176 THE HALL OF SHELLS. 
Meduse, 47, 57, Chap. VII. 
Melanospermee, 75. 
Mermaid’s cradle, 93, 97. 
Mermaid’s lace, 79. 
Microscopic shells, Chap. LV. 
Murex brandis, 28. 
Murex palma-rosa, 29. 
Murex princeps, 30. 
Murex radix, 29. 
Murex tinuispina, 29. 
Murex tribulus, 29. 
Murex trunculus, 28. 
Murexes, Chap. III, 27. 
Razor fishes, 22, Chap. XVI, 164. 
Rhodospermew, 75. 
Salpee, 45. 
Sand dollar, Chap. XIII. 
Sapphirina ovatolanceolata, 45. 
Sargasso Sea, 76. 
Sargassum bacciferum, 76. 
Sealaria, 45. 
Scallop, Chap. IT, 18, 14, 15. 
Scheveningen shells, Chap. XII. 
Sea fan, Chap. XV. 
Sea slugs, 166. 
Sea snails, 22. 
Nautilus, 84, 86, Chap. XI. Sea urchin, Chap. XIII. 
Serpula, 22. 
Siphonida, 139. 
Solaster popposus, 111. 
Solen, 138. 
Snails, 163, 164. 
Starfish, 8, Chap. XIIL 
Strombus gigas, 157. 
Oliva biplicata, 149. 
Oliva scripta, Chap. XVII 
Olivella, 146. 
Olives, Chap. X VIII. 
Operculum, 154. 
Ovulum ovum, 171. 
Ovulum volva, 171. 
Oyster, 8, Chap. VIII. Tradacna gigas, 95. 
Triton tritonis, 40. 
Triton variegatus, 40. 
Tritonia, 39. 
Tritonia arborescens, 165. 
Tritonia, 166. 
Trochus, 155. 
Patella, Chap. II. 
Patella vulgatus, 22. 
Pearls, Chap. VIII. 
Pecten, Chap. I, 13, 14, 15. 
Pecten Jacobzeus, 22. 
Phalos, 141. Tubipora musica, 130. 
Phasianella, 151. : 
Physalia, 54. Unio Hyria, 63. 
Pinna, 140. 
Pinna noblis, 64. Venus Californiensis, 94. 
Portuguese man-of-war, Chap. VII. | Venus mercenaria, 94. 
Purpuras, Chap. ILI. 
; Worm cases, 45. 
THE END 
