ALPHABETICAL INDEX TO VOL. IV. 



Plate. Fig, 



AlBIDA Patella - -" - 129 



alveolata, Sabella - - - 139 



anatinus, Mytilus - - - - -113 



antiquatus, Solen - - - 114 



antiquus, Murex • 119 



aperta, Bulla - • - - - 120 1 



arbustorum, Helix - - - 136 



borealis, Venus - - - - - 130 



cancellata, Venus - - - - - 115 



Candida, Pholas - - - - - 132 



carinatus, Murex - - * IG o 



cor, Chama - - • - .. „ jj^ 

 cylindrica, Bulla - JZO z 



dactylus, Pholas - - - . -11S 



duplicatus, Turbo - - - - - 112 



cdule, Cardium - - 124 1 

 edulis, Mytilus ----- 128 z 



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 . . - - 12a 



papillosus, Trochus - - - 127 

 patula, Bulla ..,.-. 143 



