No. 75.] 



39 



175, 176. Fossil TEETH OF Ichthyosaurus. From the Blue Lias of 

 Lyme, Dorset, England. 



177. Ammonites obtusus. From the Lias, England. 



178. Ammonites nodosus ? Froin the Lias, England, 



179. 180. Ammonites. Matlock, England. 



181. Ammonite. From the Lias, England. 



182. Ammonite. From the Lias, England. 



183. Ammonite. From the Lias, England. 



184. Ammonite. From Whitby, England. 



185. 186. Gryphjea incurva. Clifton, Somerset, England. 



187. Gryph^a colubiba. Beds of the Tivcrlane. 



188. Ammonite. From Oolite, England. 



189. Gryph^a ? 13 specimens. Lias ? England. 



190. Shark's tooth. From the Oolite, England. 



191. 192. Terebratula. From the Oolite, England. 



193. IcHTiiYODORULiTE, (mineralized by sulpharet of iron.) From the 



Lias, England. ' 



194. Shark's tooth, imbedded in chalk. From the cretaceous for- 



mation, England, 



195. Turrelites costatus. Chalk marl, England. 



196. Belemnites mucronatus. Cretaceous formation, Yorkshire, Eng. 



197. ExoGYRA cosTATA. GrcoH sand, New-Jersey. 



198. 199, 200. GRYPHiEA mutabilis. Green sand, New-Jersey. 



201. Galerites. From the cretaceous formation, Yorkshire, England. 



202. Ananchytes ovatus. From the cretaceous formation, Yorkshire, 



England. 



203. ScuTELLA. From the cretaceous formation, England. 



204. "MuREx (Fusus) coNTRARius. (Soworby.) Given to mc by Prof. 



Sedgwick, at the Woodwardian Museum, Cambridge, March 

 6th, 1837. H. C. De Rham Jr." From the Red crag, Eng. 



205. Fusus, covered with Balan^. From the Red crag, England. 



206. Fossil wood. From Alabama. 



207. Petrified wood. From near Utica. 



208. Nautilus truncatus. Lias, England. 



209. Cast of Pleurotomaria. Lias, England. 



210. 211. Casts of a univalve. Lias, England. 



