbo._)--_Helix glabrata_, _R.
crystallina_.--Exmouth, Oban, Birterbuy, etc., Mr. Elongated, smooth.
28. R. PROXIMA, _Alder._--A rare Irish species. Elongated, striated.
[Illustration: BRITISH SHELLS. PLATE XIV.]
PLATE XIV.
RISSOA,--_continued_.
Fig.
1. R. PULCHERRIMA, _Jeffreys._--Channel Isls., R.
2. R. SOLUTA, _Philippi._--Exmouth, Bute, Cork, etc., R. Like _R. pulch._,
but with spiral striæ.
3. R. ALDERI, _Jeffreys_, _Annals, Aug. 1858_.--Skye, Rr. Larger and more
conical than _R. soluta_.
4. R. FULGIDA, _Adams_, (_Helix._)--_Turbo_ and _Cingula f._--Weymouth,
Arran, Cork, etc., Mr. Whorls rounded and banded.
5. R. ANATINA, _Drap._ (_Cyclostoma._)--_Paludina_ and _Littorina
a._--Very rare, Greenwich marshes.
6. R. EXIMIA, _Jeffreys._--_Chemnitzia Barleei_, Clark.
7. R. VENTROSA, _Mont._ (_Turbo._)--_Cyclostoma_, _Paludina_, and _Cingula
acutus_, _ventricosus_, _octona_, _stagnorum_, etc.--Marine shores and
brackish-water marshes, Mc.
8. R. DENTICULATA, _Mont._ (_Turbo._)--Herm, Rr.
9. R. UNICA, (_Turbo._)--_Aclis u._, Brit. Moll., _Turritella_, _Pyramis_,
and _Chemnitzia_, R.--Devon, Cork, etc., Mr.
10. R. GLABRATA, _Jeffreys._--N. sp.
11. R. CASTANEA, _Jeffreys._--N. sp.
BARLEEIA.
12. B. RUBRA, _Flem._ (_Cingula._)--_Turbo_, _C._, and _Rissoa ruber_,
_unifasciatus_, _fulva_.--Herm, Tenby, Dunbar, etc., S. Eu., Mr.
JEFFREYSIA.
13. J. DIAPHANA, _Alder_, (_Rissoa._)--_R. glabra._--Dublin, Swansea,
Northumberland, etc.; littoral, R.
14. J. OPALINA, _Jeffreys_, (_Rissoa._)--Channel Isls., R.
15. J. GLOBULARIS, _Jeffreys._--Skye.
16. J. GULSONÆ, _Clark_, (_Odostomia._)--_Chemnitzia G._--Sandwith,
Lerwick, Weymouth, etc., Guernsey.
EUOMPHALUS.
17. E. NITIDISSIMUS, _Adams_, (_Helix._)--_Skenea_, B. Moll., _Truncatella
atomus_.--Shetland to Channel Isls., Mc.
18. E. ROTA, _Forbes and Hanley_, (_Skenea._)--Donegal, rare. Like a minute
Ammonite.
SKENEA.
19. S. PLANORBIS, _O. Fabr._ (_Helix._)--_Turbo_, _Sk. depressa_.--Brit.
shores generally, on coastal Corallines, C. Flat, like a _Planorbis_.
20. S. DIVISA, _Flem._ (_Turbo._)--_Helix_ and _Sk. serpuloides_, _Adeorbis
striatus_.--Scarborough, Weymouth, Orkney, Galway, etc., 7 to 25 fath., Mr.
Striated.
21. S. COSTULATA, _Möller_, (_Margarita._)--Loch Fyne, Rr.
22. S. LÆVIS, _Philippi_, (_Delphinula._)--Newcastle-on-Tyne, Rr.
ACLIS.
23. A. ASCARIS, _Turt._ (_Turbo._)--_Turritella_, _Alvania_, and _Pyramis
supranitida_ and _acutissima_.--Ireland, Tenby, Zetland, Mr.
24. A. SUPRA-NITIDA, _S. Wood_ (_Alvania._)--Tenby, Dublin, etc., Rr.
25. A. NITIDISSIMA, _Mont._ (_Turbo._)--_Turritella_, _Pyramis_, and
_Chemnitzia_.--Falmouth, Burrow Isl., R.
EULIMELLA.
26. E. SCILLÆ, _Lovén_, (_Turbonilla._)--_Eulima_, _Odostomia_,
_Chemnitzia_, and _Eulimella crassula_, and _Macandræi_.--N. Scotland,
Croulin, etc., 20 to 90 fath., R.
27. E. ACICULA, Philippi, (_Melania._)--_E._, _Chemn._, _Odost._, and
_Eulima clavula_.--Skye, Rr.
28. E. AFFINIS, _Philippi_, (_Eulima._)--_Pyramis_, _Odost._, and _E.
gracilis_, _lævis_.--Skye, Torbay, R.
29. E. CLAVULA, _Lovén_ (_Turbonilla._)--_Odostomia c._--Torbay, Rr.
Guernsey.
30. E. OBELISCUS, _Jeffreys_, _Ann. Nat. Hist. Jan. 1858._--Shetland.
[Illustration: BRITISH SHELLS. PLATE XV.]
PLATE XV.
TURRITELLA.
Fig.
1. T. CORNEA, _Lamk._--_T. communis_, var., B. M.--Cork and Zetland, Mr.
Whorls less flat and less rapidly enlarged than _T. communis_. A white var.
exists (_T. nivea_).
2, 3. T. COMMUNIS, _Risso._--_T. cornea_?, _T. Terebra_.--Brit. co.
generally; 4 to 100 fath., Cc. Aperture rather square.
APORRHAIS.
4. A. PES-PELICANI, _Linn._ (_Strombus._)--_A. quadrifidus_, _Tritonium_,
and _Rostellaria p._--Brit. co. gen.; N. and S. Eu.; 4 to 100 fath., C.
Outer lip with one anterior lobe.
5. A. PES-CARBONIS, _Brongniart._--_Rostellaria_ and _A. p._, and
_serressiana_.--Zetland, 70 to 100 fath., R. Outer lip with two anterior
lobes.
CÆCUM.
6. C. TRACHEA, _Mont._--_Dentalium_ and _Orthocera imperforatum_, _C.
annulatus_.--Devon, Weymouth, Scotland, Cork, etc., R.; S. Eu. Ringed and
striated.
7. C. GLABRUM, _Mont._--_C._, _Dentalium_, and _Orthocera minutum_, and
_lævissimum_.--Exmouth, Weymouth, Swansea, Lerwick, Bantry Bay. Rare,
smooth.
CERITHIUM.
8. C. RETICULATUM, _Costa_, (_Strombiformis._)--_Murex_ and _Terebra
r._--Brit. co. gen., 0 to 20 f., C. Narrow, and closely reticulated.
9. C. METAXA, _Delle Chiaje._--_C. angustissimum._--Guernsey, R.; S. Eu.
Lengthened, white.
10. C. ADVERSUM, _Mont._ (_Murex._)--_C._, _Triphoris_, _Turbo_, and
_Terebra a._, _perversus_, and _reticulatus_.--W. and S. Brit., Channel
Isls., etc., 5 to 25 fath., Mr.
CERITHIOPSIS.
11. C. TUBERCULARE, _Mont._ (_Murex._)--_Cerithium_ and _Terebra t._--Brit.
co. gen.; S. Eu.; 4 to 40 fath., Mc. Three rows of tubercles in the
penultimate whorl.
12. C. CLARKII, _Hanley._--Exmouth, Rr. Two rows of tubercles.
13. C. NIVEA, _Jeffreys_, _Ann. Nat. Hist. 1859_.--In shell sand, Belfast,
R. Rather Buccinum-shaped.
14. C. METULA, _Lovén_, (_Cerithium._)--_C. nitidum_, Forbes.--Zetland, 50
to 80 fath., R. White, with angular whorls.
15. C. PULCHELLA, _Jeffreys._--Falmouth, Plymouth, Guernsey, R. Closely
whorled and cancellated.
SCALARIA.
16. S. COMMUNIS, _Lamk._--_Turbo_ and _Strombiformis clathrus_ and
_clathratus_.--S. co. principally, C. Laminarian zone, S. Eu. Ridges
raised; whorls separated.
17. S. GROENLANDICA, _Chemn._ (_Turbo._)--_S. planicostata_,
_subulata_.--Fragments only, N. Scotland, N. Eu. Grooved between ridges.
18. S. TURTONIS, _Turton._--Scarborough, Exmouth, Cork, etc., N. and S.
Eu., R. as Brit. Ridges flat.
19. S. TREVELYANA, _Leach._--N. Brit., 15 to 85 fath., Mr. Thin, with ribs
narrower than _Sc. Turtonis_.
20. S. CLATHRATULA, _Mont._--S. Brit. and Channel Isls., Mr. Small, white,
with thin ribs.
STYLIFER.
21. S. TURTONI, _Brod._--_Phasianella stylifera_, _Velutina s._, _S.
globosus_ and _astericola_.--On spines of _Echinus sphæra_, Torbay and
Berwick, R. Glassy, thin.
EULIMA.
22. E. POLITA, _Linn._ (_Helix._)--_Strombiformis_, _Turbo_, _Rissoa_, and
_Phasianella p._ and _albus_, _Boscii_ and _anglica_.--Ireland, S. Brit.,
E. Scot., N. and S. Eu., 7 to 50 fath., Mr. Rather solid.
23. E. DISTORTA, _Deshayes._--Brit. co. gen., Mc.; 12 to 90 fath.; N. and
S. Eu. Small, tortuous.
24. E. STENOSTOMA, _Jeffreys_, _Ann. Nat. Hist. 1858._--Zetland and Norway,
Rr. Thin, with rapidly increasing whorls.
25. E. SUBULATA, _Donov._ (_Turbo._)--_Strombiformis_, _Helix_, and
_Melania s._ and _glaber_, _trifasciatus_, _Donovani_, and _lineata_.--S.
and W. Brit., Ire., Zetland, Medit., 10 to 80 fath., Mr. Whorls deep,
banded.
26. E. BILINEATA, _Alder._--Or _E. subulata_, var.--Northumberland, etc.
Whorls more swelled than _E. su._, two-banded.
[Illustration: BRITISH SHELLS. PLATE XVI.]
PLATE XVI.
CHEMNITZIA.
Fig.
1. C. ELEGANTISSIMA, _Mont._ (_Turbo._)--_T. lacteus_, Linn.?, _T.
acutus._--Brit. co. generally; not deep, C. Interstices of longitudinal
ribs smooth.
2. C. SIMILLIMUS, _Mont._ (_Turbo._)--_C. gracilis_, Phil. More slender
and minute than f. 1.
3. C. PUSILLA, _Phil. Moll. Sic._ 2. _p._ 224. _pl._ 28. _f._ 21.--More
stout than f. 1, with the ribs straight and broad. Medit., Brit.?
4, 5. C. RUFA, _Phil._--And var. _C. fulvocincta_ (f. 5).--Brit. co.
generally, 15 to 50 fath., Mc. Spiral grooves between ribs.
6. C. FORMOSA, _Jeffreys_, (_Odostomia._)--Swansea, Shellness, Bantry Bay,
etc., Mr. Grooved between ribs, excavated at suture.
7. C. FENESTRATA, _Forbes and Jeffr._ (_Odostomia._)--Torbay, etc., R.
With pits between spiral ridges.
8. C. RUFESCENS, _Forbes._--_Odostomia_ and _Turritella indistincta_ and
_scalaris_.--Clyde, Hebrides, Oban, 15 to 50 fath., R. More stout than _C.
rufa_. Three-banded.
9. C. SCALARIS, _Philippi_, (_Melania._)--Exmouth, Guernsey, Medit., R.
Ribbed; whorls angular above.
10. C. CLATHRATA, _Jeffreys._--Birterbuy Bay, R. Lower part of whorls
spirally grooved between ribs.
11. C. INDISTINCTA, _Mont._ (_Turbo._)--_Odost._, _Turritella_, _Terebra_,
and _Pyramis truncata_ and _speciosa_, etc.--Brit. co. generally, 5 to 40
fath., Mr.; S. Eu. Ribs curved, striated between.
TRUNCATELLA.
12. T. SUBCYLINDRICA, _Linn._ (_Helix._)--_T. Montagui_, _Turbo truncatus_,
_subtruncatus_, _Cyclostoma truncatulum_, _Turritella t._ and _s._,
etc.--Weymouth, S. Devon, Scarborough, etc., C.
NATICA.
13. N. HELICOIDES, _Johnston._--Scotland, Scarborough, etc., 15 to 40
fath., R.; N. Eu. Thin-grooved suture.
14. N. MONTAGUI, _Forbes._--_Nerita rufa_, _Natica r._ and
_rutilla_.--Principally northern loc. In sand and gravel, 12 to 90 fath.,
Mr. Small, stout.
15. N. KINGII, _Forbes and Hanley._--Northumberland, unique, _Jeffreys_
coll.