ALPHABETICAL INDEX TO VOL. IV. 



Plate. Fig 



AlBIDA Patella - - - -129 



alveolata, Sabella - - - - - *39 



anatinus, Mytilus - - - JI 3 



antiquatus, Solen - - - - 114 



antiquus, Murex • 1*9 



aperta, Bulla - - - - - izo » 



arbustorum, Helix - - - -136 



borealis, Venus . - - - 130 



cancellata, Venus « - - - -115 



Candida, Pholas - - - - - 132 



carinatus, Murex - - 109 



cor, Chama - - - - 134 

 cylindrica, Bulla - 120 a 



dactylus, Pholas - - - - -118 



duplicatus, Turbo - - - - -112 



edule, Cardium - - 124 * 



edulis, Mytilus - - 128 1 



glauca, Mactra - - - - -125 



glycymeris, Mya - - - - 142 



hians, Mactra - 140 



hortensis, Helix - - - - -131 



inaequistriata, Tellina * 123 



Jacobsea, Ostrea - - - - 137 



lactea, Area - - - - -135 



lineata, Ostrea - - - - -116 



marginatus, Solen - - - - no 



nitida, Nerita - - - - 144 



ovata, Mya ----- 122 



papillosus, Trochus - 127 



patula, Bulla - - - - *43 



