X 
SYSTEMATIC INDEX. 
Helix. 
41. margaritacea... p. 54, pi. XVII, 
f. 54, 55, 56 
Order III.— GASTEROPODA. 
Division I Pneumobranchl®. 
Family I. — LimaciNjE. 
Genus 1 . 
ViTRiNA. — Drapernaud. 
1 . pellucida p. 54, pi. XVII, 
f. 6 , 7, 12 
Genus 2. 
Testacella Cuvier. 
1 . Haliotoidea... p. 54, pi. XVIII,* 
f. 15, 16 
animal ... p. 131, pi. LIX, f. 17 
Genus 3. 
Arion Ferussac. 
Section 1 . — Shell oval, and concave. 
1. liortensis p. 55 
Section 2. — Shell, if any, nearly cir- 
cular, spongy, and rudimentary. 
2. empiricorum 55 
Genus 4. 
Limax Linnaeus. 
Section I. 
1 . maximus p. 55, pi. XVIlI,* 
f. 17 
animal ... p. 131, pi. LVIII, f. 3 
variety pi. LIX, f. 1 
2. arboreus, animal pi. LIX, 
f. 10 , 11 , 12 
vaiiety 9, 13 
young pi. LVIII, f. 1 , 2 
Section 2. 
3. flavus... p. 55, pi. XVIII,* f. 18 
animal... p. 131, pi. LIX, f. 7, 8 
Section 3. 
4. carinatus p. 55, pi. XVIII,* 
f. 19 
5. agrestis p. 56, f. 20 
animal ... p. 131, pi. LIX, f. 16 
Limax. 
Section 4. 
6. gagates... p. 56, pi. XVIII,* f. 21 
animal... p. 131, pi. LVIII, f. 4, 5 
varieties... pi. LIX, f. 3, 4, 5, 6 
f. 2, var. b of Ferussac. 
7. Sowerbii, animal p. 131, pi. 
LVIII, f. 6, and pi. LIX, f. 14 
8. ater, animal, young?... pi. LIX, 
f. 15 
Division II Hydrobranchi®:. 
Family IL— Bullacea. 
Genus 5. 
Bulla. — Linnaeus. 
Sub - Genus 1 . 
Bulla Linnceus. 
1. lignaria...p.505pl.XIX,f.23,24 
2. alba pi. VIII, f. 3 
3. zonata p. 56 
4. Hydatis...p.57,pl.XIX,f.29, 30 
5. producta 15, 16 
6. striata 41, 42 
7. denticulata 25, 26 
8. emarginata 21, 22 
9. Crancbii p. 57 
10. punctata pi. LVII, f. 5, 6 
Sub -Genus 2. 
Bull AHA. — Lamarck. 
1. aperta pi. II, f. 5, 7 
2. Catina pi. XIX, f. 33, 34 
3. catinulifera p. 131 
Genus 6. 
Utriculus Brown. 
Section 1. 
1. plicatus... p. 58, pi. XIX, f. 1, 2 
2. discors 3, 4 
3. obtuBus 5, 6 
4. lima 39, 40 
Section 2. 
5. minutus 7, 8 
6. candidus p. 59, f. 13, 14 
7. pellucidus 10, 11 
8. hyalina p. 59 
Genus 7. 
Halia. — Risso. 
1. Flemingiana p. 132 
Genus 8. 
Akera. — Brown. 
1. flexilis ... p. 59, pi. XIX, f. 31, 32 
Family III. — Ancylidje. 
Genus 9. 
Ancylus. — Muller. 
Section 1. — Animals sinistral. 
1. fluviatilis p. 59, pi. XII, 
f. 1, 4, 6 
Section 2. — Animals dextral. 
2. lacustris p. 60, f. 3, 5, 7 
Family IV — Calyptracea. 
Genus 10. 
Calyptr^a Lamarck. 
1. Sinense... p. 60, pi. XX, f. 16, 18 
Genus 11. 
PiLEOPSis. — Lamarck. 
1. ungarica... p. 60, pi. XX, f. 19, 20 
Genus 12. 
Fissurella Bruguiere. 
1. Grseca... p. 61, pi. XII, f. 10, 11 
Genus 13. 
SiPHO. — Brown. 
Section 1. — Cavity with a funnel. 
1. Noachina p. 61, pi. XII, 
f. 14, 15, 16 
Section 2 . — Destitute of a funnel. 
2. radiata 20 
Genus 14. 
Emarginula Lamarck. 
1. fissura... p. 62, pi. XII, f. 17, 19 
2. rosea 21, 22 
Genus 15. 
ScissoRELLA D’Orbigny. 
1. crispata p. 62 
Family V Semiphyllidiacea. 
Genus 16. 
Pleurobranchus. — Cuvier. 
1. plumula... p. 62, pi. II, f. 14, 15 
2. membranacea 9 
Family VI Phyllidiacea. 
Genus 17. 
Patella Linnaeus. 
1. vulgata p. 63, pi. XX, f. 5, 
12, 14, 16, 17 
vulgata, var. 1 ... pi. XX, f. 17 
communis, var. 2 16 
albumana, var. 3 12, 14 
conica, var. 4 ,5 
2. fulva... p. 64 and 132, pi. LVII, 
f. 3, 4 
3. pellucida ... p. 64, pi. XX, f. 2, 
3, 7, 8, 11 
4. caerulea 13 
Genus 18. 
Lottia Gray. 
1. testudinalis p. 64, pi. XX, 
f. 9, 10 
2. virginea 1, 4, g 
Genus 19. 
Chiton. — Linnaeus. 
Section 1 — Marginal ligament 
spinous. 
1. fascicularis p. 65, pi. XXI, 
f. 5, 8 
2. discrepans 20 
3. crinitus 7 
Section 2 . — Marginal ligament 
papillose. 
4. 
laevis 
5. 
acbatinus 
.... 4, 12, 13. 15 
6. 
ruber 
7. 
marginatus 
8. 
cinereus 
9. 
fuscatus 
10. 
Albus 
11. 
Asellus 
12. 
Aselloides 
Section 3 . — Marginal ligament 
smooth. 
13. laevigatus p. 67, f. 1, 16 
Section 4 . — Doubtful species. 
14. discors p. 67 
15. quinquevalvis f. 22 
CLASS SECOND. 
CONCHIFERA; OR BIVALVES. 
Order I. — MONOMYARIA. 
Sub-Division 1. 
Family I Brachiopoda. 
Genus 1. 
Terebratdla. — Bruguiere. 
1. cranium p. 68, pi. XXII, 
f. 10, 11, 12 
2. aurita 13, 14, 15 
3. psittacea ... pi. XLVI, f. 2, 3, 4 
Genus 2. 
Orbic ul a. — Cuvier. 
1. Norvegica p. 69, pi. XX, 
f. 21, 22, and pi. XXII, f. 9 
Family II Ostracea. 
Genus 3. 
Anomia. — Linnaeus. 
1. Ephippium ... p. 69, pi. XXII, 
f. 1, 4 
Anomia. 
2. 
undulata .. 
.... p. 69, pi. XXII, 
f. 2, 3 
3. 
squamula . 
4. 
aculeata ... 
5. 
cylindrica . 
7, 8 
6. 
electrica ... 
pi. XLVI, f. 5 
7. 
cepa 
. pi. XXXIX, f. 12 
8. 
punctata .. 
9. 
fornicata . 
Anomia. 
10. striolata p. 70 
11. tubularis 70 
Genus 4. 
OsTREA. — Linnaeus. 
1. edulis... p. 71, pi. XXIII, f. 19, 
and pi. XXX,* f. 6, 7 
2. parasitica... pi. XXIII, f. 20, 21 
