EXPLANATION OF THE PLATICS. 



163 



77. Buciifium Arcularla. 



78. Lapillii.t. 



79. umhdKm. 



80. glabralum. 



81. maculalum. 



82. Doliiim. 



83. Harpa. 



84. cornutumjun. 



Plate 7. 



85. Strombus pugilis. 



86. Lambis. 



87. Fusus. 



88. Ml/rex Haustelliim. 



a. the superior canal of Adan- 

 son, called the tail, caiida, 

 by Linnaeus. 



89. Murex Colus. 

 90. Tidipa. 



91. jSIurex hahylonius. 



a. the inferior canal of Adan- 

 son, the cleft lubro Jisso 

 of Linnaeus. 



92. Murex Aluco. 



93. Trochus niloticus. 



94. perspectlvus. 



a. the upper side. 



95. Trochus Labia. 



96. Phusianella? 



97. dolabratus. 



Plate 8. 



98. Turbo Delphinus. 



99. Cochlus. 



100. scalaris. 



101. f/r«. 



102. Terebra. 



103. bidens. 



104. muricatus. 



105. Helix Cornu arietis. 



106. Turbo Juniperi magnified. 



a. the natural size. 



107. Helix janthina. 



108. oblonga. 



109. stag7iali.i. 



110. Pomalia. 



111. haliotoidea, 



112. ampullacea. 



113. sinuata. 



114. Episti/Uum. 



115. cornea. 



116. Gualteriana. 



117. Amarula. 



Plate 9. 



118. Nerita Canrena. 



a. Nerita Canrena, with the 

 animal. 



119. Nerita polita. 



a. Nerita polita, with the ani- 

 mal. 



120. Haliotis imperforata. 

 121. tuberculata. 



122. The underside of Patella eques- 



tris. 



123. Patella grcEca. 



124. fornicata. 



125. utigarica. 



126. testudinaria. 



127. Fissura. 



128. saccharina, 



129. Dentalium striatulum. 



130. Serpula Penis. 



131. anguina. 



132. lunibricalis. 



133. glomerdla. 



134. Spirorbis. 



Plate 10. 



1. The under side of the animal of 

 Valuta Olla. 

 a. the trunk, with the mouth 

 at the extremity. 



