SYSTEMATIC INDEX. 



IVsrs. 



25. funiculus... p. 7, pi. V, f. 51, 52 



26. decussatus S3, 55 



27. Bamllius pi. VI, f. I, I 



28. asperrimus p. 8, f. 2 



29. elegans 3 



30. antiquus s 



31. Turtoni pi. VII, f. I 



32. carinatus pi. VI, f. 10, 13 



33. corneus 7, 9 



corneus, var 11, 12 



34. gjrimis pi. V, f. 12, 13 



35. minutus 18,24 



30. Babylonicus, var. antiquus?... p. 



127, pi. LVII, f. 19 



37. carinatus, var. antiquus 20 



38. Boothii 12 



Genus 14. 

 Pleurotoma Lamarck. 



1. gracilis p. 7, pi. V, f. 10, 17 



2. 6inuosa p. s, f. 4u 



3. reticulata 29, 30 



4. Trevellianura... p. 127, pi. LVII, 



f. 1 



5. decussatum p. 127 



Genus 15. 



Ceritiuvm Bruguiere. 



Sub-Division 1 .. — Volutions dextral. 



1. costatum p. 9, pi. V, f. 26 



2. minutum 27 



3. tuberculatum p. f) 



4. fuscatum f. 67 



5. reticulatum 63 



6. minutissimum p. 9 



Sub-Division 2 With the volutions 



of the spire reversed. 



7. adversum f. 66 



Section II Phytiphaga. 



Genus 16. 



Turritella Lamarck. 



1. terebra p. 9, pi. VIII, f. 56 



Genus 17. 

 Phasianella Lamarck. 



1. pullus p. 9, pi. X, f. 42 



2. crassior p. 10, f. 43 



3. scripta 21 



Genus 18. 

 Lacuna. — Turton. 



1. retusa ... p. 128, pi. X, f. 52, 53 



2. pallidula p. 25, pi. XIII, 



f. 17, 19 



3. vincta p. 9, pi. \, f. n; 



4. quadrifasciata p. 16, I. 35 



5. bifasciata p. 10, f. II, 45 



6. cornea IT 



7. canalis p. 9, f. 48 



8. fasciata p. 10, f. 54 



9. Montagui... p. 128, pi. LVII, f. s 



Genus 19. 

 Rissoa Freminville. 



1. calatliisca ... p. 10, pi. IX, f. I 



2. turricula 1H 



:',. labiosa pi. VIII, f. 19 



I. obtusa pi. IX, f. 27, 28 



Rissoa. 



5. ninghami ... p. 10, pi IX, f. 29 



6. conifera 88 



7. sulcata 09 



8. fuscata 72 



9. costata p. 11, f. 74 



10. Candida 75 



11. lactea 77 



12. Bryereus 78 



L3. Zetlandica 79 



14. denticulata 80 



15. cimex pi. VIII, f. 21, 22 



16. marginata pi. IX, f. 23, 24 



17. pyramidilla 63 



18. Adamsi 20 



19. carinatula 67 



20. semicostata 1, 2 



21. parva 55, 56 



22. semistriata 3 



2.3. maculata p. 12, f. 5, 6 



24. interrupta 45 



25. punctura 43 



26. approxima 42 



27. reticulata 30 



28. arenaria 12 



29. subrufa 13 



30. ulva: 9, 14, 15, 41 



31. strigata 8 



32. disjuncta 7 



33. alba 16, 19 



34. ruber 17 



35. striata 22 



36. subumbilicata 44 



37. ventricosa 27, 59 



38. retiforma pi. VIII, f. 3, 23 



39. grapbica pi. IX, f. 



40. glabra p. 13, f. 



41. spiralis 



42. decussata 



43. discrepans 70, 



44. similis pi. VIII, f. 



45. crystallina pi. IX, f. 



46. vitrea 81 



47. virginea 82 



48. pallida pi. VIII, f. 24 



49. pulla 25 



50. Sandvicensis 20 



51. unifasciata 28 



52. fulgida 13 



53. elegans 13 



54. divisa 13 



55. marginata et No. 16 13 



56. tristriata p. 129 



57. gracilis 129 



Genus 20. 

 Pyramis Brown. 



1. subulatus p. 14, pi. IX, 



f. 64, 65 



2. politus 59, 60 



3. elegantissimus 61 



4. crenatus 53 



5. subarcuatus G2 



6. unicus 46 



7. indistinctus 47 



8. subtruncatus 49, 50 



9. nivosus 25, 26 



10. Candidas 31 



11. discors 32 



12. lovis 51, 52 



Pyramis. 



13. acutissimus p. L5, pi. I 



f. 



14. Lamarckii 



15. nitidissimus 



16. lacteus 



17. spirolinus 



18. vittatus pi. VIII, f. 



19. truncatus 



20. cingillus pi. IX, f. 



21. similimus 



22. trifasciatus ... p. 127, pi. VI 



f. 



Genus 21. 

 Margarita Leach. 



1. aurea p. 17, pi. X, f. 23 



2. carnea 36, 37 



3. margaritacea 28, 29 



4. olivacea 30, 31 



Genus 22. 

 Littorlna Ferussac. 



1. littorea... p. 15 and 128, pi. X, 



f. 1, 2, 3, 4, 5, 6, 7, 8, 9 



2. rudis 10, 11, 12, 13, 14, 25 



3. jugosa... p. 16 and 128, f. 15, 16 



4. tenebrosa 18, 19 



5. petraa 17 



6. labiata 20, 21 



7. ventricosa — 



8. dispar 22 



9. ziczac 26, 27 



11. Neritiforma p. 17 and 128, 



f. 24 



fabalis 38, 39 



striatals 33, 34 



Neritoides ... p. 25 and 128, pi. 

 XIII, f. 14, 15, 21, 22, 23 



sexatilis p. 128, pi. LVII, 



f. 21, 22 



Genus 23. 



Trochus Linnanis. 



Sub-Division 1 Umbilicated. 



1. Magus... p. 17, pi. XI, f. 12, 13 



2. umbilicatus p. 18, f. 9, 11 



3. cinerarius 5, 8 



cinerarias, var 10 



4. littoralis 1, 4 



5. perforatus ... pi. LVII, f. 9, 10 



6. tumidus pi. XI, f. 2, 3 



7. subcarinatus 30, 31 



Sub-Divison 2 Destitute of an 



umbilicus. 

 B. Zizyphinus... 16, 17, 18, 19, 21, 

 22, 21, 29 



9. discrepans p. 19, f. 20, 23 



Hi. papillosum 13, 14 



11. striatus 25, 26 



12. exiguns 27, 28 



13. crassus 6, 7 



14. Martini... p. 129, pi. LVII. f. 11 



Family II ScaIAMDES. 



Genus 24. 



Delphtkoidea Brown. 



Sub- Division 1. — Volutions dextral. 



1. unispirala p. 19, pi. VIII, 



f. 32, 33 



Delfhinoidea. 



2. dcpressa p. 20, pi. VIII, 



f. 35, 36 



3. serpuloidea 40, 41 



Sub- Division 2 Volutions sinis- 

 tral. 



4. resupinata 45, 47 



Genus 25. 

 Spira. — Brown. 



1. globosa p. 2o, pi. VIII, 



f. 34, 37 



2. nitidissima 42, 44 



3. coarctata 43, 52 



4. reticulata 38, 39 



5. bicolor 50, 51 



6. tubulata 46 



7. variegata 20 



Genus 26. 

 Plan aria Brown. 



1. pellucida... p. 20, pi. VIII, f. 53, 



54, 55 



2. alba 48, 49 



Genus 27. 

 Scalaria Lamarck. 



1. communis... p. 20, pi. VIII, f. 13 



2. clathratulus p. 21, f. 12 



3. Turtoni pi. LVII, f. 7 



Family III Plicacea. 



Genus 28. 

 Tornatella Lamarck. 



1. fasciata... p. 21, pi. VIII, f. 4, 5 



2. pellucida p. 129 



3. pusilla 129 



Genus 29. 



Jaminia Bruguiere. 



Sub-Division 1 Without teeth on 



the outer lip. 



1. plicata ... p. 21, pi. VIII, f. 10 



2. interstincta pi. IX, f. 10 



3. unidentata 34, 35 



4. longiuscula p. 22, pi. VIII, 



f . 8 



5. obtusa pi. IX, f. 38 



6. pullus 11 



7. alba pi. VIII, f. 18 



8. insculpta — 



'.'. bidentata 7 



10. scalaris p. 129 



11. plicatula 129 



12. Marions: 130 



13. Annie 130 



14. oblonga 130 



Sub-Division 2. — With teeth on the 



outer lip. 



15. denticulata... p. 22, pi. VIII, f. 6 



16. quinquedens 11 



Genus 30. 



Cominia Brown. 



1. hyaline p. 22, pi. VIII, f. 9 



Geuus 3 1 . 



IIaliotis Linnaeus. 



1. tuberculata p. 23, pi. XII, 



f. 2, 18 



