316 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [May 19, 



Table IX. (continued). 



131. Sigaretus canaliculatus. Sow 



132. Bulla Sowerbyi, Nyst 



133. utricula, Brocchi 



134. acuminata, Brug 



135. constricta?. Sow 



136. Limneus fabulum?, Al. Brong 



137. Planorbis rotundatus ?, Brong 



P. corneus ?, Drap. 



138. . depressus, Nyst 



139. Cancellaria elongata, Nyst 



140. quadrata, Sow 



141. evulsa. Sow. (Brander) 



142. gYamilaia., Nyst 



143. Turbinella pyruliformis, JVys^ 



144. Cordieria Delucii, Bosq. {Nyst) 



145. Fusus elongatus, Nyst 



146. multisulcatus, Nyst 



F. trilineatus, Sow. 



147. Burdigalensis, Bosq. (Baster.) 



148. - ' scalariformis, Nyst 



149. Deshayesii, DeKon 



150. erraticus, De Kon 



151. Koninckii, iVy5^ 



152. Waelii, Nyst 



F. regularis, I)e Kon. 



153. Staquiezii, Nyst 



F. scalaroides, De Kon. 



154. P5rrula decussata, Bosq 



P. nexilis, Nyst, non Desh. 



155. elegans, Lamk 



156. Pleurotoma turbida, Nyst {Brander) 



157. crenata, iVi/s^ .....* 



P. subdenticulata, Goldf. 



158. Waterkeynii, Nyst 



159. belgica, Goldf. 



160. Bosquetii, Nyst 



161. conoidea, Nyst {Brander) , 



162. Selysii, De Kon 



163. Dumontii, iVi/5f 



164. semi-colon?, Nyst {Sow.) 



165. acuticosta, Nyst 



166. costellaria, Duchast 



167. Morrenii, DeKon 



168. Koninckii, Nyst 



169. flexuosa, Goldf. 



P. acuminata, Nyst (non Sow.). 



Limburg Series. 



Upper. 



Rupel- 

 monde 

 clay. 



Bergh, 

 Nucula 

 loam. 



Middle 



Lower. 



