XIV 



INDEX TO THE GENERA. 



Galeomnia, vi. 14, 15. 

 Gastrochsena, i. 14. 



Haliotis, XI. 7. 

 Helix (Zonites), xxii. 17-29. 

 Helix, xxiii. 1-29. 

 Hinniies, Pecten, IX. 1. 

 Hippothyris, ix. 17. 

 Hyalsea, x. 1. 



lanthina, Xii. 1-4. 

 Isocardia, v. 3. 



JefFreysia, xiv. 13-16. 



KeUia, vi. B-8. 



Lachesis, xviii. 6. 

 Lacuna, xii. 25-32. 

 Lamellaria, xvi. 23, 24. 

 Leda, viii. 6, 7. 

 Lepton, VI. 9-13. 

 Lima, vili. 22-24. 

 Limnx, xxii. 9-12. 

 LimiifEn, xxi. 1-11. 

 Liracpsis, vill. 14. 

 Littorina, xil. 12-24. 

 Lucina, v. 14-18. 

 Lucinopsis, iv. 9. 

 Lutraria, I v. 1-3. 

 Lyonsia, ii. 4. 



Mactra, in. 21-26. 

 Mangelia, xix. 4-26. 

 Margarita, xi. 21-24. 

 Marf/iiH'lla, Erato. 

 Megatliyris, Argiope. 

 Modiola, VII. 6-11. 

 Montacuta, vi. 1-3. 

 Murex, XVIII. 3, 4. 

 Mva, I. 19-20. 

 M'ytilus, VII. 18-21. 



Nassa, XIX. 1-3. 

 Natica, xvi. 13-19. 

 Neara, i. 26-28. 

 Neritina, xii. 5. 

 Nucula, vin. 1-5. 



Odostomia, xvii. 1-31. 

 Ostrea, viii. 17. 

 Otina, xvi. 25. 

 Ovula, XX. 2, 3. 



Paludina, xii. 8, 9. 

 Pandora, ll. 2, 3. 

 Panopeea, I. 21, 21*. 

 Patella, x. 18-21. 

 Pecten, IX. 1-16. 

 Pectunculus, viii. 13. 

 Petricola, i. 17. 

 Phasianella, xi. 27. 

 Philine, xx. 20-25. 

 Pholas, I. 8-11, 13. 

 Pholadidea, i. 12. 

 Physa, XXI. 12, 13. 

 Pileopsis, X. 28. 

 Pilidium, x. 24. 

 Pinna, vill. 16. 

 Pisidium, vi. 21-28. 

 Plnnorbis, xxi. 18-28. 

 Pleurobranchus, XX. 29. 

 Pleiiroloma, Mangelia. 

 Poromya, ll. 1, 1*, ix. 

 Propilidium, x. 25. 

 Psauimobia, in. 1-4. 

 Puncturella, xi. 3. 

 Pupa, XXIV. 5-16. 

 Pui'pura, xviii. 5. 



Recluzia, xvi. 20. 



Eissoa, XIII. 3-28 ; Xiv. 1-11. 



Saxica^a, i. 15, 16. 



Scalaria, xv. 16-20. 



Scaphander, xx. 26, 27. 



Scrobicularia, ill. 18. 



Scissurella, xi. 26. 



Segmentina, Planorbis, XXI. 27, 28, 



Skenea, Xiv. 19-22. 



Solen, II. 12-15. 



Solecnrtus, II. 17, 18. 



Spirialis, x. 2-4. 



Spinda, xx. 31. 



Stylifer, xv. 21. 



Succinea, xxii. 1-3. 



Syudosniya, n. 19-22. 



Sphai-niii. i. 25. 



