INDEX. 
Mariae, 69. 
marsupialis, 36. 
Martiniana, 54. 
maxiUata, 32. 
maxima, 19, 34. 
Meadi, 84. 
Mediterraneum, 118. 
megatrema, 56. 
Megathyris, 112. 
Megerlia, 102. 
Menardi, 94. 
millepunctata, 100. 
microscopica, 53. 
minima, 93. 
minor, 21, 32. 
monstrosa, 103. 
Montolearensis, 20. 
Montoniana, 28. 
Moreaua, 38, 94. 
Moreanum, 121. 
Moorei, 72, 123.” 
Morierei, 39. 
Morrisia, 107. 
multicostata, 61. 
multistriata, 52. 
Munsterii, 43. 
Murchisoni, 22. 
mutica, 41. 
nana, 69, 106. 
Natalensis, 110. 
iiavicula, 76. 
Neapolitana, 111. 
Neocomiensis, 84, 94. 
Nerviensis, 23. 
nucleata, 40, 69. 
numismalis, 67, 68, 
70. 
obesa, 26. 
oblita, 103. 
oblonga, 80. 
oboliiia, 78. 
obovata, 64. 
obsoleta, 58. 
oljtusa, 24. 
omalogaster, 34. 
orbiculata, 31. 
orbicularis, 76, 81. 
ornata, 55. 
ornithocephala, 64, 65. 
Ortbis, 107, 112. 
l-'7 
ortbiformis, 100. 
ovalis, 23, 30. 
ovata, 21, 105. 
ovoidea, 33. 
ovoides, 26, 34. 
pala, 75. 
palmetta, 38. 
Palissii, 97. 
papillata, 119. 
papilio, 20. 
Parisiensis, 92. 
Parracena, 56. 
parva, 25. 
parvula, 25. 
Patagonica, 60. 
pbaseolina, 24. 
Pbillipsii, 33. 
pectinata, 83, 93. 
pectiniformis, 96. 
pectita, 93, 96. 
pectoralis, 63. 
pectunculoides, 95. 
pectunculus, 104. 
Pedemontaiia, 19. 
pentagona, 67. 
pentagonalis, 44, 53. 
pentahedra, 69, 73. 
pentaugulata, 105. 
pera, 114. 
perforans, 19. 
perovalis, 27, 28, 30, 
32, 33, 34. 
picta, 59. 
pileus, 41. 
procerrima, 85. 
pisum, 110. 
plana, 69. 
plebeia, 21. 
plica, 45. 
plicata, 37, 91, 95. 
prEcmarginata, 76. 
prisca, 120. 
prominula, 82. 
propinqua, 80. 
pseudo-jurensis, 62. 
pubescens, 49. 
pulcbella, 97, 104. 
pumilum, 119. 
pumila, 99. 
pumilus, 120. 
punctata, 35, 100. 
Puscheana, 80. 
pusilla, 91, 115. 
praelonga, 28. 
pygmaea, 115. 
Pygope, 41. 
quadrata, 81. 
quadricostata, 42. 
quadrifida, 67. 
quadriplecta, 42. 
Qualenii, 45. 
quinquecostata, 61. 
radians, 119. 
radiata, 119. 
recurva, 58, 96. 
recurvirostra, 119. 
reflexa, 40. 
Rebmanni, 68. 
Repeliniana, 30. 
resupinata, 72, 75,107. 
reticularis, 39. 
reticulata, 39, 80. 
retusa, 49. 
revoluta, 25. 
rhomboidalis, 21. 
Rbyncbora, 83. 
Ricbardiana, 39. 
Roemeri, 28. 
rigida, 55. 
Robertoni, 22. 
Roissyi, 24. 
rosea, 101. 
Royeriana, 64. 
rubella, 59, 90. 
rubicunda, 89. 
rubra, 89, 109. 
rugosum, 121. 
rugulosa, 106. 
Ruppellensis, 72. 
rustica, 23, 24. 
rusticum, 122. 
Sacculus, 46. 
salinaria, 43. 
sanguinea, 89, 90. 
sanguinolenta, 90. 
Santonensis, 56. 
Sartbacensis, 66. 
Sayi, 91. 
scabra, 53. 
Scatoniana, 76. 
