PLATES. 



OSTRACE/E. rudistes. lingulace^e, etc. 



Fig. 84.* Catillus Cuvieri, an im- 

 pression of the whole shell. 



a. b.* fragments of the hinge. 



85. Ostrea folium. 



a. b. the two hinges : this figure 

 shews the impression of the 

 wood to which the shell has 

 been attached. 



a. b. the two hinges. 



86. Gryphcca arcuata. 



87. P lacuna papyracea. 



88. Three of the pearls found 

 in the Placuna sella. 



89. Vulsella ovata. 



90. Anomia ephippium, with the 

 two operculum. 



a. b. the two hinges. 



91. * Crania Parisiensis. 



a. supposed to be the smaller 

 valves of the Crania ad- 

 hering to a piece of coral. 



Fig. 92. Radiolites turbinata. 



93. * Sphcerulites foliacea. 

 a. the smaller valve. 



94. Calceola sandalina. 



a. the largest valve separated. 



95. Biros trites inequiloba. 



96. * Diane ho ra striata. 



97. Supposed to be a valve of 

 the Orbicula. 



a. inner view of ditto. 



98. Tenebratula den fata. 



a. b. inner views of each 

 valve. 



99. Lingula anatina. 



a. inner view of the opposite 



valve. 



100. * Magas pumilus. 

 #.* profde of ditto. 



MULTIVALYES, ETC. 



Fig. 101.* Spirifer oblatus . 



a. one valve taken away to 

 shew the appendages of the 

 hinge. 



102. * Axinus angulatus. 



103. * Pentamerus loevis. 



104. * — ay lesfordii . 



105. Chiton marginatus. 

 a. inner view of ditto. 



Fig. 106. Chitonellus striatus. 

 a. profile of ditto. 



107. Balanus stalactiferus. 



108. Balanus with an oper- 

 culum. 



109. An operculum of a Balanus 

 separated. 



110. Balanus perforatus. 



