41 



175, 176. Fossil teeth of Ichthyosaurus. From the Blue Lias of 

 Lyme, Dorset, England. 



177. Ammonites obtusus. From the Lias, England. 



178. Ammonites nodosus ? From 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. 



1S5, 186. GRYPHiEA incurva. Clifton, Somerset, England. 

 187. Gryph^ea columba. Beds of the Tiverlane. 



185. Ammonite. From Oolite, England. 



189. Gryph^ea ? (13 specimens.) Lias? England. 



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



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



193. Ichthyodorulite, (mineralized by sulphuret 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. Green sand, New-Jersey. 



198. 199, 200. Gryph^ea 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. (Sowerby.) Given to me 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 Balance. 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. 



