Chapter M: HOLBOLLII. See Buccinum

ERATO.

27. E. LÆVIS, _Donovan_, (_Voluta._)--_E._, _Marginella_, _Bulla_, _Volvaria_, and _Columbella fusiformis_, _Cypræola_, _Donovani_, _Muscaria_, etc.--Brit. co. generally, 1 to 50 fath., Mc.

CYPRÆA.

28. C. EUROPÆA, _Mont._--_Cypr._ and _Trivia_, _Pediculus arctica_, _bullata_, and _diaphana_.--Brit. co. generally, 0 to 50 fath., C.

PLATE XX.

TORNATELLA.

Fig.

1. T. FASCIATA, _Lamk._--_Voluta tornatilis_, Linn., _Bulimus T._, _T. pellucida_ and _pusilla_ (young).--Brit. co. generally. N. and S. Eu.

OVULA.

2. O. PATULA, _Penn._ (_Bulla_).--Exmouth, Arran, etc., 20 fath. S. Eu. Wide aperture, Mc.

3. O. ACUMINATA, _Brug._--_Bulla_ and _Volvula a._--Loch Fyne, Lamlash, Galway, etc., R. S. Eu. Narrow, pointed.

CYLICHNA.

4. C. CYLINDRACEA, _Penn._ (_Bulla._)--_Bullina_ and _Volvaria c._, _oliva_, and _umbilicata_.--Brit. co. generally, C. N. and S. Eu.

5. C. OBTUSA, _Montagu_ (_Bulla_).--_Utriculus_, _B._ and _C. Jerviscensis_ and _discors_.--Brit. co. generally, C.

6. C. MAMILLATA, _Philippi._--_Bulla_ and _Tornatina m._ and _truncatula_.--Exm., Skye, Galway, etc., Mc. S. Eu. Spire sunk, apex mamillated.

7. C. TRUNCATA, _Adams_, (_Bulla._)--_B. truncatula_, _retusa_, _semisulcata_.--Brit. co. generally, C. N. and S. Eu.

8. C. NITIDULA, _Lovén._--_C._ and _Bulla n._ and _umbilicata_.--Skye, Loch Fyne, etc., R. N. Eu. Elongated, oval.

9. C. CONULUS, _Desh._--Zetland, Rr. Conical.

10. C. STRIGILLA, _Lovén._--_C._, _Bulla_, and _Atys s._ and _ovulata_.--Scotland, Mr. Spirally striated.

11. C. UMBILICATA, _Mont._ (_Bulla_).--_Bullina_ and _Volvaria u._ and _subcylindrica_.--Brit. co. gen., Mc. With umbilicated apex.

12, 13. C. LAJONKAIREANA, _Basterot_, (_Bulla._)--Guernsey, R. Narrower, and with more raised spire than _C. obtusa_.

AMPHISPIRA.

14. A. HYALINA, _Turt._ (_Bulla._)--_A. diaphana_ and _Utriculus pellucidus_, _minutus_, and _candidus_.--Scarborough, Weymouth, Cork, etc. Littoral, Mc. N. Eu. Rather square.

15. A. GLOBOSA, _Jeffreys_, _Ann. Nat. Hist. Jan. 1859._--Skye.

AKERA.

16. A. BULLATA, _Müller._--_Bulla Akera_, _B. norvegica_, _B. resiliens_, _fragilis_, _flexilis_, _Hanleyi_.--Southampton, Zetland, Galway, etc. Littoral, Mc. N. and S. Eu.

BULLA.

17. B. CRANCHII, _Leach._--_B. punctura_ and _striata_.--Brit. co. gen. Devon, Aberdeen, Cork, etc., 50 to 100 fath., Mr. Spirally puncto-striated.

18. B. CORNEA, _Lamk._--_B. hydatis_ (as of _Linn._), _B. navicula_, _B. ampulla_, _Haminea hydatis_.--South Brit. co., 0 to 50 fath., C. S. Eu. Broad, thin.

19. B. HYDATIS, _Linn._--_Haminea elegans._--Guernsey and Mediterranean. Narrower and more solid than _B. cornea_.

PHILINE.

20. P. APERTA, _Linn._--_P. Bulla_, _Bullæa_, and _Lobaria a._, _quadripartita_, _quadrilobata_, and _Planciana_.--Brit. co. gen., C. S. Eu. Large, smooth.

21. P. SCABRA, _Müller._--_Bulla_ and _Scaphander scabra_, _pectinata_, _dilatata_, and _catenulifera_.--Northumberland, Zetland, Ireland, etc., Mc., 5 to 50 fath. N. Eu. Oblong, serrated.

22. P. QUADRATA, _S. Wood._--_Bullæa_ and _P. scutulum_.--Zetland, etc., 10 to 100 fath., R. Striated.

23. P. CATENA, _Mont._--_Bulla_ and _Bullæa c._, _angustata_, and _punctata_,--Brit. co. generally, Mr., 0 to 40 fath. With chain-like sculpture.

24. P. PUNCTATA, _Clark._--_Bulla_ and _Bullæa_.--Devon, Swansea, Aberdeen, Clare. In sand, 60 fath., Mc. With punctured sculpture.

25. P. PRUINOSA, _Clark._--_Bulla_ and _Bullæa_.--Devon, Northumb., Hebrides, etc. Mud, 20 to 70 fath. N. Eu.

SCAPHANDER.

26. S. LIGNARIUS, _Linn._ (_Bulla._)--_B. oblonga_.--Brit. co. generally. 1 to 50 fath. N. and S. Eu., C.

27. S. ZONATUS, _Turt._ (_Bulla_)--Young specimen taken at Zetland by Mr. Jeffreys, resembling older Norwegian specimens. More oval than _S. lignarius_. Spire umbilicated.

APLYSIA.

28. A. HYBRIDA, _Sowerby._--_Laplysia depilans_, _A. depilans_ and _punctata_.--Brit. co. generally. Among seaweeds, 0 to 6 fath., C.

PLEUROBRANCHUS.

29. P. MEMBRANACEUS, _Mont._ (_Lamellaria._)--Devon, Arran, Cork, etc. Low-water, Mr. Broad, flexible.

30. P. PLUMULA, _Mont._ (_Bulla._)--Guernsey, Devon, Skye, etc. Littoral, R. Narrow, less flexible.

SPIRULA.

31. S. PERONII--Once taken near Swansea, imperfect.

PLATE XXI.

LIMNÆUS. In and near fresh-water.

Fig.

1, 2. L. PEREGER, _Müller_ (_Buccinum._)--_Helix_, _Turbo_, _Bulimus_, and _L. putris_, _inflata_, _teres_, _lutea_, _limosa_, _ovata_, _vulgaris_, _marginata_, _intermedia_, _lacustris_, etc.--Springs and ponds, Cc.

3. L. STAGNALIS, _Linn._ (_Helix._)--_Buccinum_, _Turbo_, etc., _stagnalis_, _fragilis_, and _major_, etc.--Ponds, etc., not so generally as No. 1, 2, C.

4. L. PALUSTRIS, _Müller_, (_Bucc._)--_Helix_ and _L. fragilis_, _fontinalis_, _stagnalis_, etc.--Ditches, ponds, etc., C. Whorls more numerous and less rapidly enlarged than No. 3.

5. L. AURICULARIUS, _Linn._ (_Helix._)--_L._, _Helix_, _Bucc._, _Turbo_, _Bulimus a._, _patulus_, etc.--Near London, Swansea, etc., Mc. Aperture very wide, and outer lip partially reflected.

6. L. ACUTUS, _Jeffreys._--_L. auricularius_, var. B. M.--Oban, Clumber Lake, Bloomfield, Kent, R. Apex sharp and tapering; aperture smaller than No. 5.

7. L. TRUNCATULUS, _Müller_, (_Bucc._)--_H._, _B._, and _L. truncatus_, _fossarius_, _minutus_, _limosus_, etc.--Partly amphibious, generally diffused, C. Small, spire equal to body.

8. L. GLABER, _Müller_, (_Buccinum._)--_H._, _B._, and _L. octanfracta_, _peregrina_, _elongata_, _octona_, _leucostoma_, etc.--Fresh and brackish marshes, Stafford, Somerset, York, etc., R. Spire longer than aperture.

9. L. INVOLUTUS, _Harvey._--_Amphipeplea i._--Lake near Killarney, Belfast, Rr. Spire almost covered.

10. L. GLUTINOSUS, _Müller_, (_Buccinum._)--_Helix_, _Amphipeplea_, and _L._--Windermere, etc., Mr. Oval.

11. L. BURNETTI, _Alder._--Lakes in Dumfries and Breconshire. Inflated; spire flat; colour opaque-amber.

PHYSA. In and near fresh-water.

12. P. HYPNORUM, _Linn._ (_Bulla._)--_Helix_, _Physa_, _Limnæa_, and _Aplexa turrita_ and _marmorata_. Pools and lakes, Brit. generally, C.

13. P. FONTINALIS, _Linn._ (_Bulla._)--_Turbo_, _Planorbis_, _Bulimus_, and _Ph. adversus_, _bulla_, _bulloides_, and _fluviatilis_.--Brit. pools, lakes, and ditches, C.

ANCYLUS. In fresh-water.

14, 15. A. FLUVIATILIS, _Müller._--_Patella lacustris._--Running streams, on stones and plants generally, C. Oval, apex turned to left.

16, 17. A. OBLONGUS, _Lightfoot_, (_Patella._)--_A._ and _P. lacustris_. More lacustrine than No. 14, Mc. Oblong, apex turned to right.

PLANORBIS. In fresh-water.

18. P. CORNEUS, _Linn._ (_Helix._)--_P._ and _H. cornu-arietis_, _purpureus_, and _similis_, _P. nana_ (young).--Ponds and ditches generally, C.

19. P. ALBUS, _Müller._--_Helix_ and _P. hispidus_, _hirsutus_.--Distribution general, C. Finely ciliated in lines.

20. P. GLABER, _Jeffreys._--_P. lævis_, Alder.--Penzance, Falmouth, Swansea, Belfast, etc., Mr.

21. P. NAUTILEUS, _Linn._ (_Helix._)--_P. imbricatus_, Müller; _P. cristatus_, _Turbo nautileus_, etc., Mc. With horny ridges.

22. P. CONTORTUS, _Linn._ (_Helix._)--_P._and _H. crassa_, _umbilicata_.--Distribution general, C. Numerous close whorls; aperture semi-lunar.

23. P. CARINATUS, _Müller._--_Helix Planorbis_, Linn.; _P. planata_ and _lutescens_.--Generally distr., C. Whorls more rapidly increased than No. 24; keel more distinct.

24. P. MARGINATUS, _Drap._--_H. Planorbis_, _H._, _P. limbata_, _complanata_, _Draparnaldi turgidus_, _rhombeus_, etc.--Distr. gen., C. Whorls more rhomboidal than 23.

25. P. VORTEX, _Linn._ (_Helix._)--_Pl. compressa_.--Distr. gen., C. Many whorls, very compressed.

26. P. SPIRORBIS, _Linn._ (_Helix._)--_P. vortex_, var.--Distr. general, C. Fewer whorls than No. 25; mouth not angular.

27. P. NITIDUS, _Müller._--_Helix_ and _P. fontanus_, _complanatus_, and _lenticularis_.--Most parts of Brit., Mc. Very compressed.

28. P. LACUSTRIS, _Lightfoot._--_P. nitidus_, var., _Segmentina lineata_, _P. nautileus_ and _clausulatus_.--Ponds and ditches near London, etc., Mc. With internal divisions; lower disc flat.

PLATE XXII.

SUCCINEA. Amphibious.

Fig.

1. S. PUTRIS, _Linn._ (_Helix._)--_H._, _S._, and _Limnæa Succinea_ and _amphibia_.--On plants by the side of rivers, ditches, etc., C. Rather oval in form.

2. S. GRACILIS, _Alder._--_S. putris_, var. _gracilis_, _S. amphibia_, var. _Pfeifferi_.--By sides of streams and in damp meadows, C. Elongated, with spire produced.

3. S. OBLONGA, _Drap._--_Helix elongata_, _Amphibulina o._ and _e._--Swansea, Glasgow, etc. Sometimes at a distance from water, R. Spire with more distinct whorls.

CONOVULUS. Partly marine, amphibious.

4. C. BIDENTATUS, _Mont._ (_Voluta._)--_C._, _N._, _Actæon_, and _Auricula alba_ (var.) and _erosa_.--Salt-water marshes, and on rocks near high-water mark all round our coasts, C. No tooth on outer lip.

5. C. MYSOTIS, _Drap._--_C. denticulatus_, var., etc.--Brackish marshes, Thames, etc., C. Outer lip with one tooth.

6. C. DENTICULATUS, _Mont._ (_Voluta._)--_C._, _V._, _Auricula_, and _Actæon ringens_, _reflexa_ (var. f. 7), _Mysotis_, and _personata_.--Numerous places, near the sea, C. Outer lip with many teeth.

7. C. REFLEXUS.--_Auricula reflexa_, _C. denticulatus_, var. _Jeffreys_.

CARYCHIUM.

8. C. MINIMUM, _Müller._--_Turbo Carychium_, _Auricula minima_.--Moist places, wet Mosses, etc. Generally distr., C.

LIMAX. Land Slug, with shell under shield.

9. L. CINEREUS _Müller._--_L. maximus_, _maculatus_, _Limacella parma_. Brit. gen., C.; Eu. Shell oval, large, thin.

10. L. AGRESTIS, _Müller._--_L. concava_ and _obliquus_.--Brit, gen., C. _Foss cr._ Shell small, oblique.

11. L. BRUNNEUS, _Drap._--_L. concava._--Under stones, etc. Shell minute, square.

12. L. FLAVUS, _Linn._--_Limacella unguiculata_ and _variegata_.--The large Cellar Slug. Shell thick, rather square.

TESTACELLA. Slug with shell on tail.

13. T. MAUGEI, _Férussac._--Clifton, Taunton, Plymouth, Swansea, etc., Mr. Large, and more square than 14.

14. T. HALIOTOIDEA, _Drap._--_T. europæa_, _T. scutulum_.--Near London. Channel Isls., etc., Mc.

VITRINA. Shell not including the whole Slug.

15. V. PELLUCIDA, _Müller_, (_Helix._)--_H. diaphana_, _Helicolimax_, _Limacina major_, etc.--Various parts of the country, under stones, etc., Mc. Eu. Very transparent.

16. V. DRAPARNALDI, _Jeffreys._--_V. oblonga_, _H. brevipes_?--Less globular than 15, R.

ZONITES. Transparent, thin-edged Snails.

17, 18. Z. CELLARIUS, _Müller_, (_Helix._)--_H._ and _Z. lucida_ and _nitens_.--Brit. gen., C.

19, 20. Z. NITIDUS, _Müller_, (_Helix._)--_H._ and _Z. nitens_, _lucida_, _tennis_, _Succinea_, etc.--Less depressed than 17, 18, with larger umbilicus.

21. Z. CRYSTALLINUS, _Müller_, (_Helix._)--_H._, _Z._, _Discus_, and _"Polita" c._, _eburnea_, _vitrea_.--In damp spots, among stones and Moss. Minute, white, transparent.

22. Z. NITIDULUS, _Drap._--Generally distributed, Mc. Mouth oblique. Umbilicus small.

23, 24. Z. ALLARIUS, _Miller_, (_Helix._)--_H._ and _Z. glabra_, _alliacea_, _nitens_, _tenera_, _lurida_, etc.--Distr. gen., C. Smaller and more convex than 17, 18.

25. Z. EXCAVATUS, _Bean_, (_Helix_)--_H._ and _G. nitida_, _lucida_, etc.--Durham, Northumberland, Galway, etc., Mc. Umbilicus very large.

26, 27. Z. RADIATULUS, _Alder_, (_Helix._)--Distr. gen., C. Striated, minute.

28, 29. Z. PURUS, _Alder_, (_Helix._)--_H._ and _Z. polita_, and _Helicella nitidosa_, _electrina_, etc.--Most common North Engl. Whorls less close and more oblique than 21.

PLATE XXIII.

HELIX. Snails with thickened lips.

Fig.

1. H. PISANA, _Müller._--_H. zonaria_, _cingenda_, _rhodostoma_, _strigata_, _albella_.--Cornwall, S. Wales, Dublin, C. S. and N. Eu.

2. H. ASPERSA, _Müller._--_H. grisea_, _hortensis_, _variegata_, _vulgaris_, etc.--Common in all our gardens and hedges.

3. H. VIRGATA, _Costa._--_H. variabilis_, _ericetorum_, _zonaria_, etc.--In sandy and chalky places, C. More compressed than No. 1.

4. H. CANTIANA, _Mont._--_H. pallida_, etc.--South and west Engl., C.

5. H. ERICETORUM, _Müller._--_H. itala_, _striata_, _albella_, _erica_, _nivea_, _cæspita_, etc.--Chalky and sandy places, C. Depressed, delicately banded; large umbilicus.

6. H. RUFESCENS, _Pennant._--_H. rufina_, _montana_, _cælata_, _clandestina_, etc.--Most common in southern, chalky and limestone districts. Depressed, striated; whorls slightly angular. Generally lighter than our figure, sometimes nearly white.

7. H. LAPICIDA, _Linn._--_H. acuta_, _affinis_, _Carocolla l._--Chalk and limestone districts, C. S. and N. Eu. Sharply angular.

8, 9. H. HISPIDA, _Linn._--_H. rufescens_, _sericea_, _concinna_ (var. without hairs), etc., _plebeia_.--All parts of Brit., C. More depressed than _H. sericea_, with larger umbilicus.

10. H. FUSCA, _Mont._--_H. subrufescens._--Brit. gen., Mc.

11. H. SERICEA, _Drap._--_H. hispida_, _globularis_, _granulata_, etc.--Granulated, hairy. Mouth wider than 8. Small umbilicus.

12. H. OBVOLUTA, _Müller._--_H. trigonophora_, etc.--Ditcham Wood, Hampshire. In Moss at roots of trees, Rr.

13. H. FULVA, _Müller._--_H. terrestris_, _trochiformis_, _nitidula_, etc.--Pretty general and common. Conical, minute, transparent.

14. H. POMATIA, _Linn._--Southern chalky districts, S. Eu., C.

15. H. CAPERATA, _Mont._--_H. striata_, _H. crenulala_, etc.--Chalk-pits, etc., C.

16. H. CARTHUSIANA, _Müller._--_H. nitida_, _carthusianella_, _rufilabris_, etc.--Chalk-districts of Surrey and Kent, C.

17, 18. H. NEMORALIS, _Linn._--_H. hortensis_, _fasciata_, _hybrida_, etc.--Cc. A peculiar flattening near the base of aperture.

19. H. ARBUSTORUM, _Linn._--Common and general. Brown-marbled. Edge of aperture different from 17, 18.

20, 21. H. ROTUNDATA.--_H. radiata_, _Turtoni_, etc.--Common and general.

22, 23. H. PULCHELLA, _Müller._--_H. costata_, _paludosa_, _crenella_, _minuta_, etc.--Common and general under stones, etc.

24. H. REVELATA, _Férussac._--Cornwall, Devon, Torquay, Guernsey. Rare. A transparent, greenish, hairy shell.

25. H. APERTA.--_H. neritoides_, _naticoides_, etc.--A single specimen found in Guernsey. Not uncommon in S. Eu. Our specimen is foreign.

26. H. UMBILICATA, _Mont._--_H. rupestris_, etc.--On perpendicular heights and under stones, C.

27. H. PYGMÆA, _Drap._--_H. minuta_, etc.--Common in damp places.

28. H. LAMELLATA, _Jeffreys._--_H. Scarburgensis_, _seminulum_.--Brit. and Germany, C.

29. H. ACULEATA, _Müller._--_H. spinulosa_, etc.--Among Moss and stones, etc., C. General.

PLATE XXIV.

BULIMUS. Long Snail.

Fig.

1. B. LACKHAMENSIS, _Mont._--_B. montanus_, _Montacuti_, _Eua montana_.--Kent, Surrey, Gloucester, Selborne, N. and S. Eu., R. as Brit. Shagreened.

2. B. OBSCURUS, _Müller._--_Turbo rupium_, _B. hordaceus_, etc.--C. and general. Surface smooth.

3, 4. B. ACUTUS, _Müller._--_Helix barbara_, _B. cretacea_, _articulatus_, _Turbo fasciatus_, etc.--On sand and limestone in marine neighbourhoods, C.

PUPA. Small Snails, among Moss, stones, etc.

5. P. SECALE, _Drap._--_Turbo_, _Helix_, _Chondrus_, and _Vertigo juniperi_ and _cylindricus_.--S. Engl., Channel Isls., C. S. Eu. Larger and more tapering than the other sp.

6. P. UMBILICATA, _Drap._--_Turbo_, _Bulimus_, _Helix_, and _P. muscorum_, _cylindraceus_, _bidentata_, etc.--C. and general, Eu. Mouth oblique, long, one tooth.

7. P. MUSCORUM, _Linn._--_T._, _P._, _H._, _B. marginata_, _chrysalis_, _unidentatus_, etc.--C. and gen. A rib behind the outer lip.

8. P. ANGLICA, _Férussac._--_Vertigo_, _Turbo_, and _P. a._ and _ringens_.--Scarborough, Newcastle, Guernsey, etc., Mr. More cylindrical than 5.

9. P. EDENTULA, _Drap._--_H. exigua_, _Vertigo_, _Helix_, and _Jamimia e._, _nitida_, etc.--C. and gen. No teeth in aperture; smooth.

10. P. MINUTISSIMA, _Hartmann._--_P._, _Vertigo_, _Alæa cylindrica_, _obtusa_, _muscorum_, etc.--Bristol, Salisbury, Skye, etc., R. as Brit.; C. in S. Eu. No teeth in aperture; striated.

11, 12. P. PYGMÆA, _Drap._--_P._, _T._, _V._, _H._, _Alæa_, etc., _sexdentatus_, _quinquedentatus_, _vulgaris_, etc.--The lighter variety, _P. alpestris_, C. and general. Four or five teeth.

13. P. SUBSTRIATA, _Jeffreys._--_Vertigo_, _Turbo_, _Alæa sexdentata_, _curta_, etc.--C. and gen. Very cylindrical; six teeth; striated.

14. P. ANTIVERTIGO, _Drap._--_P._, _V._, _Alæa octodentata_, _septemdentata_, _palustris_, etc.--Near Swansea and London; Bristol, Devon, Northumberland, Ayr, Mr. Ireland. Aperture subtrigonal, eight or nine teeth.

15. P. PUSILLA, _Müller._--_Helix vertigo_, and _V. heterostropha_.--S. Wales, Northumberland, Belfast, etc., Mc. Sinistral, with seven teeth.

16. P. VENETZII, _Charpentier._--_Turbo_, _Vertigo_, and _P. vertigo_ and _angustior_.--Swansea, Cork, Clare, R. Sinistral; four teeth and a flat fold on columella.

BALEA.

17. B. FRAGILIS, _Drap._ (_Pupa._)--_Bulimus_, _Pupa_, _Clausilia f._, _perversus_.--C. and gen. Under bark on trees, and under stones.

CLAUSILIA. With a twisted _clausium_ on columella.

18. C. LAMINATA, _Mont._--_Helix_, _Turbo_, _Bulimus_, and _Pupa bidens_ and _perversus_ and _derugata_.--S. Brit. principally. Among dead leaves, and on Beech-trunks, Mc. Smooth, broad.

19. C. NIGRICANS, _Maton and Rackett._--_Strombiformis_, _Turbo_, and _Odostomia perversus_, _bidens_, _parvula_, etc.--C. and gen.; under stones, on walls and trees, etc. Narrow, striated.

20. C. BIPLICATA, _Mont._--_Helix_, _Turbo_, _Odost._, _C. perversa_, _plicata_, _ventricosa_, etc.--Near London, etc., Mc. Two folds on columella.

21. C. PLICATULA, _Drap._--_Turbo_ and _C. conversus_.--Charlton Wood, Kent, Hastings, Gloucestershire, etc., R. Numerous plaits on columella above fold.

ZUA.

22. Z. LUBRICA, _Müller_, (_Helix._)--_Turbo_, _Bulimus l._, _subcylindrica_, _muscorum_, etc.--C. and gen. Among leaves and under stones.

AZECA.

23. A. TRIDENS, _Pulteney_, (_Turbo._)--_Helix_, _Pupa_ and _Cionella Goodallii_, _Britannica_, etc.--C. and general. Habits as _Zua_ and _Pupa_.

ACHATINA.

24. A. ACICULA, _Müller._--_Buccinum_, _Bulimus_, _Helix octona_, _terrestre_, etc.--In marshy places, among Grass, etc., C. S. Eu.

CYCLOSTOMA. Snail with operculum.

25. C. ELEGANS, _Müller_, (_Nerita._)--_Turbo reflexus_, _T. tumidus_, _striatus_, _elegans_.--Chalky districts of S. Engl., C.

ACME. Cylindrical Snail with operculum.

26. A. LINEATA, _Drap._ (_Auricula._)--_Turbo_, _Carychium_, _Cyclostoma_, _Bulimus fuscus_, _Cochlea minuta_.--Bristol, Pembroke, Clare, Dublin, etc., R.

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NATURAL HISTORY AGENCY OFFICES,

CONDUCTED BY

G. B. SOWERBY, F.L.S.,

45, GREAT RUSSELL STREET, BLOOMSBURY.

_Collections Bought, Sold on Commission, or Prepared for Auction._

STOCK ON HAND.

FOSSILS.

CRAG.--Numerous fine Teeth, Bones, and Shells.

LONDON CLAY.--Fish-heads, Teeth, Fruits, Teredinæ, etc.

CHALK and GAULT.--A magnificent series, including fine specimens of Goniaster, Cidaris, Ventriculites, Crustacea, Shells, etc.

GREENSAND.--A comprehensive series from Blackdown, Cambridge, etc.

OOLITES.--A fine specimen of the New Cidaris (block with five individuals and many long spines), extensive Minchinhampton series, etc.

LIAS.--Ichthyosaurus,--a fine museum specimen, mounted 6 ft. 6 in.,--Plesiosaurus, Teleosaurus, a most beautiful specimen of Lepidotus, and numerous other Fishes in fine condition.

COAL.--Fine specimens of Lepidodendron, Sigillaria, Ferns, etc.

DEVONIAN Fishes, Plants, etc.

RECENT SHELLS.

Among a most extensive range of genera and species are included Voluta Rossiana, V. fulgetrum, Conus Aurisiacus, C. princeps, C. marchionatus, a fine series of C. venulatus, etc., Halia Priamus, Cypræa picta, Cardium hians, C. Æolicum (true), Galathæa concamerata, Velorita, Anastoma, beautiful Spondyli, etc. Series of British Shells made up.

MINERALS.

A very extensive series of specimens; also illustrative collections.

BIRDS AND INSECTS.

A fine collection of British and other Birds in 31 cases.

Beautiful rosewood cabinet (48 drawers), with fine Butterflies, etc.

Beautiful mahogany cabinet (40 drawers), with fine Butterflies, etc.

BOOKS, NEW AND SECOND-HAND.

Works on Crustacea, including Milne-Edwards' 'Histoire;' Desmarets' 'Considérations;' Roux, 'Crust. de la Méditerranée;' 'Crustacea of the Fauna Japonica,' etc.; on Zoology, the 'Historia de Chili;' 'Journal de Conchyliologie,' by Crosse; Bernardi's 'Monog. des Galathées,' etc.; Supplement to Sowerby's 'Cones;' Deshayes' 'Coquilles Fossiles de Paris;' Sowerby's Thesaurus Conchyliorum, Pt. 1 to 22; Sowerby's 'Wild Flowers;' and new edition of Sowerby's 'English Botany.'

THESAURUS CONCHYLIORUM, 22 parts at 25_s._ each.

ILLUSTRATED INDEX OF BRITISH SHELLS, 700 Coloured Figures, with Names, Localities, and other information; by G. B. Sowerby, F.L.S., etc. Impl. cloth gilt, 30_s._ Labels, 6_d._

*** _Further particulars will be furnished. Sets made up to illustrate Formations, Classes, or Genera, and specimens forwarded on approval._