262 



Lamarck's Genera of Shells. 



Plate 3. Vol. 15. 



Fig. 



85. Meleagrina margaritifera. ex- 



terior and interior 



86. Pedum spondyloideum. do. do. 



87. Lima squamosa, do. do. 



88. Plagiostoma transversa. 



89. Pecten maximus. exterior and 



interior. 



90. Plicatula cristata. do. do. 



91. Spondylus gsederopus. exterior 



of one valve, a. b. interior 

 of right and left valve. 



92. Podopsis truncata. exterior and 



interior. (Encyelopedie. PI. 

 188. Figs. 6 and 7.) 



93. Gryphaeaangulata. 

 93*. Gryphsea cymbium. 



94. Ostrea edulis. exterior and inte- 



rior. 



95. Vulsella spongiarum. do. do. 



96. Placuna sella, exterior of one 



valve, a. interior of lower 

 valve, b. ditto upper. 



97. Anomiaephippium, lower valve. 



Fig. 



a. interior of ditto, b. inte- 

 rior of upper valve. 



98. Sphaerulitesfoliacea. {Encyelo- 



pedie. PI. 172. Fig. 7.) 



99. Radiolites rotularis. 



100. Calceola sandalina. 



101. Briostrites ineequilobus. (Sou- 



erby's Gen. of R. and F. 

 Shells.) 



102. Crania personata. exterior of 



upper valve, a. interior of 

 ditto, b. interior of lower 

 valve. 



103. Orbicula Norvegica. exterior 



and interior. 



104. Terebratula vitrea. front view of 



the valves united, a. interior 

 of larger valve, b. interior of 

 smaller ditto, shewing the ra- 

 mified processes for the sup- 

 port of the animal. 



105. Lingula anatina. exterior and 



interior. 



Plate 7. Vol. 15. 



Fig. 



106. Hyaleea tridentata. 



107. Balantium recurvum. 



108. Cleodoia pvramidata. (Ann. du. 



Mus. 15." PI. 2. No. 14.) 



109. Cymbulia Peronii. (Ann. du. 



Mus. 15. PI. 3. No. .) 



110. Chilonellushevis. 



111. Chiton squamosus. 



112. Patella granatina. 



113. Plcurobranchus Peronii. (Ann. 



du Mus. Tom. 5. PI. 18. Fig. 3. 

 111. Umbrella Indica. a. underside 

 of the shell. 



115. Parmophorus Australia. 



116. Emarginula tissura. 



117. Fissui jlla nimbosa. 



118. Pileopsis ungarica. 



119. Calyptrsea equestris. a. under 



side. 



120. Crepidulafornicata.a. underside. 



121. Ancylus lacustris. 



122. Bullosa aperta. 



123. Bulla lignaria. 

 121. Laplysia depilans. 



125. Dolnbella Rumphii a. concave 



side. 



126. Parmacella caliculata. under and 



upper side, 



Fig. 

 127. 

 128. 



129. 



130. 

 131. 

 132. 

 133. 

 134. 

 135. 



136. 

 137. 

 138. 

 139. 

 140. 

 141. 

 142. 

 143. 

 144. 

 145. 

 146. 

 147. 

 148. 

 149. 



Limax rufus. 1 



Testacella haliotidea. a. under 



side. 

 Vitrina pellucida. upper and 



under side. 

 Helix gigantea. 

 Carocolla accutissima. 

 Anastoma depressum. 

 Helicina neritella. 

 Pupa mumia. 

 Clausilia torticollis : the small 



figures below represent the 



two valves of the penultimate 



whorl. 

 Bulimus lwmastomus. 

 Achatina perdix. 

 Succinea amphibea. 

 Auricula Mida?. 

 Cyclostoma volvulus. 

 Planorbis corneus. 

 Physa fontinalis. 

 Lymncea stagnalis. 

 Melania truncata. 

 Melanopsis laevigata. 

 Pirena terebralis. 

 Valvata piscinalis. 

 Paludina vivipara. 

 Aropullaria Guyanensis. 



